Display Signal Circuit between Navigation ECU and Multi-display: Procedure
- CHECK HARNESS AND CONNECTOR (NAVIGATION ECU - MULTI-DISPLAY)
- Disconnect the navigation ECU connector and multi-display connector.
- Measure the resistance according to the value(s) in the table below.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard Resistance
Tester Connection Condition Specified Condition q2-1 (GVO+) - q1-1 (GVI+) Always Below 1 Ω q2-2 (GVO-) - q1-2 (GVI-) Always Below 1 Ω q2-3 (GVG2) - q1-3 (GVG1) Always Below 1 Ω q2-1 (GVO+) - Body ground Always 10 kΩ or higher q2-2 (GVO-) - Body ground Always 10 kΩ or higher
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK → See step 2
- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE