DTC Troubleshooting: B1036

DTC B1036:
 IG1 Line Input Error
  1. Clear the DTCs with the HDS.
  1. Turn the ignition switch OFF, and then back ON (II).
  1. Wait for 6 seconds or more.
  1. 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 the under-dash fuse/relay box connector Q (16P). If the connections are good, check the battery condition and the charging system.■
  1. Check for DTCs with the HDS.
Is DTC B1008 indicated with DTC B1036?
YES -
Go to DTC B1008 troubleshooting.■
NO -
Go to Step 6 .
  1. Measure 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.■
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).■