Toyota 4Runner: Diagnosis System
DIAGNOSIS SYSTEM
1. FUNCTION OF AUTOMATIC RUNNING BOARD WARNING LIGHT
(a) When a malfunction is detected in the automatic running board system, the
automatic running board warning light in the combination meter comes on to inform
the driver of the malfunction.
(b) The operation and condition of this control are described below.
Operation
|
Condition
|
Comes on
|
- When the jam protection function has operated.*1
- When the automatic running board is not fully stowed while the
vehicle is moving (at a speed of 8 km/h [5 mph] or more).*2
|
Blinks
|
When a DTC has been output.
|
HINT:
- *1: The automatic running board warning light turns off when the automatic
running board is deployed or stowed normally with the operation of the doors.
Also, the warning light will turn off 20 minutes after it is lit.
- *2: The automatic running board warning light turns off when the automatic
running board is stowed normally. Also, the warning light will turn off
20 minutes after it is lit.
- *3: The automatic running board warning light turns off when the abnormal
state of the automatic running board system is resolved, and the system
returns to a normal state. Also, the warning light will turn off 20 minutes
after it is lit, even if the abnormal state is not resolved.
TERMINALS OF ECU
1. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK
BODY ECU)
(a) Measure the voltage according to the value(s) in the table below.
Ter ...
DATA LIST / ACTIVE TEST
1. 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 any p ...
Other materials about Toyota 4Runner:
Inside Handle Illumination Light Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) controls the inside handle illumination.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
inspection procedu ...
Center Airbag Sensor Assembly Malfunction (B1000/31)
DESCRIPTION
The center airbag sensor assembly consists of a deceleration sensor, safing sensor,
drive circuit, diagnosis circuit, ignition control, etc.
If the center airbag sensor assembly receives signals from the deceleration sensor,
it determines whe ...