CHART TO ASSIST TECHNICIAN WITH SPS/EEPROM. GMC Truck GMC MD Bus Chassis (B Model) 1996

SUBJECT: CHART TO ASSIST TECHNICIAN WITH SPS/EEPROM PROGRAMMING (INFORMATION)

MODELS: 1995-96 PASSENGER CARS AND TRUCKS

THIS BULLETIN IS BEING ISSUED TO ASSIST TECHNICIANS WITH THE REPROGRAMMING OF VEHICLES. THE FOLLOWING CHART WAS DEVELOPED TO BE USED BY TECHNICIANS THAT ARE FAMILIAR WITH THE TECHLINE TERMINALS, TECH 1 AND ALL OF ITS ADAPTERS:

IMPORTANT: IF PROGRAMMING A NEW CONTROL MODULE, YOU MUST REQUEST INFORMATION FROM THE NEW CONTROL MODULE FIRST.

BATTERY VOLTAGE MUST BE BETWEEN 11 AND 14 VOLTS. SYSTEM TO BE PROGRAMMED SHOULD NOT BE CONNECTED TO A BATTERY CHARGER. INCORRECT VOLTAGE COULD CAUSE PROGRAMMING AND/OR CONTROL MODULE FAILURE.

YES NO === ==

1. DO YOU HAVE A CAMS OR A T-100, GO TO STEP 4 GO TO STEP 2 T-120, T-170 OR A T-190?

2. DO YOU HAVE A T-5, T-5 TURBO, GO TO STEP 12 GO TO STEP 3 T-6, T-15, T-18 OR A T-65? (INFORMATION ONLY TERMINALS).

3. DO YOU HAVE A T-20, T-20 PLUS, GO TO STEP 4 IDENTIFY TYPE T-50 OR A T-60? (DIAGNOSTIC OF TERMINAL PLUS INFORMATION TERMINALS). GO TO STEP 1

4. ARE YOU GOING TO PROGRAM FROM GO TO STEP 5 GO TO STEP 12 PC DIRECTLY TO THE VEHICLE? (THIS IS KNOWN AS THE DIRECT PROGRAMMING METHOD).

5. SELECT SPS/EEPROM FROM THE GO TO STEP 6 DIAGNOSTIC MENU. SELECT "NEW VEHICLE" (*1).

6. ENTER THE VEHICLE INFORMATION. GO TO STEP 7 THE VEHICLE'S VIN DESCRIPTION WILL APPEAR AT THE TOP LEFT OF THE SCREEN AFTER VIN IS COMPLETED.

7. FROM THE SPS PROGRAMMING SCREEN, GO TO STEP 8 SELECT "TERMINAL TO VEHICLE". SELECT "DONE".

8. FOLLOW THE INSTRUCTIONS ON THE GO TO STEP 9 TERMINAL. SELECT "OK". (*2)

9. SELECT THE PROPER CALIBRATION GO TO STEP 10 FILE IF APPROPRIATE. IN SOME CASES, ONLY ONE CALIBRATION FILE WILL BE AVAILABLE.

10. SELECT "PROGRAM" AND "YES" TO GO TO STEP 11 DOWNLOAD THE NEW DATA FROM THE TERMINAL TO THE VEHICLE.

11. WHEN COMPLETE, TERMINAL WILL GO TO STEP 35 DISPLAY "PROGRAMMING SUCCESSFULLY COMPLETED".

12. VEHICLE KEY ON, NOT STARTED. GO TO STEP 13 CONNECT THE TECH 1 TO THE VEHICLE'S DLC AND, AT THE MSC TITLE SCREEN, PRESS ENTER (*3).

13. PRESS F3: PROGRAMMING. SELECT GO TO STEP 14 MODEL YEAR AND ENTER VEHICLE INFORMATION AS REQUESTED BY THE TECH 1.

14. PRESS F0: REQUEST INFO. GATHER GO TO STEP 15 CONTROL MODULE INFORMATION USING THE TECH 1. (PRESS EXIT WHEN COMPLETE). (*4)

15. DISCONNECT THE TECH 1 FROM THE GO TO STEP 16 VEHICLE'S DLC.

16. ARE YOU USING A CAMS OR A T-100 GO TO STEP 21 GO TO STEP 17 TO DOWNLOAD TO THE TECH 1?

17. ON THE TECHLINE TERMINAL, SELECT GO TO STEP 18 "SPS/EEPROM" FROM THE DIAGNOSTIC MENU. SELECT "TERMINAL TO TECH 1". SELECT "DONE".

18. IF PROGRAMMING A NEW CONTROL GO TO STEP 19 MODULE, YOU MUST ENTER THE VIN OF THE VEHICLE THROUGH THE "NEW VEHICLE" MENU ITEM.

