Toyota 4Runner manuals

Toyota 4Runner: Diagnosis System

DIAGNOSIS SYSTEM

1. DESCRIPTION

(a) Air conditioning system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform troubleshooting.

2. CHECK DLC3

(a) Check the DLC3 (See page ).


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 ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK NO. 1 AIR CONDITIONING AMPLIFIER ASSEMBLY (a) Disconnect the F42 No. 1 air conditioning amplifier assembly connector. (b) Measure the voltage and resistance according to ...

Other materials about Toyota 4Runner:

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: When removing the symbol emblem, No. 1 back door emblem and No. 1 roof side mark, heat the vehicle body, symbol emblem, No. 1 back door emblem and No. 1 roof side mark using a heat light. Standard: Ite ...

Vehicle load limits
Vehicle load limits include total load capacity, seating capacity, trailer weight rating and cargo capacity. Total load capacity (vehicle capacity weight): Total load capacity means the combined weight of occupants, cargo and luggage. Seating capacity ...

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