Toyota 4Runner: Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK DLC3
(a) Check the DLC3 (See page .gif)
).
2. FUNCTION OF POWER STEERING WARNING LIGHT
(a) When a malfunction is detected in the power steering system, the power steering warning light in the combination meter comes on to inform the driver of the malfunction.
HINT:
When power assist is stopped or reduced, the power steering warning light comes on.
Power assist is stopped:
- When a malfunction occurs in the power steering system (including lost CAN communication, etc.)
- When the engine stalls (not a malfunction)
Power assist is reduced:
When a malfunction occurs in the power steering system (including lost CAN communication, etc.)
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK POWER STEERING ECU ASSEMBLY
(a) Measure the voltage and resistance according to the value(s) in the table
below.
Terminal No. (Symbol)
Wiring Col ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Enter the following m ...
Other materials about Toyota 4Runner:
Only Back Door cannot be Opened
DESCRIPTION
When the back door is unlock and the multiplex network door ECU (back door P/W)
receives the ON signal from the back door opener switch, it sends the signal to
the main body ECU (multiplex network body ECU) which then activates the back door
...
Wireless remote control
The wireless remote control can be used to lock and unlock the vehicle.
Vehicles without a smart key system
1. Locks all the doors
2. Sounds the alarm (press and hold)
3. Unlocks all the doors Pressing the button unlocks the driver’s door. Pressing
...
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