DTC 13-4
DTC 13-4: Faulty power supply to the driver'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 side wire harness 2P connectors from the driver's and front passenger's side airbags.
5. Disconnect the left side wire harness 2P connector (A) from the driver's side impact sensor (B).
6. Disconnect the SRS main harness 14P connector (A) from the SRS unit (B).
SRS Main Harness 14P Connector (Wire Side Of Female Terminals):
7. Check resistance between the No.6 terminal of the SRS main 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 main harness or in the left side wire harness; replace the faulty harness.
SRS Main Harness 14P Connector (Wire Side Of Female Terminals):
8. Check resistance between the No.6 and No.11 terminals of the SRS main harness 14P connector. There should be 1 M ohm or more.
Is the resistance as specified?
YES - Faulty driver's side impact sensor or SRS unit; replace the driver's side impact sensor. If the problem is still present, replace the SRS unit.
NO - Short to another wire in the SRS main harness or in the left side wire harness; replace the faulty harness.