3. Check for DTCs with the HDS.
Is DTC 21-1x or 21-2x 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. Remove the B-pillar lower trim, then disconnect the floor wire harness 4P connector (A) from the driver's seat belt tensioner.
7. Connect the SRS inflator simulator (2 Ohms connectors) and simulator lead K to the floor wire harness.
8. Reconnect the negative cable to the battery.
9. Clear the DTCs with the HDS.
10. Check for DTCs with the HDS.
Is DTC 21-1x or 21-2x indicated?
YES -
Go to step 11.
NO -
Open or increased resistance in the driver's seat belt tensioner; replace the driver's seat belt See: Restraints and Safety Systems/Seat Belt
Systems/Seat Belt/Service and Repair/Front Seat Belt Replacement, then clear the DTC.?
11. Turn the ignition switch to LOCK (0).
12. Disconnect the negative cable from the battery, then wait at least 3 minutes.
13. Disconnect SRS unit connector B (39P) from the SRS unit.
14. Connect the SRS short canceller (070AZ-SAA0100) to SRS unit connector B (39P) terminals No. 12 and No. 13.
15. Measure the resistance between SRS unit connector B (39P) terminals No. 12 and No. 13. There should be 2.0-3.0 Ohms.
