Multi-display Power Source Circuit: Wiring Diagram

WARNING: This page is about a different car, the 2006 Lexus IS 350 and 2006 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.

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

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INSPECT MULTI-DISPLAY

Disconnect the multi-display connector J50.

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

STANDARD RESISTANCE

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

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

STANDARD VOLTAGE

Tester connection	Condition	Specified condition
+B1 - GND1	Always	10 to 14 V
ACC - GND1	Engine switch on (ACC)	10 to 14 V
IG - GND1	Engine switch on (IG)	10 to 14 V

Fig 2: Identifying Multi-Display Connector J50

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE