Sound Signal Circuit between Radio Receiver and Multi-media Interface ECU: Procedure
- CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - MULTI-MEDIA INTERFACE ECU)
- Disconnect the radio receiver assembly and multi-media interface ECU connectors.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition E16-1 (CSLD) - E31-1 (USD1) Always Below 1 Ω E16-2 (CDR+) - E31-2 (URO+) Always Below 1 Ω E16-3 (CDR-) - E31-3 (URO-) Always Below 1 Ω E16-4 (CDL+) - E31-4 (ULO+) Always Below 1 Ω E16-5 (CDL-) - E31-5 (ULO-) Always Below 1 Ω E16-1 (CSLD) - Body ground Always 10 kΩ or higher E16-2 (CDR+) - Body ground Always 10 kΩ or higher E16-3 (CDR-) - Body ground Always 10 kΩ or higher E16-4 (CDL+) - Body ground Always 10 kΩ or higher E16-5 (CDL-) - 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