19. CONNECT THE TECH 1 TO THE GO TO STEP 20 TECHLINE TERMINAL VIA THE RS232 CABLE. FOLLOW INSTRUCTIONS ON THE SCREEN. (*5)

20. SELECT "OK" ON THE TECHLINE GO TO STEP 27 TERMINAL.

21. SELECT "MENU", THEN "QUIT TO GO TO STEP 22 DOS" AND AT THE "C:)", TYPE SPS AND PRESS THE ENTER KEY. (*6)

22. FROM THE DIAGNOSTIC MENU, SELECT GO TO STEP 23 SPS/EEPROM. SELECT "TERMINAL TO TECH 1". SELECT "DONE".

23. IF PROGRAMMING A NEW CONTROL GO TO STEP 24 MODULE, YOU MUST ENTER THE VIN OF THE VEHICLE THROUGH THE "NEW VEHICLE" MENU ITEM.

24. DISCONNECT THE VIM AND/OR ALL GO TO STEP 25 ADAPTERS FROM THE TECH 1 BEFORE CONNECTING TO THE T-100.

25. CONNECT THE TECH 1 TO THE T-100 GO TO STEP 26 USING THE 12 PIN DLC ADAPTER (P/N 48796). ON A TECH 1 A, ALSO USE 12/14 PIN ADAPTER (P/N TA01140). CONNECT TECH 1 POWER AND THE T-100 BATTERY CLIPS TO THE SAME SOURCE. VERIFY THE DLC TOGGLE SWITCH IS IN THE "M" POSITION. (*7)

26. SELECT "DONE". GO TO STEP 27

27. SELECT THE PROPER CALIBRATION GO TO STEP 28 FILE, IF APPROPRIATE. IN SOME CASES, ONLY ONE CALIBRATION FILE WILL BE AVAILABLE.

28. SELECT "PROGRAM" AND "YES" TO GO TO STEP 29 DOWNLOAD THE NEW DATA FROM THE TERMINAL TO THE TECH 1.

29. AFTER THE TERMINAL DISPLAY GO TO STEP 30 READS "TECH 1 DOWNLOAD SUCCESSFULLY COMPLETED", DISCONNECT THE TECH 1.

30. CONNECT THE TECH 1 TO THE GO TO STEP 31 VEHICLE AND TURN IGNITION ON. TURN KEY ON BEFORE CONNECTING TO DLC WHEN USING VIM.

31. AT THE MSC TITLE SCREEN, PRESS GO TO STEP 32. "ENTER".

32. PRESS F3: PROGRAMMING. SELECT GO TO STEP 33 MODEL YEAR AND ENTER VEHICLE INFORMATION AS REQUESTED BY THE TECH 1.

33. SELECT F1: PROGRAM. THE TECH 1 GO TO STEP 34 WILL DISPLAY "PROGRAMMING CONTROL MODULE".

34. WHEN COMPLETE, PRESS "EXIT". GO TO STEP 35

35. CHECK FOR SUCCESSFUL COMPLETED PROGRAMMING. TURN IGNITION OFF AND DISCONNECT DLC. WAIT AT LEAST 10 SECONDS. START VEHICLE TO MAKE SURE THAT PROGRAMMING WAS SUCCESSFUL. (*8)

(*1) - T-100 TERMINALS ARE NOT CAPABLE OF PROGRAMMING OBD II VEHICLES THROUGH THE DIRECT METHOD.

(*2) - IF PROGRAMMING IS INTERRUPTED WITH AN ERROR MESSAGE, DO STEP 21 THEN RESTART AT STEP 7.

(*3) - YOUR MSC MUST BE UPDATED TO REFLECT THE MOST CURRENT UPDATE OFFERED ON THE TECHLINE CD-ROM.

(*4) - IF PROGRAMMING A NEW CONTROL MODULE, YOU MUST REQUEST INFO FROM THE NEW CONTROL MODULE FIRST. YOU WILL RECEIVE A "VIN NOT STORED" MESSAGE ON YOUR TECH 1. (PRESS EXIT WHEN DONE).

(*5) - ALWAYS CONNECT THE RS232 CABLE FIRST, THEN THE POWER ADAPTER. FAILURE TO DO SO COULD RESULT IN A LOSS OF INFORMATION STORED ON THE TECH 1.

(*6) - THIS STEP WILL AVOID POTENTIAL MEMORY ERRORS.

(*7) - BOTH POWER AND GROUND CLIPS MUST BE CONNECTED.

(*8) - ADDITIONAL KEY CYCLE MAY BE NEEDED TO PERFORM ANY RESET FUNCTION (IE. IAC VALVE).

FIGURES: 00 ATTACHMENTS: 00

GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.