Toyota 4Runner: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, 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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Climate control seat system does not operate |
Refreshing seat switch |
|
|
Harness or connector |
- |
|
|
Seat heater LH does not operate |
Refreshing seat switch |
|
|
Seat heater control sub-assembly LH |
|
|
|
Front seat cushion heater assembly LH |
|
|
|
Front seatback heater assembly LH |
|
|
|
Harness or connector |
- |
|
|
Seat heater RH does not operate |
Refreshing seat switch |
|
|
Seat heater control sub-assembly RH |
|
|
|
Front seat cushion heater assembly RH |
|
|
|
Front seatback heater assembly RH |
|
|
|
Harness or connector |
- |
|
|
One or both blowers do not operate (LH) |
Refreshing seat switch |
|
|
Seat cushion climate control blower LH |
- |
|
|
Seatback climate control blower LH |
- |
|
|
Air conditioning amplifier assembly |
|
|
|
Harness or connector |
- |
|
|
One or both blowers do not operate (RH) |
Refreshing seat switch |
|
|
Seat cushion climate control blower RH |
- |
|
|
Seatback climate control blower RH |
- |
|
|
Air conditioning amplifier assembly |
|
|
|
Harness or connector |
- |
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Operation Check
OPERATION CHECK
1. CHECK SEAT CUSHION CLIMATE CONTROL BLOWER
(a) Turn the engine switch on (IG).
(b) Set the refreshing seat switch blower side to level 3 (maximum).
(c) Check that the fan motor t ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT SEAT HEATER CONTROL SUB-ASSEMBLY LH
(a) Disconnect the b24 seat heater control sub-assembly LH connector.
...
Other materials about Toyota 4Runner:
Steering Angle Sensor Circuit (C15F1)
DESCRIPTION
The power steering ECU assembly receives steering angle signals from the steering
angle sensor via CAN communication. The power steering ECU assembly provides appropriate
assisting force in accordance with the steering angle signal.
...
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page ).
2. REMOVE NO. 1 ENGINE UNDER COVER SUB-ASSEMBLY
3. REMOVE REA ...
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