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

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Other materials:

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Data List / Active Test
DATA LIST / ACTIVE TEST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or s ...

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