B1036

DTC Troubleshooting: B1036

DTC B1036:

IG1 Power Supply Circuit Malfunction

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.

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 connections at the under-dash fuse/relay box connector Q (16P). If the connections are good, check the 12 volt battery condition 12 Volt Battery Test and the charging system.

5. Measure the voltage between gauge control module 32P connector terminal No. 15 and body ground.





Is there battery voltage?

YES -

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

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

- Canada model 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.