Component Tests and General Diagnostics

Daytime Running Light (D.R.L.) System On-Vehicle Inspection
1. Apply parking brake and stop engine. With turned on lighting switch and operated dimmer switch, check headlights come on.
2. Start engine.
3. With released parking brake but apply foot brake, turn lighting switch at either "OFF" or "SMALL" position, check headlights come on.
4. With applied parking brake, check headlights go out.
5. If check result is OK in above step 1), 3) and 4), D.R.L. system is OK. If malfunction is found, go to next step 6).
6. Disconnect negative cable (-) at battery.
7. Disconnect D.R.L. controller coupler and connect negative cable at battery.

Daytime Running Light System Circuit Specification:

8. Check that the voltage and resistance between the following terminals are specifications. If check result is not satisfactory, repair.
9. If check result of Step 8) is OK, replace controller and recheck.