Sound Signal Circuit between Multi-display and Multi-media Interface ECU: Procedure
- CHECK HARNESS AND CONNECTOR (DISPLAY AND NAVIGATION MODULE DISPLAY - MULTI-MEDIA INTERFACE ECU)
- Disconnect the display and navigation module display connector.
- Disconnect the multi-media interface ECU connector.
- Measure the resistance according to the value(s) in the table below.STANDARD RESISTANCE
Tester Connection Condition Specified Condition J63-1 (AGND) - J99-1 (USD1) Always Below 1 Ω J63-3 (VAR+) - J99-2 (URO+) Always Below 1 Ω J63-4 (VAL+) - J99-3 (ULO+) Always Below 1 Ω J63-7 (VA-) - J99-4 (UGD1) Always Below 1 Ω J63-1 (AGND) - Body ground Always 10 kΩ or higher J63-3 (VAR+) - Body ground Always 10 kΩ or higher J63-4 (VAL+) - Body ground Always 10 kΩ or higher J63-7 (VA-) - Body ground Always 10 kΩ or higher
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK → See step 2
- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE