DTC Troubleshooting: 53-01, 53-12

DTC 53-01:  Motor Relay Stuck ON 1
  
  

1.Turn the ignition switch ON (II).

2.Clear the DTC with the HDS.

3.Turn the ignition switch OFF, then turn it ON (II) again.

4.Check for DTCs with the HDS.

Is DTC 53-01 or 53-12 indicated?


YES - Go to 5.


NO - Intermittent failure, the system is OK at this time. Check for loose terminals at the ABS modulator-control unit 25P connector. Refer to intermittent failures troubleshooting.n


5.Turn the ignition switch OFF.

6.Disconnect the ABS modulator-control unit 25P connector.

7.Check for continuity between ABS modulator-control unit 25P connector terminal No. 25 and body ground.

 

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 and retest: Except K20Z2 engine model, K20Z2 engine model.n


NO - Repair open in the wire between the ABS modulator-control unit and body ground (G202).n