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:
Precaution
PRECAUTION
CAUTION:
The vehicle is equipped with SRS, which consists of a driver airbag,
front passenger airbag, side airbags and curtain shield airbags and knee
airbags. Failure to carry out service operations in the correct sequence
could cause the SRS to unexpectedly deploy ...
Front Differential Oil Temperature Sensor Circuit Low (P17C7)
DESCRIPTION
This DTC is output when a short to ground in the oil temperature sensor is detected.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
P17C7
Front Differential Oil Temperature Sensor Circuit Low
...
Room Light Assembly
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE NO. 1 ROOM LIGHT ASSEMBLY
(a) Using a screwdriver with its tip wrapped in protective tape, disengage
the 4 claws to remove the No. 1 room light lens.
Text in Illustration
*a
...
