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:

Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for both the RH and LH sides. The procedure described below is for the LH side. PROCEDURE 1. INSTALL CURTAIN SHIELD AIRBAG ASSEMBLY (a) Insert the 6 hooks, install 7 new bolts, 2 new clips (A) with pins and 2 ...

Precaution
PRECAUTION 1. PRECAUTIONS WHEN USING TECHSTREAM (a) When using the Techstream with the engine switch off to troubleshoot: Connect the Techstream to the DLC3, and turn a courtesy light switch on and off at 1.5 second or less intervals until communication between the Techstream and vehicle begin ...

Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter
DESCRIPTION for Audio Function: The radio and display receiver assembly receives a vehicle speed signal from the combination meter assembly and sends the signal to radio and display receiver assembly. for Automatic Sound Levelizer (ASL): This circuit is necessary fo ...

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