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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 (see 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 gauge control module 36P connector and under-dash fuse/relay box connector Q (16P). If the connections are good, check the battery condition (see BATTERY TEST ) and the charging system.

  5. Check for DTCs with the HDS.

    Is DTC B1008 indicated with DTC B1036? 

    YES  -Go to DTC B1008 TROUBLESHOOTING .

    NO  -Go to step 6.

  6. Turn the ignition switch to LOCK (0).
  7. Turn the ignition switch to ON (II).
  8. Measure voltage between the gauge control module 36P connector terminal No. 36 and body ground.
    Fig 1: Measuring Voltage Between Gauge Control Module 36P Connector Terminal No. 36 And Body Ground
    G06612156Courtesy of AMERICAN HONDA MOTOR CO., INC.

    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 (see REMOVAL AND INSTALLATION ) and recheck.

    NO  -Check the 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, or repair a short in the wire between the under-dash fuse/relay box and the gauge control module.