Toyota 4Runner manuals

Toyota 4Runner: Diagnosis System

DIAGNOSIS SYSTEM

1. DESCRIPTION

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

2. CHECK DLC3

(a) Check the DLC3 (See page ).


3. INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY, MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (a) Remove the main body ECU (See page ). (b) Measure the resistance and voltage accor ...

Dtc Check / Clear
DTC CHECK / CLEAR 1. CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / (desired sy ...

Other materials about Toyota 4Runner:

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. REMOVE FRONT WHEEL 2. INSPECT FRONT SUSPENSION LOWER NO. 1 ARM (a) Install the hub nuts to the disc. (b) Using a dial indicator, check the lower ball joint for excessive play by pushing the hub nuts up and ...

Power back window
The power back window can be opened and closed using the switch or key. From inside the vehicle 1. Closing 2. One-touch closing* 3. Opening 4. One-touch opening* *: Pressing the switch in the opposite direction will stop window travel partway. Fro ...

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