DTC Troubleshooting: 83

DTC 83:  PCM


1.Check the DTC.

Is DTC 86 indicated?


YES - Do the troubleshooting for DTC 86.n


NO - Go to 2.


2.Clear the DTC.

3.Test-drive the vehicle.

Do the VSA system and VSA activation indicators come on, and is DTC 83 indicated?


YES - Go to 4.


NO - The system is OK at this time.n


4.Check the PGM-FI system.

Does the MIL indicator come on or is PCM's DTC indicated?


YES - Do the aplicable troubleshooting for PCM.n


NO - Go to 5.


5.Check the gear position.

Does the D4 indicator come on while neutral position (N) selected or is PCM's DTC indicated?


YES - Do the aplicable troubleshooting for PCM.n


NO - Check for loose terminals at the PCM connectors, and go to 6.


6.Clear the DTC.

7.Test-drive the vehicle.

Is DTC 83 indicated? and no PCM's DTC?


YES - Replace the VSA modulator-control unit.n


NO - The system is OK at this time.n