Headlamp: Testing and Inspection

The table below will be useful for you in troubleshooting these electrical problems. The most likely caution of the malfunction are shown in the order of their probability. Inspect each part in the order shown and replace the pant when it is found to be faulty.




This system uses the multiplex communication system, so check diagnosis system of the multiplex communication system (Refer to Information Bus, Testing and Inspection) before you proceed with troubleshooting.

HINT: To inspect the bulb and light control ECU, replace them with the ones working normally and judge whether they work normally or not.