Inspection Procedure
WARNING: This page is about a different car, the 2004 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
- Check for open or short circuit in harness and connector between navigation ECU and television camera ECU.
- Disconnect the connector from navigation ECU and television camera ECU.
- Measure the resistance according to the value(s) in the table below.
Standard:
NAVIGATION ECU AND TELEVISION CAMERA ECU CONNECTOR SPECIFIED CONDITIONTester connection Condition Specified condition R - R1 Always Below 1 Ω G - G1 Always Below 1 Ω B - B1 Always Below 1 Ω SYNC - SYN1 Always Below 1 Ω VR - VR1 Always Below 1 Ω VG - VG1 Always Below 1 Ω R - Body ground Always 10 kΩ or higher G - Body ground Always 10 kΩ or higher B - Body ground Always 10 kΩ or higher SYNC - Body ground Always 10 kΩ or higher VR - Body ground Always 10 kΩ or higher Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- NG: Repair or replace harness or connector.
- OK: Go to next step
- Check for open or short circuit in harness and connector between television camera ECU and multi-display assembly.
- Disconnect the connector from the television camera ECU and multi-display assy.
- Measure the resistance according to the value(s) in the table below.
Standard:
TELEVISION CAMERA ECU AND MULTI-DISPLAY ASSY CONNECTOR SPECIFIED CONDITIONTester connection Condition Specified condition R - R Always Below 1 Ω G - G Always Below 1 Ω B - B Always Below 1 Ω SYNC - SYNC Always Below 1 Ω VR - VR Always Below 1 Ω VG - VG Always Below 1 Ω R - Body ground Always 10 kΩ or higher G - Body ground Always 10 k kΩ or higher B - Body ground Always 10 kΩ or higher SYNC - Body ground Always 10 k kΩ or higher VR - Body ground Always 10 k kΩ or higher Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- NG: Repair or replace harness or connector.
- OK: Proceed to next circuit inspection shown in. (See PROBLEM SYMPTOMS TABLE )