Toyota Sienna Service Manual: Problem symptoms table

Toyota Sienna Service Manual / Windshield / windowglass / Window defogger system / Problem symptoms table

WINDOW DEFOGGER SYSTEM

Symptom	Suspected area
w/ Deicer: Front window deicer does not operate. (indicator light ON)	FR DEF fuse Front window deicer relay Front window deicer wire Wire harness
w/ deicer: Front window deicer does not operate. (indicator light OFF)	FR DEF fuse Front window deicer relay Front window deicer wire Hazard warning signal switch assembly (Defogger switch) Wire harness
Rear window defogger does not operate (indicator light ON)	HTR fuse Rear window defogger relay Rear window deicer wire Rear window defogger does not operate (indicator light OFF)Wire harness
Rear window defogger does not operate (indicator light OFF)	HTR fuse Rear window defogger relay Hazard warning signal switch assembly (Defogger switch) Rear window defogger wire Wire harness
w/ Mirror Heater: Mirror heater does not operate (indicator light ON	MIR HTR fuse Outer rear view mirror assembly Wire harness
w/ Mirror Heater: Mirror heater does not operate (indicator light OFF)	MIR HTR fuse Hazard warning signal switch assembly (Defogger switch) Outer rear view mirror assembly Wire harness

On-vehicle inspection

1. INSPECT BACK WINDOW (DEFOGGER WIRE) NOTICE: When cleaning the glass, wipe the glass along the wire using a soft and dry cloth. Take care not to damage the wires. Do not u ...

Other materials:

Installation
1. INSTALL TIMING CHAIN CASE OIL SEAL (a) Using SST, tap in a new oil seal until its surface is flush with the timing chain case edge. SST 09223-22010, 09506-35010 NOTICE: Keep the lip free from foreign matter. Do not tap on the oil seal at an angle. Make sure that the oil ...

Short in Driver Side Squib 2nd Step Circuit
DTC B1180/17 Short in Driver Side Squib 2nd Step Circuit DESCRIPTION The driver side squib 2nd step circuit consists of the center airbag sensor assembly, the spiral cable and the steering pad. The circuit instructs the SRS to deploy when deployment conditions are met. DTC B1180/17 is rec ...

Trouble in Passenger Airbag ON / OFF Indicator
DESCRIPTION The occupant classification system detects the front passenger seat condition. It then informs a passenger of the front passenger airbag, the front seat side airbag RH and front seat belt pretensioner RH condition (activated/not activated) by the passenger airbag ON/OFF indicator. ...