ABS (Without VSA)

ABS DTC Troubleshooting: 86-01

DTC 86-01: F-CAN Bus-off Malfunction

1. Turn the ignition switch to ON (II).

2. Clear the DTC with the HDS.

3. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.

4. Check for DTCs with the HDS.

Is DTC 86-01 indicated?
YES - Go to step 5.

NO - Intermittent failure, the system is OK at this time. Check for loose terminals between ECM/PCM connector A (44P) and the ABS modulator-control unit 25P connector. Refer to intermittent failures troubleshooting. How To Troubleshoot The ABS (Without VSA)


5. Turn the ignition switch to LOCK (0).

6. Short the SCS line with the HDS.

7. Disconnect ECM/PCM connector A (44P).

8. Disconnect the ABS modulator-control unit 25P connector: Except Si model, Service and Repair Si model. Service and Repair

9. Check for continuity between ABS modulator-control unit 25P connector terminal and ECM/PCM connector A (44P) terminal (see table).





Is there continuity?
YES - Check for loose terminals in the ABS modulator-control unit 25P connector. If necessary, substitute a known-good ABS modulator-control unit: Except Si model, Service and Repair Si model, Service and Repair and retest.

NO - Repair open in the wire between the ECM/PCM and the ABS modulator-control unit.