Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: Other System Malfunction (C1A63)

DESCRIPTION

The millimeter wave radar sensor assembly receives accelerator pedal position sensor signals from the ECM to determine if the accelerator pedal is being depressed. If the ECM detects a malfunction in the accelerator pedal position sensor or SFI system, the millimeter wave radar sensor assembly is notified via CAN communication and stores DTC C1A63.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1A63

Other System Malfunction

With the ignition switch ON, the millimeter wave radar sensor assembly receives an accelerator pedal position sensor malfunction signal from the ECM for approximately 2 seconds or more.

SFI system

PROCEDURE

1.

GO TO SFI SYSTEM

HINT:

If DTC C1A63 is output by the pre-collision system, perform troubleshooting for the SFI system.

  • for 2TR-FE: Click here for 2GR-FKS: Click here
  • for 2GR-FKS: Click here
NEXT

END

Brake System Malfunction (C1A50)
DESCRIPTION When the pre-collision system is operating, the millimeter wave radar sensor assembly sends brake control signals to the skid control ECU (master cylinder solenoid)*1 or skid control ...

Brake Control Signal Mismatch (C1A69)
DESCRIPTION The skid control ECU (master cylinder solenoid)*1 or skid control ECU (brake actuator assembly)*2 sends signals to the millimeter wave radar sensor assembly according to the brake con ...

Other materials:

Precaution
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Steering Angle Sensor Zero Point Malfunction (C1290)
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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each sy ...

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