DTC 74-2x

DTC 74-2x ("x" can be 0 thru 9 or A thru F): Open in Front Passenger's E-Pretensioner Motor ('06-08 Models)

NOTE: Before doing this troubleshooting procedure, review SRS Precautions and Procedures and General Troubleshooting Information.

1. Clear the DTC memory.
2. Read the DTC.

Is DTC 74-2x indicated?

YES - Go to step 3.

NO - Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. Troubleshooting Intermittent Failures If another DTC is indicated, troubleshoot the DTC.

3. Turn the ignition switch OFF.
4. Disconnect e-pretensioner subharness 14P connector B from the e-pretensioner unit.
5. Disconnect the e-pretensioner subharness 2P connector from the driver's e-pretensioner motor.
6. Measure the resistance between the No. 13 terminal of e-pretensioner unit connector B (14P) and the No. 2 terminal of front passenger's e-pretensioner motor 2P connector, and between the No. 14 terminal of e-pretensioner unit connector B (14P) and the No. 1 terminal of front passenger's e-pretensioner motor 2P connector. There should be 0-1.0 ohm.






Is the resistance as specified?

YES - Go to step 7.

NO - Open in the e-pretensioner subharness or right side wire harness; replace the faulty harness.

7. Reconnect the front passenger's e-pretensioner motor 2P connector.
8. Measure the resistance between the No. 13 and No. 14 terminals of e-pretensioner unit connector B (14P). There should be 0-1.0 ohm.






Is the resistance as specified?

YES - Faulty e-pretensioner unit; replace the e-pretensioner unit.

NO - Faulty e-pretensioner motor; replace the front passenger's e-pretensioner motor.