Honda HR-V: 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 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.
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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.
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Is DTC B0070-1A 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. Driver's seat belt tensioner check:
- 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.
- 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.
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Is DTC B0070-1A indicated?
YES
Go to step 3.
NO
Faulty driver's seat belt tensioner; replace the driver's seat belt, then clear the DTC.
3. Shorted wire check (LRP+ line to LRP- line):
- 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)
- Connect the SRS short canceller to SRS unit connector B (39P) terminals No. 24 and No. 25.
- Measure the resistance between test points 1 and 2.
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Is there an open circuit?
YES
The LRP+ and LRP- wires are OK. Replace the SRS unit.
NO
Short to another wire in the floor wire harness; replace the floor wire harness, then clear the DTC.
READ NEXT:
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
DTC B0072-12
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 pa
DTC B0072-13
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
SEE MORE:
Keyless Access Remote Removal, Installation, and Test
Special Tools Required
Keyless Entry
Checker 07MAJSP00400
Test
NOTE:
If the doors do not lock or unlock with the remote, check the LED on the
remote by pressing the lock or
unlock button. If the LED does not come on, replace the remote battery.
If the doors unlock or lock with the remote, but
DTC B1645, B1647, B1659, B1663 Antenna Circuit Short
NOTE: Refer to the DTC code shown on the display, and then inspect the
connectors and terminals based on
the instructions in the table below.
DTC (Keyless Access Control Unit)
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the
instructions in B-CAN System
Diagnosis Test Mode A
