Multi-display Controller Power Source Circuit: Wiring Diagram

WARNING: This page is about a different car, the 2006 Lexus RX 400h. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Multi-Display Controller Power Source Circuit Wiring Diagram

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSPECT MULTI-DISPLAY CONTROLLER

Disconnect the multi-display controller R15 connector.

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

Standard resistance

RESISTANCE SPECIFIED CONDITION

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

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

Standard voltage

VOLTAGE SPECIFIED CONDITION

Tester connection	Condition	Specified condition
+B1 - GND	Always	10 to 14 V
ACC - GND	Ignition SW ACC	10 to 14 V

Fig 2: Identifying Multi-Display Controller R15 Connector

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: RETURN TO THE ORIGINAL INSPECTION FLOW BECAUSE THE CHECK RESULT IS NORMAL