Inspection Procedure

WARNING: This page is about a different car, the 2004 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.

PERFORM ACTIVE TEST BY HAND-HELD TESTER
1. Connect the hand-held tester to the DLC3.
2. Check that the illumination can light in an ACTIVE TEST.
Driver Side J/B ECU:

Fig 1: Driver Side J/B ECU Values Table Using Lexus Hand-Held Tester (Interior Light)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Passenger Side J/B ECU:

Fig 2: Passenger Side J/B ECU Values Table Using Lexus Hand-Held Tester (Interior Light)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON (See PROBLEM SYMPTOMS TABLE )
2. NG: Go to next step.
INSPECT INTERIOR LIGHT (See INSPECTION )
1. NG: REPLACE INTERIOR LIGHT
2. OK: Go to next step.
CHECK HARNESS AND CONNECTOR
1. Inspect the harness and connectors related to each light, referring to the wiring diagram.
1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE )
2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON (See PROBLEM SYMPTOMS TABLE )