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:
System Diagram
SYSTEM DIAGRAM
Communication Table
Transmitting ECU
Receiving ECU
Signal
Communication Method
Multiplex network master switch assembly
Front power window regulator motor ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / (desired system) / Trouble Codes.
(e) Check for DTCs.
HINT:
Refer to ...
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