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Test No. 3: Mirror Heater Does Not Operate

WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check MIR HTR (10-amp) fuse located in driver side junction block under left side of instrument panel. See Figure. If fuse is okay, go to next step. If fuse is defective, repair short in wiring connected to fuse. See DEFOGGERS in SYSTEM WIRING DIAGRAMS article. After repairs have been made, perform confirmation test. See CONFIRMATION TEST .
  2. Check mirror heater. See MIRROR HEATER  under COMPONENT TESTS. If mirror defogger is okay, go to next step.
  3. Check wiring harness and connectors between MIR HTR (10-amp) fuse and mirror defogger. See DEFOGGERS in SYSTEM WIRING DIAGRAMS article. Repair harness and connectors as required.
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