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 CONTROLLER SUB-ASSY (+B1, ACC, GND)

Disconnect the multi-display controller sub-assy R15 connector.

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

Standard:

TESTER SPECIFIED CONDITION CHART

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

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

Standard:

TESTER SPECIFIED CONDITION CHART

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

Fig 1: Inspecting Multi-Display Controller Sub-Assy

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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