Toyota RAV4 manuals

Toyota Sienna Service Manual: Problem symptoms table

HINT: Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

SEAT HEATER SYSTEM

Symptom

Suspected area

Seat heaters do not operate (Seat does not warmed up)
  1. S-HTR fuse
  2. ECU-IG fuse
  3. IG1 relay
  4. Front seat cushion heater assembly
  5. Front seat cushion heater assembly
  6. Front seatback heater assembly
  7. Front seatback heater assembly
  8.  Seat heater switch
  9.  Seat heater switch
  10.  Seat heater control
  11. Wire harness
Temperature of seat heater cannot be adjusted
  1. Seat heater switch
  2. Seat heater switch
  3. Seat heater control
  4. Wire harness
Seat heater system
PARTS LOCATION ...

On-vehicle inspection
1. CHECK SEAT HEATER CONTROL (WIRE HARNESS SIDE)  Disconnect the connector from the seat heater control.  Measure the voltage and resistance of each terminal of the wire harne ...

Other materials:

Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 2. REMOVE FRONT DOOR SCUFF PLATE LH 3. REMOVE COWL SIDE TRIM SUB-ASSEMBLY LH 4. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY LH (See page IP-6) 5. REMOVE TIRE PRESSURE WARNING RESET SWITCH (a) Disengage the 2 claws and remove t ...

Power mirror control system (w/o Memory)
PARTS LOCATION Problem symptoms table POWER MIRROR CONTROL SYSTEM Symptom Suspected area Mirror does not operate Outer mirror switch assembly Outer rear view mirror assembly Wire harness Mirror operates abnormally O ...

Short in Front Passenger Side Squib Circuit
DTC B0105/53 Short in Front Passenger Side Squib Circuit DESCRIPTION The front passenger side squib circuit consists of the center airbag sensor assembly and the front passenger airbag assembly. The circuit instructs the SRS to deploy when deployment conditions are met. DTC B0105/53 is re ...

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