Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)
- Turn the ignition on.
- With the scan tool, read DTCs.
Does the scan tool display this DTC as active?
Yes
- Go To 2
No
- Test complete. The condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- CHECK FOR AN ACTIVE DTC WITH THE RIGHT FRONT PARK/TURN LAMP HARNESS CONNECTOR DISCONNECTED
- Turn the ignition off.
- Disconnect the Right Front Lamp Assembly C2 harness connector.
- Turn the ignition on.
- Activate the Right Turn Signal.
- With the scan tool, read DTCs.
Does the scan tool display this DTC as active?
Yes
- Go To 3
No
- Replace the Right Front Turn Signal Bulb in accordance with the Service Information. Refer to UNIT, FRONT LAMP, LOWER, REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- CHECK FOR AN ACTIVE DTC WITH THE RIGHT REAR PARK/TURN LAMP HARNESS CONNECTOR DISCONNECTED
- Turn the ignition off.
- Disconnect the Right Tail Lamp Assembly harness connector.
- Turn the ignition on.
- Activate the Right Turn Signal.
- With the scan tool, read DTCs.
Does the scan tool display this DTC as active?
Yes
- Go To 4
No
- Replace the Right Rear Turn Signal Bulb in accordance with the Service Information. Refer to LAMP, TAIL STOP TURN, REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- CHECK THE (L60) RIGHT FRONT TURN SIGNAL DRIVER CIRCUIT FOR A SHORT TO GROUND
- Turn the ignition off.
- Disconnect the BCM C1 harness connector.
- Measure the resistance between ground and the (L60) Right Front Turn Signal Driver circuit.
Is the resistance below 10K Ohms?
Yes
- Repair the short to ground in the (L60) Right Front Turn Signal Driver circuit.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Go To 5
- CHECK THE (L62) RIGHT REAR TURN SIGNAL DRIVER CIRCUIT FOR A SHORT TO GROUND
- Disconnect the BCM C3 harness connector.
- Measure the resistance between ground and the (L62) Right Rear Turn Signal Driver circuit.
Is the resistance below 10K Ohms?
Yes
- Repair the short to ground in the (L62) Right Rear Turn Signal Driver circuit.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Replace the BCM in accordance with the Service Information. Refer to MODULE, BODY CONTROL, REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .