Toyota Tacoma manuals

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 ). PROCEDURE ).

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. ).

(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 Result ).

Result

Result

Proceed to

DTC output

A

DTC not output

B

A

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:

Initialization not Completed (C2177/77)
DESCRIPTION Initialization is necessary if one of the following occurs: The tire pressure warning ECU and receiver is replaced. A tire pressure warning valve and transmitter is replaced. Tires with different standard tire pressures are installed. The tires are rotated. A new ...

Removal
REMOVAL PROCEDURE 1. REMOVE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY (See page ) 2. REMOVE WINDSHIELD WIPER SWITCH ASSEMBLY 3. REMOVE HEADLIGHT DIMMER SWITCH ASSEMBLY (a) Disconnect the connector. (b) Disengage the 3 claws to remove the he ...

Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC) (C1277,...,C1416)
DESCRIPTION Refer to DTCs C1401 and C1402 (See page ). DTC Code DTC Detection Condition Trouble Area C1277 C1278 Stored only during test mode. Rear speed sensor RH/LH Rear speed sensor rotor RH/LH (Rear ax ...

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