RX400h · Service Manual BODY

PROBLEM SYMPTOMS TABLE

Troubleshooting

WINDOW DEFOGGER SYSTEM 
Symptom
Suspected area
See page
w/ Deicer: Front window deicer does not operate (Indicator ON)
1. FR DEF fuse
Click here
2. HEATER fuse
Click here
3. DEICER relay
Click here
4. Front window deicer wire
Click here
5. Wire harness
-
w/ Deicer: Front window deicer does not operate (Indicator OFF)
1. FR DEF fuse
Click here
2. HEATER fuse
Click here
3. DEICER relay
Click here
4. Front window deicer wire
Click here
5. Multi-display assembly
Click here
6. Wire harness
-
Rear window defogger does not operate (Indicator ON)
1. RR DEF M-fuse
Click here
2. HEATER fuse
Click here
3. RR-DEF relay
Click here
4. Rear window defogger wire
Click here
5. Wire harness
-
Rear window defogger does not operate (Indicator OFF)
1. RR DEF M-fuse
Click here
2. HEATER fuse
Click here
3. RR-DEF relay
Click here
4. Multi-display assembly
Click here
5. Rear window defogger wire
Click here
6. Wire harness
-
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