1997-2004 Canadian, Export & Euro. W/ M/T and A/T, Procedure 1B
1997-2004 Canadian & Export Corvettes with manual transmissions /1997-2000 EXPORT vehicles with automatic transmissions / 2001-2004 EUROPEAN EXPORT vehicles with automatic transmissionsThe required repairs vary depending on the model year, build date, and what repairs (Customer Satisfaction Campaign 01044 or Technical Service Bulletin 01-02-35-008) have been previously performed. Refer to the chart at the beginning of the service procedure in this bulletin to determine the correct repairs for the vehicle you are working on.
If necessary, check the "Claim History" in the "Summary" section in the GM Vehicle Inquiry System (GMVIS) to determine whether Customer Satisfaction Campaign (CSC) 01044 or Technical Service Bulletin (TSB) 01-02-35-008 has been performed on a vehicle. DO NOT use the "Required Field Action" section to determine whether Customer Satisfaction Campaign 01044 has been performed. All vehicles involved in that Campaign were listed as closed when the campaign was cancelled. If either has been performed, labor operation V0743 (CSC 01044) or N8505 (TSB 01-02-35-008) will be listed.
After determining the required repairs for the vehicle you are working on, proceed to the appropriate Service Procedures in this bulletin for instructions.
Important:
If the vehicle requires the installation of a "Wire/Relay Kit", that must be done first, followed by the "Reprogram" followed by the "Functional Test". If the vehicle does not require the "Wire/Relay Kit," then you should first perform the "Reprogram" followed by the "Functional Test." Remember, you must complete "all" repairs listed for the vehicle being worked on in order to complete this recall.
Installing Wire and Relay Kit, P/N 88952428 (Procedure 1B)
This procedure should ONLY be done if the vehicle you are working on has NOT had Customer Satisfaction Campaign (CSC) 01044 or Technical Service Bulletin (TSB) 01-02-35-008 performed. See the information above.
1. Turn the steering wheel so that the vehicle's front wheels are pointing straight ahead.
2. Turn the ignition switch to the OFF position.
3. Open the hood and disconnect the negative battery cable.
4. Disengage the upper latches on the front kick-up panel on the passenger side.
5. Lift the kick-up panel's lower edge out of the slots in the relay bracket.
Important:
The Electric Column Lock (ECL) relay described in the next step can be identified by the four wires that connect to it. Prior to the modification being done, there should be two ORANGE wires, one DARK GREEN, and one WHITE wire. If there is also a purple wire (a total of five wires), then the Wire and Relay Kit has already been installed and you should proceed to the section titled "Service Reprogramming."
6. Locate the ECL relay, which is above the body control module (BCM).
7. Remove the connector position assurance (CPA) clip from the back of the ECL relay connector.
8. Remove the ECL relay harness from the backside of the relay assembly.
Important:
The relay being removed in the next step is a single pole, single throw design. With the wiring modifications being made in the next steps, a single pole, double throw relay is required. Only the new relay included with the jumper harness can be used once the wiring modifications have been made.
9. Remove the ECL relay from the connector and discard the relay.
10. Using the appropriate terminal release tool, remove the ORANGE wire from position C1 on the ECL relay connector.
11. Using the appropriate terminal release tool, remove the WHITE wire from position A2 on the ECL relay connector.
12. Swap the two terminal positions and re-insert them so that the ORANGE wire is now in position A2 and the WHITE wire is now in position C1.
13. Connect the remaining purple wire and terminal on the jumper harness into position B2 in the ECL relay connector.
14. Install the NEW single poke, double throw relay, included with the jumper harness kit, to the ECL connector.
15. Release the retainer holding the BCM and reposition the module for access to the electrical connectors.
16. Disconnect the green 16-way connector from the BCM. The above illustration is rotated approximately 90 degrees.
17. Using the appropriate terminal release tool, remove the purple wire and terminal from cavity A6 of the BCM connector.
18. Slide the piece of heat shrink tubing on the jumper harness, included in kit P/N 88952428.
19. Connect the female terminal and wire removed from the BCM connector to the male terminal on the jumper harness.
20. Slide the heat shrink tubing over the two terminals that you just connected together and apply heat as necessary to shrink/seal the tubing.
21. Install the female terminal on the jumper harness into cavity A6 in the BCM connector.
22. Reconnect the green 16-way connector to the BCM.
23. Position the BCM to the electrical panel and secure with the retainer.
24. Attach the new purple wire to other wires in the harness using black electrical tape.
25. Connect the negative battery cable to the battery.
26. Proceed to the section titled "Service Reprogramming". After reprogramming has been completed, install the lower edge of the kick-up panel in the slots in the relay bracket and engage the upper latches or hook and loop fasteners.
