DTC 14-4
DTC 14-4: Faulty power supply to the front passenger's side impact sensor1. Erase the DTC memory.
2. Turn the ignition switch ON (II), and check that the SRS indicator light comes on for about six seconds, and then goes off.
Does the SRS indicator light stay on?
YES - Go to step 3.
NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures.
3. Disconnect the negative battery cable, and wait for three minutes.
4. Disconnect the SRS floor harness 2P connectors from the driver's and front passenger's side airbags.
5. Disconnect the SRS floor harness 2P connector (A) from the front passenger's side impact sensor (B).
6. Disconnect the SRS floor harness 14P connector (A) from the SRS unit (B).
SRS Floor Harness 14P Connector (Wire Side Of Female Terminals):
7. Check resistance between the No.7 terminal of the SRS floor harness 14P connector and body ground. There should be 1 M ohm or more.
Is the resistance as specified?
YES - Go to step 8.
NO - Short to ground in the SRS floor harness; replace the SRS floor harness.
SRS Floor Harness 14P Connector (Wire Side Of Female Terminals):
8. Check resistance between the No.7 and No.12 terminals of the SRS floor harness 14P connector. There should be 1 M ohm or more.
Is the resistance as specified?
YES - Faulty front passenger's side impact sensor or SRS unit; replace the front passenger's side impact sensor. If the problem is still present, replace the SRS unit.
NO - Short to another wire in the SRS floor harness; replace the SRS floor harness.