DTC Troubleshooting: B1036

DTC B1036:  IG1 Line Input Error

1.Clear the DTCs with the HDS.

2.Turn the ignition switch OFF, and then back ON (II).

3.Wait for 6 seconds or more.

4.Check for DTCs with the HDS.

Is DTC B1036 indicated?


YES - Go to 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 the under-dash fuse/relay box connector Q (16P). If the connections are good, check the battery condition and the charging system.n


5.Check for DTCs with the HDS.

Is DTC B1008 indicated with DTC B1036?


YES - Go to the indicated DTC troubleshooting.n


NO - Go to 6.

6.Check for voltage between the gauge control module (tach) 36P connector No. 17 terminal and body ground.

 

Is there battery voltage?


YES - Faulty MICU or an open in the under-dash fuse/relay box internal circuit. Substitute a known-good under-dash fuse/relay box and recheck.n


NO - Check for No. 10 (7.5 A) 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).n