Toyota 4Runner: 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 indicator light illuminates while the system is operating. The system automatically turns off after approximately 15 minutes.
2. FUNCTION OF MAIN COMPONENT
|
Component |
Outline |
|---|---|
|
Engine room relay block, junction block (DEICER relay) |
Receives front deicer activation request signals from the air conditioning amplifier assembly and supplies power to the front window deicer. |
|
Outer mirror heater switch assembly (windshield deicer switch) |
Sends signals to the air conditioning amplifier assembly to operate the deicer. |
|
Windshield glass (windshield deicer wire) |
Receives power from the DEICER relay and heats the windshield glass (windshield deicer wire). |
Operation Check
OPERATION CHECK
1. CHECK WINDSHIELD DEICER SYSTEM OPERATION
(a) When the ignition switch is turned to ON and the outer mirror heater switch
(windshield deicer switch) is pressed, check that the wi ...
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 lis ...
Other materials about Toyota 4Runner:
Diagnosis System
DIAGNOSIS SYSTEM
1. FUNCTION OF AUTOMATIC RUNNING BOARD WARNING LIGHT
(a) When a malfunction is detected in the automatic running board system, the
automatic running board warning light in the combination meter comes on to inform
the driver of the malfun ...
Clearance Sonar Main Switch
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE NO. 2 SWITCH HOLE BASE
2. REMOVE BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY
(a) Detach the 2 claws and remove the back sonar or clearance sonar switch.
Inspection
...
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