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:

Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART DTC Code Detection Item See page 11 Short in Motor LH 12 Short in Motor RH 21 Short to ...

Automatic Running Board Switch
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE DOOR SCUFF PLATE ASSEMBLY LH 2. REMOVE COWL SIDE TRIM BOARD LH 3. REMOVE NO. 1 INSTRUMENT CLUSTER FINISH PANEL GARNISH 4. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL ...

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