DTC Troubleshooting: 74-22

DTC 74-22:
 Open in the Right Side E-pretensioner Motor
NOTE: Before doing this troubleshooting procedure, review SRS Precautions and Procedures and General Troubleshooting Information.
  1. Clear the DTC memory.
  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. Read the DTC.
Is DTC 74-22 indicated?
YES -
Go to Step 5 .
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. Disconnect the left engine compartment subharness 14P connector (LHD models) or E-pretensioner subharness 14P connector (RHD models) from the E-pretensioner unit.
  1. Check resistance between the No. 13 and No. 14 terminals of the left engine compartment subharness 14P connector (LHD models) or E-pretensioner subharness 14P connector (RHD models). There should be 0−1.0 Ω.
Is the resistance as specified?
YES -
Check the loose terminals and poor connections at the left engine compartment subharness 14P connector terminals No. 13 and No. 14 (LHD models) or E-pretensioner subharness 14P connector terminals No. 13 and No. 14 (RHD models). If the terminals and connections are OK, replace the E-pretensioner control unit, and recheck.
NO -
Go to Step 8 .
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the right side wire harness 2P connector from the right side E-pretensioner motor.