Corvette V8-5.7L VIN G (1997)
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.
