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 .gif)
).
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:
System Description
SYSTEM DESCRIPTION
1. GENERAL
(a) The heater and blower both have 3 levels controlled by operating the dial-type
refreshing seat switch, which is located in the upper console panel.
(b) The on/off state of the heater or blower can be determined by checkin ...
Sound of Portable Player cannot be Heard from Speakers or Sound is Low
PROCEDURE
1.
CHECK PORTABLE PLAYER SETTINGS
(a) Check the portable player settings.
(1) Check that the volume is not set to "0".
(2) Check that the mute is off.
(b) Check that the sound of the portable player can ...
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