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 |
|---|---|---|
|
Window deicer switch is turned on but does not operate (Indicator on) |
Air conditioning amplifier assembly |
|
|
Windshield glass (Windshield deicer wire) |
- |
|
|
Harness or connector |
- |
|
|
Window deicer switch is turned on but does not operate (Indicator off) |
Outer mirror heater switch assembly |
|
|
Air conditioning amplifier assembly |
|
|
|
Windshield glass (Windshield deicer wire) |
- |
|
|
Harness or connector |
- |
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System Description
SYSTEM DESCRIPTION
1. WINDSHIELD DEICER SYSTEM DESCRIPTION
The windshield deicer system thin heater wires are attached to the inside of
the front window and deice the window surface quickly. The i ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY
(a) Disconnect the F42 air conditioning amplifier connector.
(b) Measure the voltage and resistance according to the value(s) in the ...
Other materials about Toyota 4Runner:
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN
COLLISION)
(a) Perform a diagnostic system check (See page
).
(b) With the lower No. 2 instrument panel airbag installed on the vehicle, perf ...
System Diagram
SYSTEM DIAGRAM
Communication Table
Transmitting ECU
Receiving ECU
Signal
Communication Method
Multiplex network master switch assembly
Front power window regulator motor ...
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