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:

Parts Location
PARTS LOCATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ...

Coolant
Replacement REPLACEMENT PROCEDURE 1. REMOVE NO. 2 ENGINE UNDER COVER SUB-ASSEMBLY (w/ Off Road Package) 2. REMOVE NO. 1 ENGINE UNDER COVER SUB-ASSEMBLY 3. DRAIN ENGINE COOLANT CAUTION: Do not remove the radiator cap sub-assembly, cylinder block drain cock plug or radiator drain ...

Theft Deterrent System is not Unset when Engine is Running
DESCRIPTION The theft deterrent system is unset when the IG signal and engine speed signal are input to the main body ECU (multiplex network body ECU) for 2 seconds or more continuously. The engine speed signal is sent from the ECM to the main body ECU (multiplex network body ECU). For this ...