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:

How to proceed with troubleshooting
The intelligent tester can be used at step 2, 5, 8, 11. 1 Vehicle Brought to Workshop 2 Check and Clear DTCs and Freeze Frame Data HINT: See page BC-82 and BC-84. 3 Problem Symptom Confirmation 4 Symptom Simulation 5 DTC Check HINT: See page BC-82. 6 Problem Symptoms Table HINT: ...

Installation
1. INSTALL SLIDE DOOR ROLLER ASSEMBLY UPPER Apply MP grease to the rotating area of the roller. Install the roller with the 2 bolts. Torque: 13 N*m (130 kgf*cm, 10 ft.*lbf) 2. INSTALL SLIDE DOOR HINGE ASSEMBLY CENTER LH Apply MP grease to the rotating areas of the hinge. Ins ...

Erasing the entire HomeLink® memory (all three programs)
Press and hold down the 2 outside buttons for 10 seconds until the indicator light flashes. If you sell your vehicle, be sure to erase the programs stored in the HomeLink® memory. Before programming Install a new battery in the transmitter. The battery side of the transmitter must ...

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