DTC 71-1x
DTC 71-1x ("x" can be 0 thru 9 or A thru F) Open in Driver's Seat Position Sensor1. Erase the DTC memory.
2. Turn the ignition switch ON (II), and check that the SRS indicator comes on for about 6 seconds and then goes off.
Does the SRS indicator stay on, and is DTC 71-1x indicated?
YES - Go to step 3.
NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. Troubleshooting Intermittent Failures If another DTC is indicated, go to the DTC Troubleshooting Index. DTC List - Supplemental Restraint System
3. Check the connection between the driver's seat wire harness 2P connector and the driver's seat position sensor.
4. Erase the DTC memory.
5. Check for a DTC.
Is DTC 71-1x indicated?
YES - Go to step 6.
NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. Troubleshooting Intermittent Failures If another DTC is indicated, go to the DTC Troubleshooting Index. DTC List - Supplemental Restraint System
6. Turn the ignition switch OFF. Disconnect the negative cable from the battery, and wait for 3 minutes.
7. Disconnect the driver's airbag 4P connector (A) from the cable reel.
8. Disconnect the driver's seat wire harness 2P connector from the driver's seat position sensor (A).
9. Connect the No. 1 and No. 2 terminals of the driver's seat wire harness 2P connector with a jumper wire.
10. Disconnect both seat belt tensioner 2P connectors (A).
11. Disconnect SRS unit connector B (28P) front the SRS unit.
12. Check resistance between the No. 2 and No. 3 terminals of SRS unit connector B (28P). There should be less than 1.0 ohm.
Is the resistance as specified?
YES - Faulty driver's seat position sensor or SRS unit replace the driver's seat position sensor . If the problem is still present, replace the SRS unit.
NO - Go to step 13.
13. Disconnect SRS harness 28P connector C854 (A) from SRS subharness connector C854 (B).
14. Check resistance between the No. 27 and No. 28 terminals of SRS harness 28P connector C854. There should be less than 1.0 ohm.
Is the resistance as specified?
YES - Open in the SRS subharness replace the SRS subharness.
NO - Go to step 15.
15. Disconnect the driver's seat wire harness 2P connector C606 from the SRS harness.
16. Check resistance between the No. 1 and No. 2 terminals of the driver's seat wire harness 2P connector C606. There should be less than 1.0 ohm.
Is the resistance as specified?
YES - Open in the SRS harness replace the SRS harness.
NO - Open in the driver's seat wire harness replace the driver's seat wire harness.