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9721 LEFT ROTATION RELAY CONTROL CIRCUIT OPEN/SHORT TO B(+) (CONTINUED) • When Monitored: With the ignition on, the Power Top Control Module (PTCM) continuously senses the • Set Condition: When the PTCM senses B(+) on the Left Rotation Relay Control circuit. Possible Causes LEFT ROTATION RELAY OPEN LEFT ROTATION RELAY CONTROL CIRCUIT OPEN ROTATION RELAY GROUND CIRCUIT LEFT ROTATION RELAY CONTROL CIRCUIT SHOR TO B(+) POWER TOP CONTROL MODULE Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Diagnostic Test 1. Read DTCs Turn the ignition on. With the DRBIII T , read Current DTCs. Are both Right/Left Relay Control Circuit Open/Short to B(+) Yes >> Go To 6 No >> Go To 2 2. Left Rotation Relay Control Circuit For Short To B(+) Turn the ignition off. Disconnect the PTCM C2 harness connector. Note: Check connectors — Clean/repair as necessary. Measure the voltage of the Left Rotation Relay Control circuit at the Is the voltage below 1.0 volts? Yes >> Go To 3 No >> Repair the Left Rotation Relay Control circuit for a short to B(+). Perform POWER TOP CONTROL MODULE VERIFICA- ZH CONVERTIBLE TOP 23 - 111 |