Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on November 30, -0001.
As of Monday, December 17th, 2018 this Executive Order has not been overturned or superceeded.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-228
  • Executive Order 228 / D228
  • ARB # D-228
  • Executive Order No: D-228
  • C.A.R.B. No. D-228
  • Resolution D-228
For Free CARB Executive Order Status verification, email an image of the device Executive Order label as well as the Year/Make/Model and Test Group # of the vehicle to [email protected]

Download: Executive Order D-228 PDF

D-228 Document:



                                                     (Page 1 of 2)

                           State of California
                           AIR RESOURCES BOARD

                          EXECUTIVE ORDER D—228
                Relating to Exemptions Under Section 27156
                           of the Vehicle Code

                   AUTOTHORITY PERFORMANCE ENGINEERING
                             PERFORMANCE CHIP

Pursuant to the authority vested in the Air Resources Board ("ARB") by
Section 27156 of the Vehicle Code; and

Pursuant to the authority vested in the undersigned by Sections 39515 and
39516 of the Health and Safety Code and Executive Order &—45—5;

IT IS QORDERED AND RESOLVED: That the installation of the performance chip
manufactured by AutoThority Performance Engineering ("performance chip") has
been found not to reduce the effectiveness of required motor vehicle
pollution control devices and, therefore, is exempt from the prohibitions of
Section 27156 of the Vehicle Code for those applications listed in Exhibit
A, which is attached hereto and incorporated herein.

This Executive Order is valid provided that installation instructions for
this performance chip will not recommend tuning the vehicle to
specifications different from those submitted by the device manufacturer.

Changes made to the design or operating conditions of the device, as
exempted by the ARB, that adversely affect the performance of a vehicle‘s
pollution control system shall invalidate this Executive Order.

Marketing of this device using an identification other than that shown in
this Executive Order or marketing of this device for an application other
than those listed in this Executive Order shall be prohibited unless prior
approval is obtained from the Air Resources Board.  Exemption of a kit shall
not be construed as an exemption to sell, offer for sale, or advertise any
component of a kit as an individual device.

This Executive Order does not constitute any opinion as to the effect the
use of this device may have on any warranty either expressed or implied by
the vehicle manufacturer.

This Executive Order is granted based on results from emissions tests
conducted in accordance with Cold—Start CVS—75 Federal Test Procedure.
However, the ARB finds that reasonable grounds exist to believe that use of
the performance chip may adversely affect emissions of motor vehicles when
operating under conditions outside the parameters of the previously
prescribed test procedures. Accordingly, the ARB reserves the right to
conduct additional emission tests, in the future, as such tests are
developed, that will more adequately measure emissions from all cycle
phases. If such test results demonstrate that the performance chip
adversely affects emissions during off—cycle conditions (defined as those
conditions which are beyond the parameters of the Cold—Start CVS—75 Federal
Test Procedure), this Executive Order shall be effectively rescinded as of
the date the test results are validated. Further, if such test results or


    AUTOTHORITY PERFORMANCE ENGINEERING             EXECUTIVE ORDER D—228
                                                    (Page 2 of 2)




    other evidence provides the ARB with reason to suspect that the performance
    chip will affect the durability of the emission control system,
    AutoThority Performance Engingeering shall be required to submit durability
    data to show that the durability of the vehicle emission control system is
    not, in fact, affected and/or that the add—on or modified part demonstrates
    adequate durability.

    In addition to the foregoing, the ARB reserves the right in the future to
    review this Executive Order and the exemption provided herein to assure that
    the exempted add—on or modified part continues to meet the standards and
    procedures of Title 13, California Code of Regulations, Section 2222, et
    seq.

    THIS EXECUTIVE ORDER DOES NOT CONSTITUTE A CERTIFICATION, ACCREDITATION,
    APPROVAL, OR ANY OTHER TYPE OF ENDORSEMENT BY THE AIR RESOURCES BOARD OF ANY
    CLAIMS OF THE APPLICANT CONCERNING ANTI—POLLUTION BENEFITS OR ANY ALLEGED
    BENEFITS OF AUTOTHORITY PERFORMANCE ENGINEERING‘S PERFORMANCE CHIP.

    No claim of any kind, such as "Approved by the Air Resources Board" may be
    made with respect to the action taken herein in any advertising or other
    oral or written communication.

    Section 17500 of the Business and Professions Code makes untrue or
    misleading advertising unlawful, and Section 17534 makes violation
    punishable as a misdemeanor.

    Section 43644 of the Health and Safety Code provides as follows:

         "43644,   (a)   No person shall install, sell, offer for sale, or
         advertise, or, except in an application to the state board for
         certification of a device, represent, any device as a motor vehicle
         pollution control device for use on any used motor vehicle unless that
         device has been certified by the state board. No person shall sell,
         offer for sale, advertise, or represent any motor vehicle pollution
         control device as a certified device which, in fact, is not a certified
         device. Any violation of this subdivision is a misdemeanor."

    Any apparent violation of the conditions of this Executive Order may result
    in its rescission or submission to the Attorney General of California for
    such action as he deems advisable.
                                              _7*~
.   Executed at El Monte, California, this As     day of July, 1991.




                                            R. B.  Summerfield
                                            Assistant Division Chief
                                            Mobile Source Division


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                     State of California
                     ALR RESOURCES BOARD




EVALUATION OF AUTOTHORITY PERFORMANCE ENGINEERING‘S PERFORMANCE
   CHIP FOR EXEMPTION FROM THE PROHIBITIONS OF VEHICLE CODE
  SECTION 27156 IN ACCORDANCE WITH SECTION 2222, TITLE 13, OF
               THE CALIFORNIA CODE OF REGULATIONS




                           July 1991


                           State of California
                           AIR RESOURCES BOARD




     EVALUATION OF AUTOTHORITY PERFORMANCE ENGINEERING‘S PERFORMANCE
        CHIP FOR EXEMPTICN FROM THE PROHIBITIONS OF VEKHICLE CODE
       SECTION 27156 IN ACCORDANCE WITH SECTION 2222, TITLE 13, OF
                    THE CALIFORNIA CODE OF REGULATIONS




                                    by
                         Mobile Source Division
                           State of California
                           Air Resources Board
                           $528 Telstar Avenue
                         E1 Monte, CA 91731—2990




(This report has been reviewed by the staff of the California Air Resources
Board and approved for publication. Approval does not signify that the
contents necessarily reflect the views and policies of the Air Resources
Board, nor does the mention of trade names or commercial products constitute
endorsement or recommendation for use.)


                                    SUMMARY


    AutoThority Performance Engineering has applied for an exemption from

the prohibitions of Vehicle Code Section 27156 for their Performance

Chip for installation on those model/model year BMWs, Porsches, and

Volkswagens listed in Appendix A.    AutoThority has submitted a completed

application and all the required information, as well as exhaust emissions

test data performed at Environmental Research & Development, Corp. and

Milton Roy Company which show that the Performance Chip does not have any

adverse effect on the exhaust emissions of the affected vehicles.

     Based on the submitted information and the results of the emissions

tests performed at Environmental Research & Development, Corp. and Milton

Roy Company, the staff concludes that the installation of AutoThority

Performance Chip will not adversely affect exhaust emissions on the

specified vehicles.

     The staff recommends AutoThority Performance Engineering be granted an

exemption as requested and that Executive Order D—228 be issued.


                                                        Page Number


SUMMARY                                                        i

CONTENTS .                                                    11

1.           INTRODUCTION                                      1

II.          CONCLUSION                                        1

III.         RECOMMENDATION                                    1

IV.          PERFORMANCE CHIP DESCRIPTION                      1

V.           DISCUSSION OF THE PERFORMANCE CHIP                2


             APPENDIX A — Model/model year BMWS, Porsches, and Volkswagens

                            compatible with the performance chip

             APPENDIX B — Installation instructions




                                         11


(        EVALUATION OF AUTOTHORITY PERFORMANCE ENGINEERING‘S PERFORMANCE CHIP FOR
        EXEMPTION FROM THE PROHIBITIONS OF VEHICLE CODE SECTION 27156 IN ACCORDANCE
            WITH SECTION 2222, TITLE 13, OF THE CALIFORNIA CODE OF REGULATIONS



       I.     N      TION
             AutoThority Performance Engineering of 3763 Pickett Rd., Fairfax, VA

       22031, has applied for an exemption from the prohibitions of Vehicle Code

       Section 27156 for their Performance Chip for installation on those

       model/model year BMWs, Porsches, and Volkswagens listed in Appendix A.

             AutoThority has submitted a completed application and all the required

       information, as well as exhaust emissions test data performed at

       Environmental Research & Development, Corp. on a 1988 Porsche 928$4 and at

       Milton Roy Company on a 1986 BMW 325e.                       |
       II.   CONCLUSIONS
             Based on the submitted information and the results from exhaust
zons




       emissions test performed at Environmental Research & Development Corp.

       and Milton Roy Company, the staff concludes that AutoThority‘s performance

       chips will not adversely affect exhaust emissions from vehicles for which

       the exemption is requested.

       III. RECOMMENDATION

             The staff recommends that AutoThority Performance Engineering be

       granted an exemption as requested and that Executive Order D—228 be issued.

       IV.   CHIP
             Many computer controlled vehicles are equipped with an electronic

        control unit (ECU) which is programmed using a prom.   Signals detected by

        the vehicle‘s sensors are fed directly into the ECU where they are analyzed

        and compared to the operational data programmed inside the prom.    The prom
                                            —1—


sends out appropriate adjustments in the engine operation in response to any

changing conditions.    For example, a prom will adjust timing and fue!

delivery when a vehicle is subjected to additional load.        Thus, by

modifying data in the prom, spark timing, fuel delivery and rev—limit can be

ad justed.

     AutoThority Performance Chip modifies the ignition advances, fuel

curves and rev—limit of the original equipment manufacturer‘s (OEM) prom

under full throttle and part—throttle operation.        Therefore, the performance

chip monitors and modifies the vehicle‘s operation, both under closed—loop

and open—loop modes.    AutoThority claims these modifications increase torque

and horsepower throughout the whole RPM range.        By fine tuning the part—

throttle operation, throttle response and driveability, under normal day—to—

day driving conditions, are improved.     The manufacturer also claims that

modifications to the full—throttle operation offer end—users with max imum

vehicle performance and acceleration.     AutoThority recommends use of

 "premium fuel only" for optimum performance.         Installation instructions,

 included with the chip, shows the installer how to properly install the

chip.    Appendix B shows the installation instructions.

V.      DISCUSSIONOFTHEPERFORMANCECHIP
        Two test vehicles were used to evaluate the effect of the Performance

Chip on tailpipe emissions.     The first vehicle, a 1988 Porsche 928S4, was

 selected because it showed the greatest increase in rear wheel horsepower

 due to its large engine displacement.        The second vehicle, a 1986 BMW 325e

was chosen due to its California popularity.         The test program consisted of

 one FTP CVS—75 (cold start) test on the test vehicles in the baseline

 configuration followed by another FTP CVS—75 test in the modified
                                       _2..


configuration.   The results of the exhaust emissions test performed at

Environmental Research & Development, Corp. and Milton Roy Company are shown

in Table 1.



                                       Table 1

                     Exhaust Emissions Test Results from
                 Environmental Research & Development, Corp.
                             On The Porsche 928S4
                             Ext       t    Emissi       (om/mi)

TestMode                     _HC_              _CO_         NOx
Baseline                     0 .408            3.711        0 .402
Device                       0 .400            3.568        0 .408

Difference            .     —0 .008           —0 .143       0.006



                     Exhaust Emissions Test Results from
                      Milton Roy Company On The BMW 325e
                             Ext           t Emissi      (qm/mi)

Mode                         _HG_               _CQ_        NQx
Baseline                     0 .240             5.122       1.217
Device                       0 .289             5.880       1.246

Difference                    0 .049            0 .758      0 .029

      The emissions test results at Environmental Research & Development,

 Corp. and Milton Roy Company indicate that exhaust emissions of the

 vehicles with the AutoThority Performance Chip installed are well below the

 allowable difference of .1 g/mi HC, 1.0 g/mi CO, and .1 g/mi NOx.     This

 demonstrates that the installation of the AutoThority Performance Chip on

 the applicable vehicles will not adversely affect the exhaust emissions.

      AutoThority submitted all the required information and fulfilled the

 requirements for an exemption.


