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:

Wireless remote control
Vehicles without a smart key system (type A) Locks all doors Unlocks all doors Sounds the alarm Vehicles without a smart key system (type B) Locks all doors Unlocks all doors Opens and closes the left side power sliding door Opens and closes the right sid ...

Rear combination light assembly
COMPONENTS REMOVAL 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 2. REMOVE REAR COMBINATION LIGHT ASSEMBLY  Remove the 2 bolts.  Disengage the 2 pins and separate the rear combination light assembly as shown in the illustration.  Disconnect the connector a ...

Installation
1. INSTALL BACK DOOR GLASS  Clean and shape the contact surface of the vehicle body.  Using a knife, cut away any rough adhesive on the contact surface of the body to ensure the appropriate surface shape. HINT: Leave as much adhesive on the body as possible. & ...

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