Honda HR-V: DTC B0070-12
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 part number,
and that they were properly installed.
- Before doing this troubleshooting procedure, review SRS Precautions and
Procedures, General
Troubleshooting Information, and 12 Volt Battery Terminal Disconnection and
Reconnection.
- Before replacing the SRS unit, check the SRS unit software version with
the HDS. If the software version
is not the latest, update the SRS unit software, and retest.
DTC (SRS)
1. Problem verification.
- Clear the DTCs with the HDS.
- Clear DTCs
Turn the vehicle to the ON mode, then wait for 10 seconds.
- Check for DTCs with the HDS.
Is DTC B0070-12 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. Go to Troubleshooting
Intermittent Failures. If
another DTC is indicated, troubleshoot the DTC.
2. Shorted wire check (LRP+, LRP- lines to power) 1:
- Turn the vehicle to the OFF (LOCK) mode.
- Disconnect the negative cable from the 12 volt battery, then wait at
least 3 minutes.
- Disconnect the following connector.
SRS unit connector B (39P)
- Reconnect the negative cable to the 12 volt battery.
- Turn the vehicle to the ON mode.
- Measure the voltage between test points 1 and 2.
Is there 0.2 V or less?
YES
The LRP+ and LRP- wires are OK. Replace the SRS unit.
NO
Go to step 3.
3. Shorted wire check (LRP+, LRP- lines to power) 2:
- Turn the vehicle to the OFF (LOCK) mode.
- Disconnect the negative cable from the 12 volt battery, then wait at
least 3 minutes.
- Remove the left side B-pillar lower trim - Refer to: Interior Trim
Removal and Installation - Pillar
Areas (With Side Curtain Airbag), or Interior Trim Removal and Installation
- Pillar Areas (Without
Side Curtain Airbag).
- Disconnect the following connector.
Driver's seat belt tensioner 2P connector (on the floor wire harness)
- Reconnect the negative cable to the 12 volt battery.
- Turn the vehicle to the ON mode.
- Measure the voltage between test points 1 and 2.
Is there 0.2 V or less?
YES
The LRP+ and LRP- wires are OK. Faulty driver's seat belt tensioner; replace
the driver's seat belt,
then clear the DTC.
NO
Short to power in the floor wire harness; replace the floor wire harness,
then clear the DTC.
READ NEXT:
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 pa
Special Tools Required
SRS Short Canceller 070AZ-SAA0100
NOTE:
Before doing this troubleshooting procedure, find out if the vehicle was
in a collision. If so, verify
that all the required compone
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 pa
SEE MORE:
* PLEASE READ THIS FIRST *
This article is intended for general information purposes only. This
information may not apply to all makes and
models. If vehicle is equipped with Anti-Lock Brake System (ABS), refer to
appropriate ANTI-LOCK BRAKE
SYSTEM article in the BRAKES section for description, op
1. Door lock actuator operation check 1.
Remove all the keyless remotes from inside the vehicle, and close all
doors and the tailgate.
Push each LOCK and UNLOCK buttons of the keyless remote, at least 10
times.
Do the door lock actuators work normally?
YES
Intermittent failure, the system is