Honda HR-V: DTC B12E3 Electric Steering Lock High Level Failure of MTRCUT1
![Keyless Access Power Control Unit - Diagnostics](images/books/1097/index 78(25).png)
DTC (Power Control Unit)
NOTE:
- If you are troubleshooting multiple DTCs, be sure to follow the
instructions in B-CAN System Diagnosis
Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System
Diagnosis Test Mode A -
Initial Communication and DTC Checks.
- Before troubleshooting, make sure the No. C32 (15 A) and No. C3 (10 A)
fuses in the under-dash
fuse/relay box are OK.
1. Problem verification:
- Clear the DTCs with the HDS.
Clear DTCs
- Do this procedure 10 times: Turn the vehicle to the OFF (LOCK) mode,
ACCESSORY mode, ON
mode, and OFF (LOCK) mode.
- Check for DTCs with the HDS.
![Keyless Access Power Control Unit - Diagnostics](images/books/1097/index 79(23).png)
Is DTC B12E3 indicated?
YES
Go to step 2.
NO
Intermittent failure, the system is OK at this time. Check for loose or poor
connections.
2. Open wire check (GND line):
- Turn the vehicle to the OFF (LOCK) mode.
- Disconnect the following connector.
Electric steering lock 12P connector
- Check for continuity between test points 1 and 2.
![Keyless Access Power Control Unit - Diagnostics](images/books/1097/index 80(24).png)
![Keyless Access Power Control Unit - Diagnostics](images/books/1097/index 81(24).png)
Is there continuity?
YES
The GND wire is OK. Go to step 3.
NO
Repair an open or high resistance in the ground wire or poor ground (G401).
3. Open wire check (MTR CUT1 (CONT) line):
- Disconnect the following connector.
Keyless access control unit connector B (36P)
- Check for continuity between test points 1 and 2.
![Keyless Access Power Control Unit - Diagnostics](images/books/1097/index 82(24).png)
![Keyless Access Power Control Unit - Diagnostics](images/books/1097/index 83(24).png)
Is there continuity?
YES
The MTR CUT1 (CONT) wire is OK. Faulty electric steering lock, replace the
steering lock. If the DTC is still present, replace the keyless access control
unit.
NO
Repair an open or high resistance in the wire.
READ NEXT:
DTC (Power Control Unit)
NOTE:
If you are troubleshooting multiple DTCs, be sure to follow the
instructions in B-CAN System Diagnosis Test Mode A - Refer to: Body
Electrical Troubleshooting - B
DTC (Power Control Unit)
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the
instructions in B-CAN System
Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN
DTC (Power Control Unit)
NOTE:
If you are troubleshooting multiple DTCs, be sure to follow the
instructions in B-CAN System Diagnosis Test Mode A - Refer to: Body
Electrical Troubleshooting - B
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NOTE: Examples used in this article are general in nature and do not
necessarily relate
to a specific engine or system. Illustrations and procedures have been chosen
to guide mechanic through engine overhaul process. Descriptions of processes
of cleaning, inspection, asse
COMPONENT LOCATION INDEX
REAR DIFFERENTIAL COMPONENT LOCATION INDEX (AWD)
DESCRIPTION
REAR DIFFERENTIAL SYSTEM DESCRIPTION - AWD SYSTEM (AWD)
Overview
Adopts the All Wheel Drive (AWD) as the rear differential. The AWD features a
built-in real-time controlling
mechanism that distributes the rear w