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

Toyota Tacoma (2015-2018) Service Manual / Pre-collision / Pre-collision System / 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

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:

Data List / Active Test
DATA LIST / ACTIVE TEST READ DATA LIST 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 ...

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT SPEEDOMETER (a) Check speedometer operation. NOTICE: The meter ECU receives the vehicle speed signal from the skid control ECU via CAN communication. Therefore, perform the following inspection referring to values on the Data List of th ...

Air conditioning system
Adjusting the settings ■ Adjusting the temperature setting Turn the temperature control dial clockwise (warm) or counterclockwise (cool). If is not pressed, the system will blow ambient temperature air or heated air. For quick cooling, turn the temperature control dial to the MAX A/C ...