DTC Troubleshooting: 21-1x

DTC 21-1x (‘‘x'' can be 0, 2 thru 9 or A thru F):
Open in the Left Side Seat Belt Tensioner
NOTE:
  1. Turn the ignition switch to ON (II), then wait for 10 seconds.
Is DTC 21-1x 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.
  1. Turn the ignition switch to LOCK (0).
  1. Install a jumper wire between the No. 2 and the No. 3 terminals of the SRS floor wire harness 4P connector.
Is DTC 21-1x indicated?
YES -
Go to Step 10 .
NO -
Faulty left side seat belt tensioner; replace the left side seat belt tensioner.
  1. Turn the ignition switch to LOCK (0).

  1. Install a jumper wire between the No. 12 and the No. 13 terminals of SRS unit connector B (39P).

  1. Check for continuity between the No. 2 and the No. 3 terminals of SRS floor wire harness 4P connector.
Is there continuity?
YES -
NO -
Open in the SRS floor wire harness; replace the SRS floor wire harness.■