1. Clear the DTCs with the HDS.
2. Turn the ignition switch to ON (II), then wait for 10 seconds.
3. Check for DTCs with the HDS.
Is DTC 41-1x indicated?
YES -
Go to step 4.
NO -
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, troubleshoot the DTC.?
4. Turn the ignition switch to LOCK (0).
5. Disconnect the negative cable from the battery, then wait at least 3 minutes.
6. Check the connections between SRS unit connector A (39P) and the SRS unit, between the left engine compartment wire harness 2P
connector and the left front impact sensor See: Restraints and Safety Systems/Air Bag Systems/Impact Sensor/Service and Repair/Front
Impact Sensor Replacement.
Are the connections OK?
YES -
Go to step 7.
NO -
Repair the poor connections, then clear the DTC, and retest.?
7. Disconnect SRS unit connector A (39P) from the SRS unit.
8. Disconnect the left engine compartment wire harness 2P connector from the left front impact sensor.
9. Measure the resistance between SRS unit connector A (39P) terminals No. 36 and No. 37. There should be an open circuit or at least 1
MOhms.
Is the resistance as specified?
YES -
Go to step 10.
NO -
Short to another wire in the left engine compartment wire harness or the dashboard wire harness; replace the faulty harness, then clear the DTC.?
10. Measure the resistance between body ground and SRS unit connector A (39P) terminals No. 36 and No. 37 individually. There should be an
open circuit or at least 1 MOhms.
