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SRS DTC Troubleshooting: 12-6x

DTC 12-6x (‘‘x'' can be 0 thru 9 or A thru F):
Short to Another Wire or Decreased Resistance in the Driver's Airbag Second Inflator (RHD model)
Special Tools Required

SRS short canceller
 070AZ-SAA0100
NOTE:
  1. Turn the ignition switch to ON (II), then wait for 10 seconds.
Is DTC 12-6x 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. Disconnect the negative cable from the battery, then wait at least 3 minutes.
Is DTC 12-6x indicated?
YES -
Go to Step 8 .
NO -
Faulty driver's airbag; replace the driver's airbag.
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the negative cable from the battery, then wait at least 3 minutes.
  1. Remove the column cover, then disconnect the dashboard wire harness 4P connector (A) from the cable reel.
Is DTC 12-6x indicated?
YES -
Go to Step 12 .
NO -
Short in the cable reel; replace the cable reel.
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the negative cable from the battery, then wait at least 3 minutes.

  1. Measure the resistance between the No. 9 and the No.10 terminal of the SRS unit connector A (39P). There should be less than 1.0 Ω.
Is the resistance as specified?
YES -
Short in the dashboard wire harness; replace the dashboard wire harness.■
NO -
Faulty SRS unit: replace the SRS unit.