DTC Troubleshooting: 4-3
|DTC 4-3:||Short to Another Wire or Decreased Resistance in Right Side Seat Belt 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.
|3.||Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.|
|4.||Disconnect the TR1o connector from the TR1i connector (A).|
|5.||Connect the special tool (2 W connector) to the TR1i connector (A).|
|6.||Reconnect the battery negative cable.|
|7.||Erase the DTC memory.|
|8.||Read the DTC.|
Is DTC 4-3 indicated?
YES - Go to 9.
NO - Short in the right side seat belt tensioner; replace the right side seat belt.n
|9.||Disconnect the battery negative cable, and wait for 3 minutes.|
|10.||Disconnect the TL1o connector (A) from the TL1i connector (B).|
|11.||Disconnect the U2o connector (A) from the SRS unit.|
|12.||Disconnect the SRS inflator simulator (special tool) from the SRS simulator lead C.|
|13.||Check resistance between the A and B terminals of the SRS simulator lead C (special tool), and between the C and D terminals. There should be 1 MW or more.|
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