DTC Troubleshooting: 27-3x
|DTC 27-3:||Short to Another Wire or Decreased Resistance in Left Side Seat Belt Buckle Tensioner|
Special Tools Required
SRS inflator simulator ( 07SAZ-TB4011A)
|1.||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?
YES - Go to 3.
NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, go to the DTC troubleshooting index.
|3.||Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.|
|4.||Disconnect the left side seat belt buckle tensioner 4P connector (A) from the floor wire harness connector (B).|
|5.||Connect the SRS inflator simulator (2 W connectors) and simulator lead F to the floor wire harness connector.|
|6.||Reconnect the battery negative cable.|
|7.||Erase the DTC memory.|
|8.||Read the DTC.|
Is DTC 27-3 indicated?
YES - Go to 9.
NO - Short in the left side seat belt buckle tensioner; replace the left side seat belt buckle.n
|9.||Disconnect the battery negative cable, and wait for 3 minutes.|
|10.||Disconnect both side airbag 2P connectors and the right side seat belt buckle tensioner 4P connector.|
|11.||Disconnect SRS unit connector B (28P) from the SRS unit.|
|12.||Disconnect the simulator lead from the floor wire harness.|
|13.||Check resistance between the No. 7 and No. 8 terminals of SRS unit connector B (28P). There should be an open circuit or at least 1 MW.|
Is the resistance as specified?
YES - Faulty SRS unit; replace the SRS unit.n
NO - Short in the floor wire harness; replace the floor wire harness.n