Honda HR-V: DTC Troubleshooting 26-120: Lateral Acceleration Sensor (Inside of Modulator-Control Unit) Stuck
NOTE:
- Before you troubleshoot, review the general troubleshooting information.
- The yaw rate-acceleration sensor is built into the VSA modulator-control unit.
- Before troubleshooting, check the VSA modulator-control unit for proper mounting. Improper mounting of the VSA modulator-control unit may set this code.
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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 6 mph (10 km/h) or more.
NOTE: Drive the vehicle on the road, not on a lift.
- Check for DTCs with the HDS.
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Is DTC 26-120 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. Lateral acceleration sensor performance check:
- Turn the vehicle to the OFF (LOCK) mode.
- Test-drive the vehicle.
NOTE: Drive the vehicle on the road, not on a lift.
- Check the parameter(s) below with the HDS while driving around corners.
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Does the indicated value change?
YES
The system is OK at this time.
NO
Go to step 3.
3. VSA modulator-control unit check (update):
- 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 6 mph (10 km/h) or more.
NOTE: Drive the vehicle on the road, not on a lift.
- Check for DTCs with the HDS.
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Is DTC 26-120 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:
DTC Troubleshooting 27-12, 27-13: Steering Angle Sensor Stuck,
Output Signal Malfunction
NOTE:
This DTC may set if the vehicle is driven on a lift (wheels are turning)
and the steering wheel is turned
significantly. This is normal, ignore it.
Before you troubleshoot, review the gene
DTC Troubleshooting 27-15: Steering Angle Sensor Internal Circuit
Malfunction
NOTE: Before you troubleshoot, review the general troubleshooting
information.
DTCs (VSA)
1. Problem verification:
Turn the vehicle to the ON mode.
Clear the DTC with the HDS.
Turn the vehicle t
DTC Troubleshooting 31-11, 32-11, 33-11, 34-11, 35-11, 36-11, 37-11,
38-11: ABS Solenoid Valve Malfunction
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:
Description, Testing
DESCRIPTION
BRAKE SYSTEM DESCRIPTION - OVERVIEW
TESTING
BRAKE BOOSTER TEST
Test
1. Brake Booster Functional - Test
Turn the vehicle to the OFF (LOCK) mode, press the brake pedal several
times to deplete the
vacuum reservoir, then press the brake pedal hard and hold it for 15
seconds. If the
Volume Does Not Increase With Speed (With Navigation)
NOTE:
Check the vehicle 12 volt battery condition first.
Check for B-CAN DTCs and resolve them before troubleshooting.
Check the connectors for poor connections or loose terminals.
1. Problem verification.
Test-drive the vehicle at freeway speeds, and monitor if the volume
increases.
Does the
