74-24

SRS DTC Troubleshooting: 74-24

DTC 74-24:

Short to Ground in the Front Passenger's Side E-Pretensioner Motor

NOTE: Before doing this troubleshooting procedure, review SRS Precautions and Procedures Service and Repair, General Troubleshooting Information Reading and Clearing Diagnostic Trouble Codes, and Battery Terminal Disconnection and Reconnection Procedures.

1. Clear the DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.

2. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, then wait for 10 seconds.

3. Do the function test for the E-pretensioner with the HDS. Select SRS, function test, then select E-pretensioner and follow the screen prompts on the HDS.

4. Check for DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.

Is DTC 74-24 indicated?

YES -

Go to step 5.

NO -

Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures Reading and Clearing Diagnostic Trouble Codes. If another DTC is indicated, troubleshoot the DTC.�

5. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

6. Disconnect the front passenger's E-pretensioner motor 2P connector on the floor wire harness Front Seat Belt Replacement.

7. Clear the DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.

8. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, then wait for 10 seconds.

9. Do the function test for the E-pretensioner with the HDS. Select SRS, function test, then select E-pretensioner and follow the screen prompts on the HDS.

10. Check for DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.

Is DTC 74-24 indicated?

YES -

Go to step 11.

NO -

Faulty the front passenger's E-pretensioner motor; replace the front passenger's seat belt Front Seat Belt Replacement, then clear the DTC.�

11. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

12. Disconnect the negative cable from the battery, then wait at least 3 minutes.

13. Remove the front passenger's seat Front Seat Removal/Installation.

14. Remove the passenger's center console trim Center Console Removal/Installation.

15. Disconnect E-pretensioner unit connector B (14P) from the E-pretensioner unit Removal and Replacement.

16. Measure the resistance between body ground and front passenger's E-pretensioner motor 2P connector on the floor wire harness terminals No. 1 and No. 2 individually. There should be an open circuit or at least 1 MOhms.





Is the resistance as specified?

YES -

Replace the E-pretensioner unit Removal and Replacement, then clear the DTC.�

NO -

Short in the floor wire harness; replace the floor wire harness, then clear the DTC.