Troubleshooting Hints

TRY FOLLOWING CHECKS BEFORE DOING THE SYSTEM CHECK:
1. Check I/P Fuse Block Fuses 5A and 9E by visual inspection.
2. If one or more grid lines do not heat, Refer to Test C: Rear Defogger Repair for grid line repair procedures. Test C - Rear Defogger Test
3. Check I/P Fuse Block Fuse 3D and BRN (541) wire if LH Heated Mirror (if equipped) is not operating.
4. If LH Heated Mirror (if equipped) operates but Rear Defogger does not, check PPL (293) wire, BLK (1250) wire and Rear Defogger grid.
5. Check that connectors on Rear Defogger and Rear Defogger Timer-Relay are firmly mated.