Toyota 4Runner: Invalid Data Received from Deceleration Sensor (C1442,C1443)
DESCRIPTION
The skid control ECU receives signals from the yaw rate and acceleration sensor via the CAN communication system.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1442 |
An invalid data signal is transmitted continuously from the acceleration sensor for 10 seconds or more. |
Yaw rate and acceleration sensor |
|
C1443 |
An invalid data signal is transmitted continuously from the yaw rate and acceleration sensor for 10 seconds or more. |
CAUTION / NOTICE / HINT
NOTICE:
When replacing the yaw rate and acceleration sensor, perform calibration (See
page .gif)
).
PROCEDURE
|
1. |
CHECK DTC |
(a) Clear the DTCs (See page ).
(b) Turn the ignition switch off.
(c) Start the engine and idle it for 60 seconds, and then stop the engine.
(d) Check if the same DTC is output (See page
).
|
Result |
Proceed to |
|---|---|
|
DTCs C1442 and/or C1443 are output |
A |
|
DTCs C1442 and C1443 are not output |
B |
| A | .gif) |
REPLACE YAW RATE AND ACCELERATION SENSOR |
| B | |
USE SIMULATION METHOD TO CHECK |
Steering Angle Sensor Unusual Bank Angle Detected (C1440)
DESCRIPTION
If the skid control ECU determines that the vehicle is being driven at a steep
bank angle, the skid control ECU stores DTC C1440 while VSC operation is temporarily
disabled.
It is no ...
Accumulator Low Pressure (C1452)
DESCRIPTION
DTC Code
DTC Detection Condition
Trouble Area
C1452
After braking, the fluid pressure inside the accumulator is below the
...
Other materials about Toyota 4Runner:
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-)
battery terminal to disable the SRS system.
NOTICE:
When disconnecting the cable, some systems ne ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. READ 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 parts. This non-intrusive
inspection can be very usefu ...
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