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:
Speed Signal Circuit
DESCRIPTION
The vehicle speed signal consists of pulses sent to the combination meter assembly
from the master cylinder solenoid (skid control ECU)*1 or skid control ECU (brake
actuator assembly)*2.
*1: for 4WD
*2: for 2WD
WIRING DIAGRA ...
Playing MP3 and WMA discs
Type A
Type B and C
Loading and ejecting MP3 and WMA discs
Selecting MP3 and WMA discs (type C only)
Selecting and scanning a folder
Selecting folders one at a time
Press “∧” or “∨” on to select
the desired folder.
Scanning the firs ...
0.008