Toyota 4Runner: Acceleration Sensor Malfunction (C1420)
DESCRIPTION
Refer to DTCs C1419 and C1435 (See page .gif)
).
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1420 |
After the difference between GL1 and GL2 becomes 0.6 G or more with the vehicle stationary, the difference remains 0.4 G or more for 60 seconds or more. |
|
WIRING DIAGRAM
Refer to DTCs C1232, C1243 and C1245 (See page
).
CAUTION / NOTICE / HINT
NOTICE:
When replacing the yaw rate and acceleration sensor, perform calibration (See
page ).
PROCEDURE
|
1. |
CHECK DTC (CAN COMMUNICATION SYSTEM) |
(a) Check for DTCs (See page ).
Result
|
Result |
Proceed to |
|---|---|
|
CAN DTC is not output |
A |
|
CAN DTC is output |
B |
| B | .gif) |
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
|
.gif)
|
2. |
CHECK YAW RATE AND ACCELERATION SENSOR INSTALLATION |
(a) Check that the yaw rate and acceleration sensor is installed properly (See
page ).
OK:
The sensor is tightened to the specified torque.
The sensor is not installed at an angle.
| OK | |
REPLACE YAW RATE AND ACCELERATION SENSOR |
| NG | |
INSTALL YAW RATE AND ACCELERATION SENSOR CORRECTLY |
Acceleration Sensor Internal Circuit (C1419,C1435)
DESCRIPTION
The skid control ECU receives signals from the yaw rate and acceleration sensor
via the CAN communication system.
The yaw rate and acceleration sensor has a built-in acceleration senso ...
Open or Short in Master Cylinder Pressure Sensor (C1421,C1281,C1423,C1424)
DESCRIPTION
DTC Code
DTC Detection Condition
Trouble Area
C1421
Either condition is met:
Both of the following conditions continue fo ...
Other materials about Toyota 4Runner:
Off-road driving
When driving your vehicle off-road, please observe the following precautions
to ensure your driving enjoyment and to help prevent the closure of areas to
off-road vehicles:
• Drive your vehicle only in areas where off-road vehicles are permitted to
tr ...
If your vehicle has to be stopped in an emergency
Only in an emergency, such as if it becomes impossible to stop the vehicle
in the normal way, stop the vehicle using the following procedure:
Steadily step on the brake pedal
with both feet and firmly depress it.
Do not pump the brake pedal repeatedly a ...
0.0106