Manufacturer Code Charts: 67

Advanced Hydraulic Booster DTC Troubleshooting: 67

DTC 67:

IG1 Voltage Malfunction

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

2. Check the No. 4 (7.5 A) fuse in the under-dash fuse/relay box.

Is the fuse blown?

YES -

Go to step 8.

NO -

Reinstall the checked fuse, then go to step 3.

3. Check the 12 V battery voltage.

Is the voltage OK?

YES -

Go to step 4.

NO -

Check the 12 V battery performance Testing and Inspection, then go to step 1 and recheck.

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

5. Clear the DTC with the HDS.

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

7. Check for DTCs with the HDS.

Is DTC 67 indicated?

YES -

Replace the servo unit Service and Repair.�

NO -

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

8. Disconnect the servo unit 25P connector.

9. Check for continuity between servo unit 25P connector terminal No. 16 and body ground.





Is there continuity?

YES -

Repair a short to body ground in the wire between the No. 4 (7.5 A) fuse and the servo unit.�

NO -

Install a new No. 4 (7.5 A) fuse in the under-dash fuse/relay box, then go to step 10.

10. Reconnect the servo unit 25P connector.

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

12. Clear the DTC with the HDS.

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

14. Check for DTCs with the HDS.

Is DTC 67 indicated?

YES -

Replace the servo unit Service and Repair.�

NO -

Troubleshooting is complete.