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DTC 83-13

DTC 83-13: ECM/PCM Relation Failure
DTC 83-14: ECM/PCM Relation Failure
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS. Turn the ignition switch OFF, then ON (II) again.
3. Test-drive the vehicle.
4. Check for DTCs with the HDS.
Is DTC 83-13, or 83-14 indicated?
YES - Go to step 5.
NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the brake pedal position switch, the ECM/PCM, and the VSA modulator-control unit. Refer to intermittent failure.
5. Check the PGM-FI DTCs with the HDS.
Are there PGM-FI DTCs indicated?
YES - Go to the indicated DTCs troubleshooting.
NO - Check for loose terminals in the VSA modulator-control unit 37P connector. If necessary, substitute a known-good VSA modulator-control unit and retest. If DTCs are not indicated, replace the VSA modulator-control unit.