B11C7

DTC Troubleshooting: B11C7

DTC B11C7:

Passenger's MICU IG1 Line Input Error

NOTE:

- Before troubleshooting check the No. 5 (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 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 B11C7 indicated?

YES -

Go to step 5.

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 Testing and Inspection and the charging system.�

5. Check the DTCs with the HDS.

Is DTC B11C7 indicated with DTC U1282?

YES -

Go to DTC U1282 troubleshooting U1282.�

NO -

Go to step 6.

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

7. Disconnect passenger's under-dash fuse/relay box connector A (38P).

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

9. Measure the voltage between passenger's under-dash fuse/relay box connector A (38P) terminal No. 35 and body ground.





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.