Inspection Procedure

WARNING: This page is about a different car, the 2005 Lexus RX 330. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT MULTI-DISPLAY

Disconnect the multi-display connectors M4 and M5.

Measure the resistance according to the value(s) in the table below.

Fig 1: Disconnecting Multi-Display Connectors M4 And M5

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard:

MULTI-DISPLAY CONNECTOR TERMINALS RESISTANCE

Tester connection	Condition	Specified condition
GND1 - Body ground	Always	Below 1 Ω
SGND - Body ground	Always	Below 1 Ω

Measure the voltage according to the value(s) in the table below.

Standard:

MULTI-DISPLAY CONNECTOR TERMINALS VOLTAGE

Tester connection	Condition	Specified condition
+B - GND1	Always	10 to 14 V
ACC - GND1	Ignition SW ACC	10 to 14 V
IG - GND1	Ignition SW ON	10 to 14 V

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE or DIAGNOSTIC TROUBLE CODE CHART )