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.
- INSPECT MULTI-DISPLAY CONTROLLER (+B1, ACC, GND, SELD, GAUX, NAVI)
- Disconnect the connector from the multi-display controller.
- Measure the resistance according to the value(s) in the table below.
Resistance
RESISTANCE SPECIFIED CONDITIONTester connection Condition Specified condition GND - Body ground Always Below 1 Ω SELD - Body ground Always Below 1 Ω GAUX - Body ground Always Below 1 Ω NAVI - Body ground Always Below 1 Ω - Measure the voltage according to the value(s) in the table below.
Voltage
VOLTAGE SPECIFIED CONDITIONTester connection Condition Specified condition +B1 - GND Always 10 to 14 V ACC - GND Ignition SW ACC 10 to 14 V
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: RETURN TO THE ORIGINAL INSPECTION FLOW BECAUSE THE CHECK RESULT IS NORMAL