Toyota 4Runner: Diagnosis System

Toyota 4Runner Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Key System(for Start Function) / Diagnosis System

DIAGNOSIS SYSTEM

1. DESCRIPTION

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

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.

Data List / Active Test

DATA LIST / ACTIVE TEST 1. READ DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing ...

Dtc Check / Clear

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

Other materials about Toyota 4Runner:

Removal
REMOVAL PROCEDURE 1. DRAIN AUTOMATIC TRANSMISSION FLUID 2. REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY 3. REMOVE VALVE BODY OIL STRAINER ASSEMBLY 4. DISCONNECT TRANSMISSION WIRE 5. REMOVE TRANSMISSION VALVE BODY ASSEMBLY (a) Remove th ...

Inspection
INSPECTION CAUTION / NOTICE / HINT NOTICE: The master cylinder and piston are designed so that the piston can easily fall out. Prevent this by making sure the tip of the master cylinder faces downward when handling the master cylinder. M ...