Diagnostic Test
- READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR THE DTC TO RETURN
- With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
- With the scan tool, run a vehicle Scan Report, or record the Environmental Data related to the DTCs.
- With the scan tool, erase all DTCs.
- Turn the ignition off for a minimum of 10.0 seconds.
- Turn the ignition on.
- Using the recorded Environmental Data and the When Monitored Conditions above, operate the vehicle in the conditions that set the DTC.
- With the scan tool, read Body Control Module (BCM) DTCs.
Did the DTC return?
Yes
- Go To 2
No
- Perform the appropriate INTERMITTENT CONDITION diagnostic procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
- CHECK IF BCM DTC: B168E-11-FRONT FOG LAMP SWITCH-CIRCUIT SHORT TO GROUND IS ACTIVE
- With the scan tool, read Body Control Module (BCM) DTCs.
Does the scan tool display DTC B168E-11-FRONT FOG LAMP SWITCH-CIRCUIT SHORT TO GROUND as active?
Yes
- Perform the diagnostic test for DTC B168E-11-FRONT FOG LAMP SWITCH-CIRCUIT SHORT TO GROUND.
No
- Inspect the Fog Lamp Switch for debris or foreign material that could cause a sticking condition. If no problem is found, replace the Fog Lamp Switch in accordance with the Service Information. Refer to SWITCH, HEADLAMP, REMOVAL AND INSTALLATION .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- With the scan tool, read Body Control Module (BCM) DTCs.