APPENDIX A


 911 .020 .100 .20    ‘84 PO ‘H7 911 PERF. SOPFTWARE
 911 .020.200 .20     ‘88 TO (89 911 PERF. SOFTWARE
 $28 .020 .100 .20    ‘85 & ‘86 9285 12 VALVE PERF. SQFT
 928 .020 .200 .20    ‘87 TO ©‘90 928§%4 PERF. SOFPTWARE
 944 .020 .100 .20    ‘B3 ‘TO (85 944 PERF. CONVERSLON
 944 .020.1850 .20    EARLY ‘85 ONLY, W/PLUG IN CHIP
©944.020.200 .20      ‘Bs5/2 TO "87 944 PERF SOPTWARE
 944.020. 300 .20     ‘H8B 944 PERFORMANCE SOPTWARE
 9414 .020 .350 .20   89 944 PERFORMANCE SOFTWARKE
 944 .020.400 .20     ‘87—‘8B8 9445 PERF. SOFTWARKE
 944.020 .500 .20     ‘B9—> 94452 PERFORMANCE SOFTWARE
 951 .020.100 .20     ‘86—‘ 87 944T STAGE iC CHIP
 §$851.020.105 .20    ‘B6—‘B7 9447 STAGE l1 KIT
 951 .020.110 .20     1988 944T STAGE 1C CHIP
 §51.020.115 .20      1988 9447 STAGE 1 KIT
 §521.020.130 .20     ‘BB—‘89 TURBO S STAGE 1C CHIP
 §§51.020.135 .20     ‘dd—"‘89 TUKBO S STAGE 1 KITP
 951 .020.300 .20     ‘B8—‘89 TURBO S STAGE 2 KITP
 964 .020 .100 .20    ‘B9—‘90 CARRERA 2/4 SOFTWARE



BMHW :

 12.14.1.250.100       ‘B4—~‘87, 325e/8528e     PERF. SOFTWARLE
 12.14.1.240. 100      ‘B2—‘B4 "&é" W/BRAIN CONVERSION
12.14.1.280 .100       ‘88 3J25e/§28e    PERF,. SOPTWARE
12.14.1.2558 .100      ‘87—‘88, 3251i,iS,iX      PERF. SOFTWARE
12.14.1.259 .100       ‘89~‘90, 3251i,iS,iX/525       PERF. SOFTP
12.14 . 1. 300 .100    ‘87—~‘89 MJ PERFORMANCE SOFTWARE
12.14.1.330.100        ‘82~‘84, 5/6/733i WITH PLUG—IN CHIP
12. 14 .1.335. 100    #A2—‘B4, §/6/7334i WITH CONVERSION
12.14.1.3850.100      ‘B5—‘Bk 535§54i, ‘B5—47 635CSi/735i
12.14.1.38§5 .100     ‘B9—‘9%0 §385i, ‘Au—90 638CSi/738i
12.14 . 1. 400 .100   ‘B5—‘86, EUROPEAN MS/M6 PERP. SOPTP.
12.14.1.500.100       ‘B7~‘89, MS/M6 PERFPORMANCE SOPTWARE
12.14 .1.,.5850.100   ©‘4$0 MS5 PERFORMANCE SOPTWARE

VOLKSHWAG EN :

037.0920 .100         ‘90—‘91 CORRADO STAGE 1 PERF. §OPT.


APPENDIX B


AUTOTHORITY PERFORMANCE ENGINEERING
PERFORMANCE SOFTWARE INSTALLATION INSTRUCTIONS:

I. LOCATION OF CONTROL UNIT(S)

     A. PORSCHE

            1.   911 — UNDER DRIVER‘S SEAT
            2.   924S — UNDER DASH, BELOW STEERING COLUMN
            3.   944, ‘83 TO ‘85 — UNDER DASH, BELOW STEERING COLUMN
            4.   944, ‘85/2 AND LATER, 944S, 944S82, 944 TURBO —
                                            PASSENGER SIDE FLOORBOARD
            5.   964 (CARRERA 2/4) — UNDER DRIVER‘S SEAT

     B.   BMW

            1. 533i, 633CSi — ABOVE GLOVE BOX
            2. 733i — BEHIND RIGHT HAND PASSENGER KICK .PANEL
            3. ALL 325e, 325i, 325iS, 325iX, ‘84 AND LATER — ABOVE
                                                          GLOVE BOX
            4. 525 — IN COMPARTMENT UNDER HOOD, PASSENGER SIDE AT
                                                          FIREWALL
            5. 535i,635CSi,735i, UP TO ‘88 — ABOVE GLOWVE BOX
            6. 535i, 635CSi, 735i, ‘89 AND LATER IN COKPARTMENT
                            UNDER HOOD, PASSENGER SIDE AT FIREWALL
            7. M3, MS, M6 — ABOVE GLOVE BOX

