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:
Traffic Information is not Displayed
CAUTION / NOTICE / HINT
NOTICE:
Traffic information requires payment. An "XM Nav Traffic" contract must
be made between the satellite radio company and the user. If the contract
expires, traffic information will not be available.
...
Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter
DESCRIPTION
for Automatic Sound Levelizer (ASL):
This circuit is necessary for the Automatic Sound Levelizer (ASL) built
into the radio and display receiver assembly.
The Automatic Sound Levelizer (ASL) function automatically adjusts the
a ...
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