Toyota Tacoma 2015-2018 Service Manual: Invalid Data Received from Deceleration Sensor (C1442,C1443)
DESCRIPTION
The skid control ECU (master cylinder solenoid) receives signals from the yaw rate and acceleration sensor (airbag sensor assembly) via the CAN communication system.
The airbag sensor assembly has a built-in yaw rate and acceleration sensor.
|
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 (airbag sensor assembly) |
|
C1443 |
An invalid data signal is transmitted continuously from the yaw rate sensor for 10 seconds or more. |
Yaw rate and acceleration sensor (airbag sensor assembly) |
CAUTION / NOTICE / HINT
NOTICE:
When replacing the yaw rate and acceleration sensor (airbag sensor assembly),
perform zero point calibration (See page .gif)
).
PROCEDURE
|
1. |
CHECK DTC |
(a) Turn the ignition switch off.
(b) Clear the DTC (See page
).
(c) Start and idle the engine for 60 seconds, and then stop the engine.
(d) Check if the same DTC is recorded (See page
).
|
Result |
Proceed to |
|---|---|
|
DTC output |
A |
|
DTC not output |
B |
| A | .gif) |
REPLACE AIRBAG SENSOR ASSEMBLY |
| B | |
CHECK USE SIMULATION METHOD TO CHECK |
Steering Angle Sensor Unusual Bank Angle Detected (C1440)
DESCRIPTION
If the skid control ECU (master cylinder solenoid) determines that the vehicle
is being driven at a steep bank angle, the skid control ECU (master cylinder solenoid)
stores DTC C1440 ...
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:
Lost Communication with ECM / PCM "A" (U0100,U0126,U0129,U0142)
DESCRIPTION
These DTCs are stored if there is a malfunction in the CAN communication system
connected to the blind spot monitor sensor.
HINT:
If CAN communication system DTCs are stored, they may also be stored for other
systems.
DTC Code
DTC Detection Condition
...
Precaution
PRECAUTION
1. CAUTION REGARDING INTERFERENCE WITH ELECTRONIC DEVICES
CAUTION:
People with implantable cardiac pacemakers, cardiac resynchronization
therapy-pacemakers or implantable cardioverter defibrillators should keep
away from the smart key system antennas. The radio waves ma ...
System Description
SYSTEM DESCRIPTION
1. DESCRIPTION
The differential system (w/ Differential Lock) directly connects the
rear left and right wheels so that even if one wheel slips while driving
where drive torque transmission is difficult (such as on sand), the drive
torque of the other wheel is ...