Inspection Procedure
- CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - NAVIGATION ECU)
- Disconnect the multi-display connector M4 and the navigation ECU connector N3.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
RESISTANCE SPECIFICATIONTester connection Condition Specified condition VOI- - IVI- Always Below 1 Ω VOI+ - IVI+ Always Below 1 Ω VOI- - Body ground Always 10 kΩ or higher VOI+ - Body ground Always 10 kΩ or higher NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
OK: Go to next step
- CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - STEREO COMPONENT AMPLIFIER)
- Disconnect the multi-display connector M4 and stereo component amplifier connector S27 or S29.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
RESISTANCE SPECIFICATIONTester connection Condition Specified condition IVO+ - SS11+ ((1)) Always Below 1 Ω IVO+ - 111+ ((2)) Always Below 1 Ω IVO- - SS11- ((1)) Always Below 1 Ω IVO- -IM- ((2)) Always Below 1 Ω IVO+ - Body ground Always 10 kΩ or higher IVO- - Body ground Always 10 kΩ or higher (1) with Front Center Speaker (2) without Front Center Speaker NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE