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:

Update contacts from phone
Operation methods differ between PBAP compatible and PBAP incompatible but OPP compatible Bluetooth® phones. If your cellular phone is neither PBAP nor OPP compatible, the contacts cannot be transferred. For PBAP Compatible Bluetooth® Phones Select “Update Contacts from Phone”. Che ...

Reassembly
1. INSTALL FRONT SEAT CUSHION SHIELD LOWER LH  Install the front seat cushion shield lower LH. 2. INSTALL FRONT SEAT CUSHION SHIELD LOWER RH 3. INSTALL RECLINING ADJUSTER INSIDE COVER LH  Install the reclining adjuster inside cover LH (upper) with the screw. 4. INSTALL RE ...

Window defogger switch
INSPECTION 1. INSPECT WINDOW DEFOGGER SWITCH  Check the defogger switch illuminates. Standard If the result is not as specified, replace the switch assembly or bulb. Check the defogger timer.  Connect the positive (+) lead from the battery to terminal 2 and ...

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