Service Reprogramming (Procedure 2)
Important:
In order to perform the following powertrain control module (PCM) reprogramming procedure, your Tech 2 must be updated with software version 24.008 or later. Please note that vehicles repaired previously using software version 24.004 or later do not need to be reprogrammed again. If your Tech 2 does not have the necessary software, you will need to update it before proceeding. Also, you must review Service Bulletin # 02-06-04-022A (Info-PCM Reprogramming and Data Line Diagnosis Using J 42236-A) before beginning to reprogram the PCM.
1. Turn the ignition switch to the ON position.
2. Connect the Tech 2 to the vehicle's diagnostic link connector (DLC), power it up and press ENTER.
3. Select SERVICE PROGRAMMING for the PCM.
4. Follow the on-screen instructions and prompts. If necessary, refer to up-to-date Techline equipment user instructions.
Important:
If the vehicle is a 1997 or 1998 built before 5/26/98, do not reassemble the body control module (BCM) area of the vehicle until after the "Functional Test of ECL" has been completed. Access to this area will be required when installing EL 47728, electronic column lock tester.
5. After completion of the reprogramming proceed to the next section titled "Functional Test of ECL."
Functional Test of ECL (Procedure 3)
Tools Required
EL 47728 Electronic Column Lock Tester (for 1997 and 1998 models built before 5/26/98)
Important:
Depending on conditions that may occur during the functional test, the Tech 2 may display various messages (Sequence Number). Definitions for the different sequence messages are at the end of the functional test procedure in this bulletin.
Important:
In order to perform the following procedure, your Tech 2 must be updated with software version 24.008 or later. If your Tech 2 does not have the necessary software, you will need to update it before proceeding.
1. Raise the vehicle on a suitable lift so that the front wheels are off the ground by a few inches.
2. Position the front tires/wheels in the straight-ahead position.
3. Open the hood and connect a battery charger to the vehicle. Operate the charger at a Low or Medium charge rate.
4. Turn the ignition switch to the ON position.
Important:
In order to hear a possible interference between the ECL and lock plate in the steering column during the functional test, the area in and around the vehicle must be as quiet as possible in the next few steps.
5. Close both windows and turn off all accessories (radio, HVAC) and lighting.
6. While listening carefully, slowly turn the steering wheel to the full left and then back to the full right. Then return the front tires/wheels to the straight-ahead position.
^ If you heard any ratcheting, ticking, scraping or other type sounds coming from the steering column, locate the source and correct before proceeding.
^ If you did NOT hear any ratcheting, ticking, scraping or other type sounds, continue to the next step.
Important:
The ignition key must be removed from the ignition switch in the next step.
7. Turn the ignition switch to the OFF position and REMOVE THE KEY.
8. Verify that the steering column LOCKED and that no ECL related messages are displayed on the Driver Information Center. It may be necessary to turn the steering wheel slightly in order for the ECL to engage in one of the openings in the lock plate.
^ If the column did not lock, inspection for installation of a Cam Orientation Plate and the related wiring harness that are to be used only on non-export vehicles with AUTOMATIC transmissions.
^ Inspect for installation of aftermarket wiring/relay that override the operation of the steering column lock.
^ Repair the ECL system per Service Manual procedures before proceeding with this functional test.
Important:
On 1997 and 1998 models built BEFORE 5/26/98, EL 47728, electronic column lock tester must be installed in the vehicle in the next step.
9. If the vehicle is a 1997 or 1998 built before 5/26/98, disconnect the upper pink 32-way connector (C2) and the lower green 16-way connector (C3) from the BCM. Attach the tester to the BCM and to the vehicle's wiring harness pink and green connectors.
10. Connect the Tech 2 to the vehicle's DLC, power it up, and press ENTER. If necessary, refer to up-to-date Techline equipment user instructions.
11. Select DIAGNOSTICS.
12. Enter MODEL YEAR followed by PASSENGER CAR, followed by BODY.
13. Select "Y" for the product line followed by the appropriate body style (coupe, convert, etc.).
Important:
The test is only for vehicles with manual transmissions and EXPORT vehicles with automatic transmissions. Do NOT use this test on non-export vehicles with automatic transmissions.
14. Select BODY CONTROL MODULE, followed by SPECIAL FUNCTIONS, followed by OUTPUT CONTROL followed by MISCELLANEOUS TESTS.
15. Select STEERING COL. LOCK FUNCTIONAL TEST.
Important:
The battery voltage must be maintained between 13.0 and 15.0 volts when performing the functional test in the next steps. Because the engine is NOT to be running during the test, a battery charger must be connected to the vehicle in the next step. The battery charger should be operated at a Low or Medium charge rate. Do NOT operate the charger on a "Fast Charge" or "HIGH" charge rate. Doing so may exceed the 15.0 volt limit for the test.
