Toyota 4Runner: Fail-safe Chart
FAIL-SAFE CHART
1. FAIL-SAFE FUNCTION
(a) If the stabilizer control ECU detects a malfunction, the fail-safe functions shown in the table below operate.
|
Malfunction Item |
Fail-safe Function |
|---|---|
|
Speed Sensor |
KDSS control stops. |
|
Yaw Rate and Acceleration Sensor |
KDSS control continues using the vehicle speed sensor and steering angle sensor. |
|
Accumulator Pressure Sensor |
KDSS control stops. |
|
Steering Angle Sensor |
KDSS control continues using the vehicle speed sensor and yaw rate and acceleration sensor. |
|
Stabilizer Control Solenoid Valve |
KDSS control stops. |
|
Power Supply |
KDSS control stops. |
|
Stabilizer Control ECU |
KDSS control stops. |
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK/CLEAR DTC (USING TECHSTREAM)
(a) Check DTC:
(1) Connect the Techstream to the DLC3.
(2) Turn the ignition switch to ON.
(3) Turn the Techstream on.
(4) Enter the follo ...
Data List / Active Test
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:
Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination
Meter
DESCRIPTION
The stereo component amplifier assembly receives a vehicle speed signal from
the combination meter assembly to control the ASL function.
HINT:
A voltage of 12 V or 5 V is output from each ECU and then input to the
combination meter ...
Open Circuit in IG1/IG2 Power Source Circuit (C1242)
DESCRIPTION
If there is a problem with the master cylinder solenoid (skid control ECU) power
supply circuit, the skid control ECU stores DTCs and prohibits operation under the
fail-safe function.
If the voltage supplied to the IG2 terminal is within the ...
0.0274