Toyota 4Runner manuals

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.
Window Defogger System

Symptom

Suspected Area

See page

Rear window defogger system does not operate

Proceed to "Rear Window Defogger System does not Operate"


Operation Check
OPERATION CHECK 1. CHECK WINDOW DEFOGGER SYSTEM OPERATION (a) When the ignition switch is turned to ON and the heater control (window defogger switch) is pressed, check that the window defogger op ...

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:

ECU Circuit (61)
DESCRIPTION When the internal circuit of the side auto step controller ECU assembly malfunctions, the side auto step controller ECU assembly halts the operation of the system. DTC No. DTC Detection Condition Trouble Area ...

Brake Warning Light does not Come ON
DESCRIPTION Refer to Brake Warning Light Remains ON (See page ). WIRING DIAGRAM Refer to Brake Warning Light Remains ON (See page ). CAUTION / NOTICE / HINT NOTICE: When replacing the master cylinder solenoid, perform calibration (See page ). PROC ...

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