16. Open the hood and connect a battery charger to the vehicle. Operate the charger at a Low or Medium charge rate.
17. Follow the on-screen instructions.
18. Results of Functional Test:
^ If you could hear or feel any type of ratcheting, ticking, or scraping sound (that wasn't heard earlier) when turning the steering wheel, the steering column lock plate, retaining ring, and steering wheel retaining nut must be replaced. Proceed to the section in this bulletin titled, "Lock Plate, Retaining Ring, and Nut Replacement."
^ If you could NOT hear or feel any type of ratcheting, ticking, or scraping sound when turning the steering wheel, no further repairs are required. Proceed to the next step.
19. Press the "EXIT" button on the Tech 2 as necessary and disconnect it from the vehicle.
20. Disconnect the battery charger from the vehicle and close the hood.
Important:
On 1997 and 1998 models built BEFORE 5/26/98, EL 47728, electronic column lock tester must be removed from the vehicle in the next step. If it is not removed, the ECL and starter will not operate with the ignition key.
21. If the vehicle is a 1997 or 1998 built before 5/26/98, disconnect the EL 47728 from the BCM and the vehicle's wiring harness. Then reconnect the vehicle's wiring harness to the BCM. Also, reassemble the BCM area of the vehicle at this time.
Important:
When using EL 47728, some codes may be set in the BCM. These codes must be cleared in the next step.
22. Using the Tech 2, check and erase any current and history codes that may be stored in the BCM.
Tech 2 Message Definitions
^ Test Won't Start "Battery voltage needs to be between 13.0 and 15.0 in order to run test."
Connect the battery charger to the battery and operate the charger at a Low or Medium rate. DO NOT operate the charger on High or Fast Charge.
^ Test Terminated Sequence / "Make sure steering is not side loaded."
The front tires are turned tightly left or right causing the steering column to be under load and the ECL pin to bind in lock plate. To correct, turn the steering wheel so that the tires are straight ahead and restart the test.
^ Test Terminated Sequence 2 "Remove key from ignition switch."
The test cannot run with the key in the ignition switch. To correct, remove the key and restart the test.
^ Test Terminated Sequence 3 Not applicable.
Depending on the condition, different messages may be displayed in Sequence 4.
^ Test Terminated Sequence 4 "Test Terminated" or "Check for automatic transmission (non-export) steering wheel theft deterrent lock shorting harness" being installed.
The harness is only for use on non-export vehicles with automatic transmissions. It is NOT for use on manual transmission vehicles. If the harness has been installed, it must be removed. If the harness is not to there, replace the ECL.
^ Test Terminated Sequence 5 "Test Terminated"
Check for the automatic transmission (non-export) steering wheel theft deterrent lock shorting harness being installed. The harness is only for use on non-export vehicles with automatic transmissions. It Si NOT for use on manual transmission vehicles or EXPORT automatic transmission vehicles. If the harness has been installed, it must be removed. If the harness is not there, replace the ECL.
Lock Plate, Retaining Ring, and Nut Replacement
The following procedure should only be performed if the results of the Functional Test direct you to this section.
^ J 1859-A Steering Wheel Puller
^ J 42120 Steering Wheel Puller Legs
^ J 23653-SIR Steering Column Lock Plate Compressor
1. Turn the ignition switch to the OFF position.
2. Disconnect the negative battery cable.
3. Disengage the upper latches or hook and loop fasteners on the front floor kick-up panel on the passenger side.
4. Lift the kick-up panel's lower edge out of the slots in the relay bracket.
5. Remove the SDM fuse from the IP fuse block located behind the kick-up panel that was just removed.
6. Using a flat-bladed tool, carefully pry the IP courtesy lamp assembly from the driver's side lower closeout.
7. Remove the push-on retaining nut from the steering column bracket stud.
8. Release the driver's side lower closeout panel push-in retainers from the IP lower support beam.
9. Insert the IP courtesy lamp assembly up through the opening in the closeout panel.
10. Lower and remove the closeout panel. Release the notch in the right-hand forward edge of the closeout panel from the tab on the accelerator pedal bracket.
11. Remove the connector position assurance (CPA) from the driver's yellow 2-way air bag connector located at the base of the steering column and disconnect the connector.
12. Remove the CPA from the passenger yellow 2-way air bag connector, also located at the base of the steering column, and disconnect the connector.
13. Remove the screws attaching the driver's inflator module to the steering wheel and pull the module away from the steering wheel.
14. Disconnect the SIR electrical connector from the backside of the module, the horn wiring harness connector from the steering column, and the ground wire from the steering column. Remove the module.
