Illumination Circuit
CIRCUIT DESCRIPTIONReceiving the courtesy signal from either of the door ECU, the Body ECU will make the interior light, ignition light, and foot light come on.
Wiring Diagram - Back Door ECU:
Step 1 - 3:
INSPECTION PROCEDURE
HINT: In case of using the TOYOTA hand-held tester, start the inspection from step 1 and in case of not using the TOYOTA hand-held tester, start from step 2.