Honda HR-V: 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 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 B0072-11 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 (RRP+, RRP- lines) 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)
- Measure the resistance between test points 1 and 2.
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Is there an open circuit?
YES
The RRP+ and RRP- wires are OK. Replace the SRS unit.
NO
Go to step 3.
3. Shorted wire check (RRP+, RRP- lines) 2:
- Remove the right 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.
Front passenger's seat belt tensioner 2P connector (on the floor wire
harness)
- Measure the resistance between test points 1 and 2.
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Is there an open circuit?
YES
The RRP+ and RRP- wires are OK. Faulty front passenger's seat belt tensioner;
replace the front
passenger's seat belt, then clear the DTC.
NO
Short to ground in the floor wire harness; replace the floor wire harness,
then clear the DTC.
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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
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
SEE MORE:
LaneWatch Symptom Troubleshooting - Does not switch to the Lanewatch
screen
Does not switch to the Lanewatch screen
1. Lanewatch camera check:
Start the engine.
Go into the System Diagnostic Mode, and select the Detail Information &
Setting.
Audio unit - Refer to: Audio System Sound Qua
FCW Indicator
When the FCW system is OK, the FCW indicator comes on for about 5 seconds
after turning the vehicle to the
ON mode, then it goes off.
When the FCW system detects a problem while operating, the FCW system stops
working, then the FCW
indicator (amber) stays on.
NOTE: The FCW system c