Precaution
PRECAUTION
1. NOTICE FOR INITIALIZATION
HINT:
When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected.
|
System Name |
See procedure |
|---|---|
|
Back Door Closer System |
|
|
Power Back Door System |
2. IGNITION SWITCH EXPRESSIONS
HINT:
The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are used in this section.
|
Expression |
Ignition Switch (position) |
Engine Switch (condition) |
|---|---|---|
|
Ignition Switch off |
LOCK |
Off |
|
Ignition Switch ON |
ON |
On (IG) |
|
Ignition Switch ACC |
ACC |
On (ACC) |
|
Engine Start |
START |
Start |
Parts Location
PARTS LOCATION
ILLUSTRATION
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
Seat Heater System|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Drivers seat heater does not warm up |
SEAT HTR fuse |
- |
|
Seat heater switch LH |
|
|
|
Front seat cushion heater (for power seat) |
|
|
|
Front seatback heater (for power seat) |
|
|
|
Seat heater controller |
- |
|
|
Wire harness or connector |
- |
|
|
Passengers seat heater does not warm up |
SEAT HTR fuse |
- |
|
Seat heater switch RH |
|
|
|
Front seat cushion heater (for power seat) |
|
|
|
Front seatback heater (for power seat) |
|
|
|
Seat heater controller |
- |
|
|
Wire harness or connector |
- |
System Diagram
SYSTEM DIAGRAM
Seat Heater Switch
Seat Memory SwitchOpen in CAN Main Bus Line
DESCRIPTION
There may be an open circuit in the CAN bus main wire and/or the DLC3 branch
wire when the resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is
70 Ω or higher.
Symptom
Trouble Area
Resista ...
Front Occupant Classification Sensor RH Collision Detection (B1786)
DESCRIPTION
DTC B1786 is output when the occupant classification ECU receives a collision
detection signal sent by the front occupant classification sensor RH if an accident
occurs.
DTC B1786 is also output when the front seat assembly RH is subjected to ...
Light bulbs
You may replace the following bulbs yourself. The difficulty level of replacement
varies depending on the bulb. If necessary bulb replacement seems difficult to perform,
contact your Toyota dealer.
For more information about replacing other light bulbs, c ...