Honda HR-V: DTC Troubleshooting 12-12, 14-12, 16-12, 18-12: Wheel Speed Sensor Short to
the Other Sensor Circuit
NOTE:
- Before you troubleshoot, review the general troubleshooting information.
- These DTCs may be caused by electrical interference. Check for
aftermarket devices installed in the
vehicle when these DTCs are indicated.
1. Problem verification:
- Turn the vehicle to the ON mode.
- Clear the DTC with the HDS.
- Turn the vehicle to the OFF (LOCK) mode.
- Test-drive the vehicle at 12 mph (20 km/h) or more, and go a distance of
328 ft (100 m) or more.
NOTE: Drive the vehicle on the road, not on a lift.
- Check for DTCs with the HDS.
Is DTC 12-12, 14-12, 16-12, or 18-12 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. Refer to intermittent
failures troubleshooting.
2. Shorted wire check (Wheel speed sensor lines wire to wire):
- Turn the vehicle to the OFF (LOCK) mode.
- Disconnect the following connector.
VSA modulator-control unit 21P connector
- Check for continuity between the appropriate VSA modulator-control unit
21P connector wheel speed
sensor GND terminals (see table).
Is there continuity?
YES
Repair a short in the wires between the appropriate wheel speed sensor and
the VSA modulator-control
unit.
NO
The wheel speed sensor wires are OK. Go to step 3.
3. VSA modulator-control unit check (update):
- Reconnect the following connector.
VSA modulator-control unit 21P connector
- Update the VSA modulator-control unit if it does not have the latest
software.
- Turn the vehicle to the OFF (LOCK) mode.
- Test-drive the vehicle at 12 mph (20 km/h) or more, and go a distance of
328 ft (100 m) or more.
NOTE: Drive the vehicle on the road, not on a lift.
- Check for DTCs with the HDS.
Is DTC 12-12, 14-12, 16-12, or 18-12 indicated?
YES
Check for loose terminals in the VSA modulator-control unit 21P connector. If
the VSA modulator-control
unit was updated and the symptom/indication is still present, replace the VSA
modulator-control
unit.
NO
Troubleshooting is complete. If any other DTCs are indicated, go to the
indicated DTCs troubleshooting.
READ NEXT:
NOTE: Before you troubleshoot, review the general troubleshooting
information.
1. Problem verification:
Turn the vehicle to the ON mode.
Clear the DTC with the HDS.
Turn the vehicle to the OFF (
NOTE: Before you troubleshoot, review the general troubleshooting
information.
1. Wheel speed sensor performance check:
Test-drive the vehicle in a straight line at 6 mph (10 km/h) or more.
NOTE:
NOTE: Before you troubleshoot, review the general troubleshooting
information.
1. Problem verification:
Turn the vehicle to the ON mode.
Clear the DTC with the HDS.
Turn the vehicle to the OFF (
SEE MORE:
Special Tools Required
SRS Inflator Simulator 07SAZ-TB4011A
SRS Simulator Lead L 070AZ-SNAA300
NOTE:
Before doing this troubleshooting procedure, find out if the vehicle was
in a collision. If so, verify
that all the required components were replaced with new components of the
correct par
COOLANT CHECK
Check
1. Coolant - Check
Check the coolant level in the coolant reservoir. Make sure it is
between the MAX
mark (A) and the MIN mark (B)
If the coolant level in the coolant reservoir is at or below the MIN
mark, add
coolant to bring it between the MIN and MAX marks, then insp