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.
.png)
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.
.png)
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.
.png)
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.
.png)
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:
DTC B0070-13
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
DTC B0070-1A
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
DTC B0072-11
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:
Valve Springs
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, assembly and machine shop pract
Rear Differential Breather Box and Hose Removal and Installation (AWD)
Removal & Installation
1. Vehicle - Lift
2. Rear Differential Breather Box and Hose - Remove
Rear differential pump motor
Rear differential
Disconnect the breather hoses
(A).
Remove the breather hoses (A)
Remove the breather box (B).
3. All Removed Parts - Install
Install the parts
