Instrument Panel Cluster Diagnostic System Check: Testing
- Install scan tool to DLC. If scan tool powers up, go to next step. If scan tool does not power up, see SELF-DIAGNOSTICS in appropriate BODY CONTROL MODULES article.
- Turn ignition switch to ON position. Attempt to establish communications with the following modules:
- Body Control Module (BCM)
- Electronic Brake Control Module (EBCM)
- Instrument Panel Cluster (IPC)
- Powertrain Control Module (PCM)
- Inflatable Restraint And Sensing Diagnostic Module (SDM)
If communication is established, go to next step. If communication cannot be established, go to SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DATA LINE under DIAGNOSTIC TESTS
- Select scan tool display DTCs function for the following control modules:
- Body Control Module (BCM)
- Electronic Brake Control Module (EBCM)
- Instrument Panel Cluster (IPC)
- Powertrain Control Module (PCM)
- Standard Diagnostic Module (SDM)
If scan tool displays any DTCs, go to next step. If scan tool does not display any DTCs, perform appropriate procedure under SYMPTOM TESTS .
- If scan tool does not display any DTCs beginning with "U", go to next step. If scan tool displays any DTCs beginning with "U", go to SELF-DIAGNOSTICS in appropriate BODY CONTROL MODULES article.
- If scan tool does not display DTC B1000, perform appropriate procedure under SYMPTOM TESTS . If scan tool displays DTC B1000, go to DIAGNOSTIC TESTS .