Test Description
The numbers below refer to the step numbers on the diagnostic table.
- 1: Tests if the BCM can enter the On-Board Diagnostic Mode. Refer to On-Board Diagnostic Features .
- 2: Tests the presence of DTCs stored in the BCM. Refer to the Diagnostic Trouble Code (DTC) List for the appropriate procedure.
Diagnostic System Check - Body Control System
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Body Control System Schematics | |||
| 1 | Enter the BCM Diagnostic Mode. Refer to On-Board Diagnostic Features . Does the BCM enter the Diagnostic Display mode? |
Go to Step 2 | Go to Cannot Enter BCM Diagnostics |
| 2 | Select display BCM DTCs. Refer to On-Board Diagnostic Features . Does the BCM display any DTCs? |
Go to Diagnostic Trouble Code (DTC) List | Go to the Applicable Symptom Table |