Circuit/System Verification
- Ignition ON.
- Verify the left lower park/daytime running lamp turns ON and OFF while commanding the Left Lower Park/Daytime Running Lamp ON and OFF with a scan tool.
- If the left lower park/daytime running lamp does not turn ON and OFF
Refer to Circuit/System Testing - Daytime Running Lamps Malfunction - Lower.
- Go to next step: If the left lower park/daytime running lamp turns ON and OFF
- If the left lower park/daytime running lamp does not turn ON and OFF
- Verify the right lower park/daytime running lamp turns ON and OFF while commanding the Right Lower Park/Daytime Running Lamp ON and OFF with a scan tool.
- If the right lower park/daytime running lamp does not turn ON and OFF
Refer to Circuit/System Testing - Daytime Running Lamps Malfunction - Lower.
- Go to next step: If the right lower park/daytime running lamp turns ON and OFF
- If the right lower park/daytime running lamp does not turn ON and OFF
- (With T4F). Verify the left upper park/daytime running lamp turns ON and OFF while commanding the Left Dedicated Daytime Running Lamp ON and OFF with a scan tool.
- If the left upper park/daytime running lamp does not turn ON and OFF
Refer to Circuit/System Testing - Daytime Running Lamps Malfunction - Upper (with T4F).
- Go to next step: If the left upper park/daytime running lamp turns ON and OFF
- If the left upper park/daytime running lamp does not turn ON and OFF
- (With T4F). Verify the right upper park/daytime running lamp turns ON and OFF while commanding the Right Dedicated Daytime Running Lamp ON and OFF with a scan tool.
- If the right upper park/daytime running lamp does not turn ON and OFF
Refer to Circuit/System Testing - Daytime Running Lamps Malfunction - Upper (with T4F).
- Go to next step: If the right daytime running lamp turns ON and OFF
- If the right upper park/daytime running lamp does not turn ON and OFF
- Refer to Circuit/System Testing - Ambient Light Sensor Malfunction.