II. TYPE OF CONTROL UNIT(S)
    A.    rORSCHE
            1.   911 — TYPE 2
            2.   9245 — TYPE 2
            3.   944, ‘83 TO ‘85 — TYPE 1
            4.   944, ‘85/2 AND LATER — TYPE 2
            5.   944S, 94482 — TYPE 3
            6.   944 TURBO — TYPE 2 DME, TYPE 2A KLR
            7.   964 (CARRERA 2/4) — TYPE 3
    B.    BMW
            1.   533i, 633CSi, 733i — TYPE 1
            2.   325e — TYPE 1
            3.   325i, 325iS, 325iX — TYPE 2
            4.   525 — TYPE 3
            5.   535i,635CSi,735i, UP TO ‘88 — TYPE 2
            6.   535i, 63sCcsi, 735i, ‘89 AND LATER — TYPE 3
            7.   M3, MS5, M6 — TYPE 2


       III. REMOVAL OF CONTROL UNIT(S)

           A. PORSCHE

                 1. UNDER SEAT

                     Push the seat all the way back and lift up the
                     hard. plastic carpet that covers the Motronic
                     control unit. The brain is held in place with four
                     lOmn nuts and washers.    Remove them with a small
                     lOmm socket and ratchet. The wiring bundle is held
                     in place with a heavy steel strap that is also
                     held down with a loOmnmn washer and nut. Lift the
                     Motronic control box up and off the studs.

                2. UNDER DASH

                     Using a ratchet       and 8MM socket,     remove the brain
                     from underneath the steering column. Note the
                     position of the pieces attached to the brain for
                     proper reinstallation.

                3. FLOORBOARD

                     Peel the carpet back at the top edge.  It is held
                     up with Velcro.    Underneath there is a plywood
**"~




                     board held down with four Phillips head screws.
                     Remove the board       and note that the     Velcro strips
                     are on the top edge       of the board.    The frame that
                     holds the Motronic control box is now          sexposed and
                     is removed by unscrewing the lower two Phillips
                     head screws and the upper two plastic straight
                     blade screws.  Three Phillips head screws hold the
                     Motronic    box to the frame.     Note the exact
                     location of the control box and any other control
                     modules     and, . unscrew    the   boxes.     Remove   the
                     frame.         f      C

                     944 TURBO ONLY:

                     a.  The KLR box,   which controls boost,    is the
                     smaller box to the right of the Motronic(R)
                     control unit.  A 7 MM wrench is required to remove
                     the hose connected to the brain.

                     b.   Each A.P.E.      Chip is designated "DME" or "KLR"
                     at the end of the part number       on the     face of the
                     chip.     The "DME"    chip goes in the    larger control
                     unit,  the "KLR" in the smaller.  Make sure the
                     correct chip is installed in the correct control
                     unit.


AUTOTHORITY PERFORMANCE ENGINEERING
PERFORMANCE SOFTWARE INSTALLATION INSTRUCTIONS:

     B. BMW

          i. ABOVE GLOVE BOX

                  Open the glove box.   Remove the two Phillips head
                  screws to the right and left of the screws holding
                  the latch. The insulation and cover over the glove
                  box should pull down and expose the control unit.
                  Using a ratchet and 8      MM socket, remove the brain
                  from the underside of the dash.      Note the position
                  of the ~bracket to the left          of the box for
                  reinstallation.

          2. KICK PANEL

                  Remove the trim     panel located under the    Gdash and
                  in front of the door on the passenger side to gain
                  access to the control unit.

          3. UNDER HOOD

                  Open the hood.     The control units are in a
                  compartment in front of the firewall on the
                  passenger —side.  On some models there will be a
                  plastic cover over the entire compar—cment. Remove
                  the four screws securing the cover and lift off.
                  Use a ratchet with a 10 MM socket and an extension
                  to remove the two nuts securing     the control unit.
                  Lift straight up.

IV., CONNECTOR REMOVAL

     A. EARLY STYLE HOTRONIQ(R)'UNITS — TYPE 1 & TYPE 2

          Hold the control unit in one hand and press on the
          spring steel retaining tab that holds in the electrical
          connector.     Remove   the plug    by rotating out    from the
          box. When reinstalling, remember that this hook nust be
          inserted first.

     B. LATER STYLE MOTRONIC(R) UNITS — TYPE 3

          Pull:   the thin   metal retainer     out and   away   from the
          connector. The metal piece will push the connector away
          from the control unit at       one end.   Pivot the connector
          out and disconnect it from the control unit.


v.   OPENING THE CONTROL UNIT

      A.   TYPE 1 CONTROL UNITS

             Remove the four Phillips screws holding the                flat metal
             cover on the bottom of the box (the side              away from the
             label) to gain access to the circuit boards. Remove the
             four screws which hold the board down and    "unfold" it.
             On the board you have just moved you will see either
             five twenty—four pin chips or only two twenty—four pin
             chips.  The five chip style requires modification, the
             two chip style utilizes a replaceable EPROM.

             NOTE: EVEN SOME EARLY EPROM STYLE CONTROL UNITS DID NOT
             COME WITH A PLUG    IN  SOCKET FOR THEIR MEMORY CHIPS.
             PLEASE CONTACT A.P.E.  IF YOU DO NOT HAVE A SOCKETED
             CHIP .

             Before removing the chip,     note the orientation by
             locating the end that has a notch in it. To remove the
             chip,  slide a small screwdriver under the chip and
             carefully lift upwards,   changing ends often so chip
             lifts out of its socket evenly.

             To install your A.P.E.  chip,  gently press  into the
             socket while checking that no pins are mis—aligned or
             kent.   If   you bend   a   pin,        simply   remove     the chip,
             straighten the bent pin(s)         with needle nose pliers and
             carefully reinstall the chip. BE SURE CHIP IS INSTALLED
            wWITH THE NOTCHED END CORRECTLY ORIENTED.

      B.   TYPE 2 CONTROL UNITS

            Straighten the metal tabs           on    the bottom       of the box.
            Remove the cover.

            EXTREME CARE    IS   REQUIRED TO SEPARATE          THE TWO CIRCUIT
            BOARDS! At the front of the board is the wiring harness
            connector block.  At the rear is a wire ribbon. The
            boards are held together at the wire ribbon                 end by two
            plastic posts which are snapped together in the
            middle.  The best way to separate these posts is to
            place a small screwdriver in the slit on the post and
            twist while gently pulling the boards apart.    You will
            have to use some force to       separate the        boards,     but be
            careful not to pull the board too far once it comes
            apart or you may rip out the ribbon cable. It‘s best to
            pull at the connector, not the board itself.

            After both posts are separated,    lift the board up at
            the rear and slide it back away from the wiring harness
            connector block. If it is glued to the block, carefully
            pry the glue away from the plastic and wiggle the board


        AUTOTHORITY PERFORMANCE ENGINEERING
        PERFORMANCE SOFTWARE INSTALLATION INSTRUCTIONS:

                  to release it. DO NOT USE A KNIFE OR RAZOR BLADE. It is
                  possible to damage the traces on the board.          Some of the
                  boards are glued, some are not.

                  Open up the two boards like        a book and     lay them flat.
                  Locate the memory chip on the board you have unfolded.
                  On some vehicles,  it will be held to the socket by a
                  plastic cover which must be unsnapped first.

                  NOTE: SOME EARLY CONTROL UNITS DID NOT COME WITH A PLUG
                  IN SOCKET FOR THEIR MEMORY CHIPS. PLEASE CONTACT A.P.E.
                  IF YOU DO NOF HAVE A SOCKETED CHIP.

                  Before removing the chip,     note the orientation by
                  locating the end that has a notch in it. To remove the
                  chip,   slide a small   screwdriver     under     the    chip and
                  carefully lift upwards,    changing ends often            so chip
                  lifts out of its socket evenly.

                  To install your AutoThority chip, gently press into the
                  socket while checking that no pins are mis—aligned or
                  bent.  If you bend a pin,     simply remove the chip,
   9m




                  straighten the bent pin(s)  with needle nose pliers and
                  carefully reinstall the chip. BE SURE CHIP IS INSTALLED
                  wWITH THE NOTCHED END CORRECTLY ORIENTED.

                  Slide the top board back into the wiring harness
                  connector block.  While making sure the boards line up,
                  press the top board down until it snaps.

                  We do not recommend bending the tabs back on the cover.
                  Simply place the top in       place     and     secure   with two
                  rubber bands.   "   ,

             C. TYPE 2A CONTROL UNITS

                  These units are identical to the Type 2 units detailed
                  above,   with the exception of a plastic pin which must
                  be pulled out of the bottom center of the box before
                  separating the boards.   Also, if you have an ‘86 or ‘87
                  944    Turbo where the two chips are identical        in
                  configuration,   mark each chip or record their part
                  numbers so you will know which is which.

