DTC Troubleshooting: 74-24

DTC 74-24: 
Short to Ground in the Right Side E-pretensioner Motor
NOTE: Before doing this troubleshooting procedure, review SRS Precautions and Procedures and General Troubleshooting Information.
  1. Turn the ignition switch to LOCK (0), and wait for 10 seconds.
  1. Turn the ignition switch to ON (II), and wait for 10 seconds.
  1. A function test for ‘‘E-pretensioner forcible operation at the time of a CMS operation'' is carried out with the HDS.
Is DTC 74-24 indicated?
YES -
Go to Step 6 .
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. Turn the ignition switch to ON (II).
  1. Turn the ignition switch to LOCK (0), and wait for 10 seconds.
  1. Turn the ignition switch to ON (II), and wait for 10 seconds.
  1. A function test for ‘‘E-pretensioner forcible operation at the time of a CMS operation'' is carried out with the HDS.
Is DTC 74-24 indicated?
YES -
Go to Step 14 .
NO -
Faulty the right side E-pretensioner motor; replace the right side E-pretensioner motor.
  1. Turn the ignition switch to LOCK (0).
  1. Measure the resistance between No. 1 terminal of right side wire harness 2P connector and body ground, and between the No. 2 terminal and body ground. There should be an open circuit or at least 1 MΩ.
Is the resistance as specified?
YES -
NO -
Open in the left engine compartment subharness (LHD models), E-pretensioner subharness (RHD models), left engine compartment wire harness, right side wire harness or right engine compartment wire harness; replace the faulty harness.■