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:
Driver Side Door Entry Unlock Function does not Operate
DESCRIPTION
If the driver side door entry unlock function does not operate but the entry
lock function operates, the communication line between the vehicle and electrical
key transmitter is normal. The part at fault may be an unlock sensor circuit (front ...
Event data recorder
This vehicle is equipped with an event data recorder (EDR). The main purpose
of an EDR is to record, in certain crash or near crash-like situations, such as
an air bag deployment or hitting a road obstacle, data that will assist in
understanding how a ve ...
0.0225