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.
LIN Communication System

Symptom

Suspected Area

See page

Air conditioning switch does not operate

LIN communication line


Air conditioning system (for Automatic Air Conditioning System)


Air conditioning system (for Manual Air Conditioning System)


How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the LIN communication system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND DRIVER SIDE JUNCTION BLOCK ASSEMBLY (a) Remove the main body ECU (multiplex network body ECU) from the driver side junc ...

Other materials about Toyota 4Runner:

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. REMOVE FRONT WHEEL 2. DISCONNECT FRONT DISC BRAKE CYLINDER ASSEMBLY LH 3. REMOVE FRONT DISC 4. REMOVE FRONT AXLE HUB GREASE CAP 5. INSPECT FRONT AXLE HUB BEARING LOOSENESS (a) Using a dial indicator ...

Cellular Phone Registration Failure
CAUTION / NOTICE / HINT NOTICE: After replacing the navigation receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary. HINT: If the operation of a cellular phone or the navigation receiver a ...

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