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:

Rear Wiper does not Operate
DESCRIPTION The windshield wiper switch controls the rear wiper motor. WIRING DIAGRAM CAUTION / NOTICE / HINT HINT: Since the wiper and washer system has functions that use LIN communication, first confirm that there is no malfunction in the communica ...

No Communication in Immobiliser System (B2796,B2798)
DESCRIPTION DTC B2796 is stored when a key is inserted into the ignition key cylinder but no communication occurs between the key and transponder key ECU assembly. DTC B2798 is stored when a key is inserted into the ignition key cylinder ...

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