DTC B11C7: Passenger's MICU IG1 Line Input Error
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NOTE:
- Before troubleshooting, check the No. B5 (7.5 A) fuse in the driver's under-dash fuse/relay box.
- 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 ).
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0) and then back to ON (II).
- Wait for at least 6 seconds.
- Check for DTCs with the HDS.
Is DTC B11C7 indicated?
YES -go to next step.
NO -Intermittent failure, the system is OK at this time. Check for loose or poor connections. If the connections are good, check the battery condition (see BATTERY TEST ) and the charging system.
- Check the DTCs with the HDS.
Is DTC B11C7 indicated with DTC U1282?
YES -Go to DTC U1282 TROUBLESHOOTING .
NO -Go to next step.
- Measure the voltage between passenger's under-dash fuse/relay box connector A (38P) terminal No. 28 and body ground.Fig 1: Measuring Voltage Between Passenger's Under-Dash Fuse/Relay Box Connector A (38P) Terminal No. 28 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES -Faulty passenger's MICU; substitute a known-good passenger's under-dash fuse/relay box and recheck.
NO -Repair an open or high resistance in the wire between the passenger's under-dash fuse/relay box and driver's under-dash fuse/relay box.