DTC Troubleshooting: 83-13, 83-14

DTC 83-13:  PCM Communication Error
  
  

1.Turn the ignition switch ON (II).

2.Clear the DTC with the HDS.

3.Test-drive the vehicle.

4.Check for DTCs with the HDS.

Is DTC 83-13, or 83-14 indicated?


YES - Go to 5.


NO - Intermittent failure, the system is OK at this time. Check for loose terminals between the PCM connector A (44P), and the VSA modulator-control unit 37P connector. Refer to intermittent failures troubleshooting.n


5.Turn the ignition switch OFF.

6.Substitute a known-good PCM: R18A1 engine model, K20Z2 engine model.

7.Turn the ignition switch ON (II).

8.Clear the DTC with the HDS.

9.Test-drive the vehicle.

10.Check for DTCs with the HDS.

Is DTC 83-13, 83-14 indicated?


YES - Replace the VSA modulator-control unit.n


NO - Replace the original PCM: R18A1 engine model, K20Z2 engine model.n