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
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- for 2GR-FKS: Click here
| NEXT | .gif) |
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:
Components
COMPONENTS
ILLUSTRATION
*A
for Access Cab
-
-
*1
NO. 1 FRONT DOOR NAME PLATE
*2
NO. 1 ROOF SIDE NAME PLATE
●
Non-reusable part
-
-
ILLUSTRAT ...
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
If a trouble code is indicated while checking DTCs, inspect the circuit listed
for that code in the table below, and proceed to the applicable page.
Cruise Control System
DTC Code
Detection Item
MIL
See page
...
