Honda HR-V: DTC B12E4 Electric Steering Lock High Level Failure of MTRCUT2
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.
Is DTC B12E4 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.
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 CUT2 (IG1) line):
- Disconnect the following connector.
Keyless access control unit connector B (36P)
- Check for continuity between test points 1 and 2.
Is there continuity?
YES
The MTR CUT2 (IG1) 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-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
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
SEE MORE:
1. Keyless access system check.
Turn the vehicle to the OFF (LOCK) mode.
Turn the vehicle to the ON mode.
Check the keyless access indicator.
Does the keyless access indicator come on for 2 seconds?
YES
Go to step 2.
NO
Do the gauge control module self-diagnostic function. If the indicator doe
The ignition switch must be in ACCESSORY (I) or ON (II) to use HFL.
To use HFL, you must first pair your Bluetooth-compatible
cell phone to the system while the vehicle
is parked.
Some functions are limited while driving. A message
appears on the screen when the vehicle is moving
and the operation