Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Acceleration Sensor Internal Circuit (C1419,C1435)

DESCRIPTION

The skid control ECU (brake actuator assembly) 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 and detects the vehicle condition.

If there is trouble in the bus lines between the acceleration sensor (airbag sensor assembly) and the CAN communication system, DTCs U0124 (Lost Communication with Lateral Acceleration Sensor Module) are set.

These DTCs are also output when calibration has not been completed.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1419

Acceleration Sensor Internal Circuit

A data malfunction signal is received from the acceleration sensor.

Acceleration sensor (Airbag sensor assembly)

C1435

Yaw Rate Sensor Internal Circuit

A data malfunction signal is received from the yaw rate sensor.

Yaw rate sensor (Airbag sensor assembly)

CAUTION / NOTICE / HINT

NOTICE:

When replacing the yaw rate and acceleration sensor (airbag sensor assembly), perform zero point calibration and store system information (See page HINT: HINT: ).

HINT:

When U0124 and/or U0126 is output together with C1419 and/or C1435, inspect and repair the trouble areas indicated by U0124 and/or U0126 first (See page PROCEDURE ).

PROCEDURE

1.

REPLACE AIRBAG SENSOR ASSEMBLY

(a) Replace the airbag sensor assembly (See page HINT: HINT: ).

HINT:

If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step (See page ).

NEXT

END

High Power Supply Voltage Malfunction (C1417)
DESCRIPTION If a malfunction is detected in the power supply circuit, the skid control ECU (brake actuator assembly) stores this DTC and the fail-safe function prohibits ABS operation. This DTC ...

Open or Short in Master Cylinder Pressure Sensor (C1421,C1423,C1424,C142A,C1449)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area C1421 Open or Short in Master Cylinder Pressure Sensor ...

Other materials:

Rear Differential Lock Position SW Stuck OFF (P17BB)
DESCRIPTION This DTC is output when an OFF malfunction of the differential lock indicator switch is detected. DTC No. Detection Item DTC Detection Condition Trouble Area P17BB Rear Differential Lock Position SW Stuck OFF ...

Lost Communication with ECM / PCM "A" (U0100,U0122)
DESCRIPTION This DTC is output when communication is lost with the skid control ECU (brake actuator assembly) or ECM. DTC No. Detection Item DTC Detection Condition Trouble Area U0100 Lost Communication with ECM / PCM " ...

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 ...

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