( TF09E00K791000R218XFAAT00 )
SRS DTC Troubleshooting: 21-8x
DTC 21-8x (‘‘x'' can be 0 thru 9 or A thru F):
Short to Power in the Left Side Seat Belt Tensioner
NOTE:
  1. Turn the ignition switch to ON (II), then wait for 10 seconds.
Is DTC 21-8x 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. Turn the ignition switch to ON (II), then wait for 10 seconds.
  1. Measure the voltage between the No. 12 and the No. 13 terminals of SRS unit connector B (39P) and body ground. There should be less than 1 V.
Is the voltage as specified?
YES -
Faulty SRS unit; replace the SRS unit. ■
NO -
Go to Step 11 .
  1. Turn the ignition switch to LOCK (0).
  1. Turn the ignition switch to ON (II), then wait for 10 seconds.
  1. Measure the voltage between the No. 12 and the No. 13 terminals of SRS unit connector B (39P) and body ground. There should be less than 1 V.
Is the voltage as specified?
YES -
Faulty left side seat belt tensioner; replace the left side seat belt tensioner. ■
NO -
Short to power in the floor wire harness; replace the floor wire harness.■