             D. TYPE 3 CONTROL UNITS

                  Straighten the metal tabs     on    the bottom      of   the box.
pore.




                 Remove the cover.              f

                 NOTE:  SOME LATE STYLE BRAINS ARE OF    A  SINGLE BOARD
                 DESIGN. IF YOU HAVE THIS TYPE, CONTINUE WITH STEP "VI".


          one or two small screwdrivers are needed to release the
          top board for access to the Chip.      First,  you will
          separate the boards at the end away from the connector,
          and then you will unhook the top board from the
          connector block.

          EXTREME    —CARE IS REQUIRED      TO SEPARATE THE    TWO CIRCUIT
          BOARDS! At the front of the board is the wiring harness
          connector block.   At the rear is a wire ribbon. The
          boards are held together at the wire ribbon end by two
          plastic posts which are snapped       together in the
          middle.    The    best   way to    separate these    posts is to
          place a small screwdriver in the slit on the               post and
          twist while gently pulling the boards apart.               You will
          nave to use some force to  separate the  boards, but be
          careful  not to pull the   board too far once  it comes
          apart or you may rip out the ribbon cable. Apply force
          to the plastic strip attached         to   the   cable,     not the
          circuit board.

          Looking at the connector on the control unit, you will
          see two locking tabs on either side of the top row of
          pins.     While    gently   spreading      the   boards       apart,
          (lifting at the rear) unclip the locking tabs. With the
          boards pulled apart at the opposite end,       the tabs
          surould stay unlocked.   Carefully pry the plastic lip
          above the row of pins down,  and,  when clear,             pull the
          board back and away from the connector block.

          Open up the two boards like         a book and   lay them flat.
          Locate the memory chip on the board you have unfolded.
          On some vehicles,  it will be held to the socket by a
          plastic cover which must be unsnapped first.

VI. CHIP REMOVAL AND INSTALLATION:
     A. LOCATING THE MEMORY CHIP
          On all    units discussed here,      the chip will        be on the
          circuit board that  has been unfolded from           the control
          unit.  On some vehicles,  the chip will be           held to the
          socket with a plastic cover which must        first be
          unsnapped.   There will only be one socketed chip per
          unit,  and it will have a silver/gray label with black
          numbers,   usually starting with "126735    ".,  If you
          have any questions,     do not hesitate to call for
          assistance.
         NOTE: SOME EARLY CONTROL UNITS DID NOT COME WITH A PLUG
         IN SOCKET FOR THEIR MEMORY CHIPS. PLEASE CONTACT A.P.E.
         IF YOU DO NOT HAVE A SOCKETED CHIP.


AUTOTHORITY PERFORMANCE ENGINEERING
PERFORMANCE SOFTWARE INSTALLATION INSTRUCTIONS:

     B. CHIP REMOVAL

          EPROMS are static sensitive devices.    Although ground
          straps and other protective devices are not a necessity
          to perform your chip installation, do try to avoid high
          static conditions and touching the chip by the pins.

          Before removing the chip,     note the orientation by
          locating the end that has a notch in it.  To remove the
          chip,  slide a small screwdriver under the chip and
          carefully lift upwards,    changing ends often so chip
          lifts out of its socket evenly.

     C. CHIP INSTALLATION

          To install your A.P.E.  chip,    gently press it into the
          socket while checking that no pins are mis—aligned or
          bent.  If you bend. a pin,      simply remove the chip,
          straighten the bent pin(s)    with needle nose pliers and
          carefully reinstall the chip. BE SURE CHIP IS INSTALLED
          wWITH THE NOTCHED END CORRECTLY ORIENTED.

     D. CLOSING AND SECURING THE CONTROL UNIT

          Reverse the opening instructions above,        making sure
          that all circuit boards are snapped firmly     into place.
          We do not recommend bending the tabs back on     the cover
          (Style 2/3 units).    Simply place the top in place and
          secure with rubber bands.    .

VI. AFTER INSTALLATION

     A. CAIP STORAGE

         Store your original chip in a safe place using the
         anti—static foam that came with your A.P.E. chip.

     B. ENGINE SET—UP

         Basic idle and fuel mixtures should be checked to make
         sure they are within factory specifications. Also make
         sure oxygen sensor is connected.     The A.P.E. chip is
         designed to work with all emissions controls in place,
         and in conjunction with normal engine settings.



Document Created: 2005-09-01 12:41:46
Document Modified: 2005-09-01 12:41:46

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