Vehicle Speed Signal Circuit between Radio Receiver and Extension Module: Procedure
- CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - EXTENSION MODULE)
- Disconnect the radio and display receiver assembly connector.
- Disconnect the extension module connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition b2-2 (SPD) - b1-18 (SPD) Always Below 1 Ω b2-2 (SPD) - 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