DTC Troubleshooting: 85-79
DTC 85-79:
 OPDS Initial Check Failure
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 ON (II), and check that the SRS indicator comes on for about 6 seconds and then goes off.
Does the SRS indicator go off?
YES -
Go to Step 3 .
NO -
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures.
  1. Turn the ignition switch to LOCK (0).
  1. Make sure nothing is on the front passenger's seat.
  1. Clear the DTC memory.
  1. Turn the ignition switch to ON (II), and check that the SRS indicator comes on for about 6 seconds and then goes off.
Does the SRS indicator go off?
YES -
Go to Step 7 .
NO -
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures.
  1. Initialize the OPDS unit.
  1. Turn the ignition switch to ON (II), and check that the SRS indicator comes on for about 6 seconds and then goes off.
Does the SRS indicator go off?
YES -
Replace the OPDS unit and retest. If the problem is still present, replace the OPDS sensor/seat-back cover/pad. ■
NO -
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures.