B1036

DTC Troubleshooting: B1036

DTC B1036:

IG1 Power supply Circuit Malfunction

NOTE:

- If you are troubleshooting multiple DTC's, be sure to follow the instruction in B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.
- Before troubleshooting, make sure the No. 22 (7.5 A) fuse in the under-dash fuse/relay box is OK.

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to LOCK (0) and then back to ON (II).

3. Wait for at least 6 seconds.

4. Check for DTCs with the HDS.

Is DTC B1036 indicated?

YES -

Go to step 5.

NO -

Intermittent failure, the system is OK at this time. Check for loose or poor connection at the gauge control module 32P connector, and at under-dash fuse/relay box connector Q (16P). If the connections are good, check the battery condition Battery Test and the charging system.

5. Measure the voltage between the gauge control module 32P connector terminal No. 32 and body ground.





Is there battery voltage?

YES -

Faulty MICU; replace the under-dash fuse/relay box.

- USA models Under-Dash Fuse/Relay Box Removal and Installation (USA Models)
- Canada models Under-Dash Fuse/Relay Box Removal and Installation (Canada Models)

NO -

Repair an open or high resistance in the wire between the under-dash fuse/relay box and the gauge control module.