15. Remove the nut attaching the steering wheel to the column and discard the nut.
16. Using tool J 1859-A, Steering Wheel Puller, and J 42120, Steering Wheel Puller Legs, remove the steering wheel from the column.
17. Using a small flat-bladed screwdriver, release the locking tab from the tilt lever handle and pull the lever straight out.
18. Using a small flat-bladed screwdriver, pry the lower edge of the combination fog lamp/trunk release switch to release the locking tab. Disconnect the electrical connector from the switch. Repeat this step on the inside air temperature sensor grill located to the right side of the steering column.
Important:
When removing the driver's side knee bolster trim panel as described below, care must be taken not to damage the console trim plate as the knee bolster trim panel tucks in behind the console trim plate.
19. Remove the driver's side knee bolster trim panel retaining screw, located behind the area where the combination fog lamp/trunk release switch is installed.
Repeat this step on the screw locoated in the inside air temperature sensor cavity.
20. Remove the driver's side knee bolster trim panel lower retaining screws.
21. Grasp the trim panel at the side edges and firmly pull rearward to release the locking tabs and remove the panel.
22. If equipped, disconnect the electrical connector from the inside air temperature sensor.
23. Remove the two screws that attach the lower steering column cover (3) to the upper (1).
24. Remove the one screw that attaches the upper steering column cover to the column and remove the upper cover.
25. Remove the snap ring and SIR coil from the steering column.
Note:
Only tool J 23653-SIR can be used for removing and installing the retaining ring and lock plate in the next steps. Use of any other tool, including J 23653-D, may result in the lock plate and retaining ring not being properly positioned on the steering column shaft. Failure to properly position the retaining ring and lock plate on the steering column shaft may result in the ECL not functioning properly when tested later in this procedure.
26. Using the J 23653-SIR (2), remove the retaining ring and the lock plate (1) and discard both.
27. Position the new lock plate and retaining ring on the steering column shaft.
28. Using J 23653-SIR and J 42137 (included with J 23653-SIR), install the new lock plate and new retaining ring. Use J 42137 to slide the retaining ring in to the groove on the shaft. Make sure the retaining ring is completely seated in the groove all the way around the shaft.
29. Position the SIR coil on the steering column and install the snap ring.
30. Install the upper steering column cover and install the attaching screw.
Tighten
Tighten the screw to 1.9 N.m (17 lb in).
31. Install the lower steering column and attaching screws.
Tighten
Tighten the screws to 4 N.m (35 lb in).
32. If equipped, connect the electrical connector to the inside air temperature sensor located on the knee bolster trim panel.
33. Install the knee bolster trim panel and press firmly to engage the locking tabs.
34. Install the lower retaining screws and the screws located behind the combination tog lamp/trunk release switch, and the inside air temperature sensor grill.
Tighten
Tighten the screws to 1.8 N.m (16 lb in).
35. Connect the electrical connector to the combination fog lamp/trunk release switch and install the assembly into the opening in the IP. Press firmly to secure. Repeat this step on the inside air temperature sensor grill.
36. Slide the tilt lever in the steering column until the locking tab clicks into place.
37. Remove (pull) the two inflatable restraint module retaining screws from the steering wheel.
38. Position, align, and press the steering wheel on to the steering column shaft.
39. Install a NEW steering wheel set nut on the steering column shaft.
Tighten
Tighten the nut to 41 N.m (30 lb ft).
40. Install the two retaining screws removed from the steering wheel into the backside of the inflatable restraint module.
Tighten
Tighten the screws to 6 N.m (53 lb in).
41. Position the inflatable restraint module to the steering wheel and connect the SIR electrical connector, the horn wiring harness connector to the steering column, and the ground wire to the column.
42. Install the inflatable restraint module on the steering wheel by pushing on both the right and left sides of the module until the retaining screws snap into place.
43. Connect the passenger yellow 2-way air bag connector located at the base of the steering column, and install the CPA.
44. Connect the driver's side yellow 2-way air bag connector located at the base of the steering column, and install the CPA.
45. Position the driver's side lower closeout panel below the IP and install the courtesy lamp.
46. Raise the closeout panel to the IP and engage the push-in retainers to the IP lower support beam.
47. Align the right-hand forward edge of the panel to the tab on the accelerator pedal bracket. Push up to secure.
48. Install the push-on retaining nut to the steering column bracket stud.
49. Install the SDM fuse.
50. Position the kick-up panel to the opening in the floor and insert the lower tabs into the slots in the multi-use bracket.
51. Close the panel and engage the latches or hook and loop fasteners.
52. Connect the negative battery cable.
53. Return to the section titled "Functional Test of ECL " and rerun the test.
If the Functional Test fails again (you can still hear a ratcheting, ticking or scraping sound), contact Technical Assistance for additional information.