B1036

DTC Troubleshooting: B1036

DTC B1036: IG1 Line Input Error

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 6 seconds or more.

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 (tach) 36P connector, and at under-dash fuse/relay box connector Q (16P). If the connections are good, check the battery condition Testing and Inspection and the charging system.


5. Check for DTCs with the HDS.

Is DTC B1008 indicated with DTC B1036?
YES - Troubleshoot the indicated DTC.

NO - Go to step 6.


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

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

8. Measure the voltage between the gauge control module (tach) 36P connector terminal No. 17 and body ground.

Is there battery voltage?
YES - Faulty MICU; substitute a known-good under-dash fuse/relay box and recheck. Under-Dash Fuse/Relay Box Removal and Installation

NO - Check No. 10 (7.5 A) fuse in the under-dash fuse/relay box. If the fuse is OK, check for an open in the wire between the under-dash fuse/relay box and the gauge control module (tach), or repair a short in the wire between the under-dash fuse/relay box and the gauge control module (tach).