Manufacturer Code Charts: 14

Advanced Hydraulic Booster DTC Troubleshooting: 14

DTC 14:

Motor Stuck ON

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. Wait at least 2 minutes.

5. Check for DTCs with the HDS.

Is DTC 14 indicated?

YES -

Go to step 6.

NO -

Intermittent failure, the system is OK at this time. Check for loose terminals at the servo unit25P connector. Refer to intermittent failures troubleshooting.�

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

7. Check for brake fluid leakage at the servo unit and the power unit hose and line joints Testing and Inspection.

Is there a fluid leak?

YES -

Repair the brake fluid leak Testing and Inspection.�

NO -

Go to step 8.

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

9. Clear the DTC with the HDS.

10. Turn the ignition switch to LOCK (0), then press the brake pedal 20 times.

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

12. Wait at least 2 minutes.

13. Check for DTCs with the HDS.

Is DTC 14 indicated?

YES -

Replace the servo unit Service and Repair.�

NO -

If DTC 11 is indicated, do the DTC 11 troubleshooting first Advanced Hydraulic Booster. If no DTC are indicated the system is OK at this time. Check for loose terminals at the servo unit.