Troubleshooting Hints
TRY THE FOLLOWING CHECKS BEFORE DOING THE SYSTEM CHECK1. Check PWR ACC Circuit Breaker by operating the Automatic Door Locks.
2. Check GAGES Fuse by observing the Instrument Cluster Indicators
3. Check that grounds are clean and tight.
4. If one or more of the grid lines do not heat, refer to grid line repair procedures.
5. If the Rear Defogger grid becomes warm, but On Indicator does not light, replace Heater-A/C and Rear Defogger Control Assembly.
^ Refer to Heating and Air Conditioning for Heater-A/C and Rear Defogger Control Assembly access. Heating and Air Conditioning