Invalid Data Received from Deceleration Sensor (C1442,C1443)
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. |
NOTICE:
When replacing the yaw rate and acceleration sensor, perform calibration (See page .gif)
).
PROCEDURE
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 |
Test yourself
A quick Toyota 4Runner quiz: every answer comes with an explanation and a link to the manual page.