Inspection Procedure

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

CHECK SYSTEM
1. Turn the light control switch to the TAIL or HEAD position.
  Check if the illumination of the switches such as on the radio receiver assy comes on.
  
  OK: Illumination of the switches comes on.
1. NG: GO TO COMBINATION METER SYSTEM (SEE HOW TO PROCEED WITH TROUBLESHOOTING )
2. OK: GO TO NEXT STEP.

INSPECT MULTI-DISPLAY (ILL+)

Disconnect the connector from the multi-display.

Measure the voltage according to the values in the table below.

Standard:

SPECIFIED CONDITION

Tester connection	Condition	Specified condition
ILL+ - Body ground	Light control switch TAIL or HEAD	10 to 14 V

Fig 1: Identifying Multi-Display Connector ILL+

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: GO TO NEXT STEP.

CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSY - MULTI-DISPLAY)

Disconnect the connectors from the combination meter assy and Multi-display.

Measure the resistance according to the values in the table below.

Standard:

SPECIFIED CONDITION

Tester connection	Condition	Specified condition
ILL - ILL-	Always	Below 1 Ω
ILL - Body ground	Always	10 kΩ or higher

Fig 2: Identifying Combination Meter Assy Connector

Fig 3: Identifying Multi-Display Connector

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )