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Daytime Running Lamp Control Unit: Service and Repair




Daytime Running Lights Control Unit Input Test/Replacement

USA models

NOTE: Make sure the headlights high beam come on normally with the combination light switch ON.

1. Remove the driver's dashboard undercover Driver's Dashboard Undercover Removal / Installation, and the driver's dashboard lower cover Driver's Dashboard Lower Cover Removal / Installation.

2. Disconnect the 14P connector (A) from the daytime running lights control unit (B).





3. Inspect the connector and socket terminals to be sure they are all making good contact.

- If the terminals are bent, loose or corroded, repair them as necessary and recheck the system.
- If the terminals look OK, go to step 4.

4. Reconnect the connector to the daytime running lights control unit, and do the following input tests.

- If any test indicates a problem, find and correct the cause, then recheck the system.
- If all the input tests prove OK, go to step 5.





5. Disconnect the 14P connector from the daytime running lights control unit, and do the following input tests.

- If any test indicates a problem, find and correct the cause, then recheck the system.
- If all input tests prove OK, the control unit must be faulty; replace it.





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