Test Description
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
The numbers below refer to the step numbers on the diagnostic table:
- 2: This test determines the status of the column switch using a scan tool. The scan tool will display the column switch status as In, button pressed toward driver, and Idle, button released.
- 3: This test checks if the column switch is shorted to ground or stuck. If the column switch status changes from In to Idle when the column switch is disconnected, then the switch assembly must be replaced.
DTC B2857
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Tilt/Telescoping Steering Column Schematics Connector End View Reference: Steering Wheel and Column Connector End Views |
|||
| 1 | Did you perform the Steering Column Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Steering Wheel and Column |
| 2 | Using a scan tool, select SCM input display and monitor the column switch status. Does the scan tool display column switch status as In? |
Go to Step 3 | Go to Diagnostic Aids |
| 3 |
|
Go to Step 4 | Go to Step 5 |
| 4 | Check for a short to ground in steering column telescope forward switch signal circuit. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 7 | Go to Step 6 |
| 5 | Replace the telescoping column switch assembly. Refer to Telescope Actuator Switch Replacement . Did you complete the replacement? |
Go to Step 7 | - |
| 6 |
IMPORTANT:
Perform the set up procedure for the Seat Control Module Replace the seat control module. Refer to Memory Seat Control Module Replacement
.Did you complete the replacement? |
Go to Step 7 | - |
| 7 |
|
Go to Step 2 | System OK |