Inspection Procedure

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

Check multi display.
CHECK:

Turn the light control switch to TAIL and check the voltage of terminal TAIL.

OK:

10 - 14 V
1. NG : Check light control switch (See LIGHT CONTROL SWITCH CIRCUIT ).
2. OK : Go to next step.
Check multi display.
PREPARATION:

Disconnect the multi display connector.

CHECK:

Check the voltage of terminal +B.

OK:

+B: 10 - 14 V

CHECK:

Check the voltage of terminal ACC when the ignition switch is in ACC or ON position.

OK:

ACC: 10 - 14 V

CHECK:

Check continuity at terminal GND.

OK:

GND: Continuity
1. NG : Replace or repair wire harness or connector (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).
2. OK : Replace multi display (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).