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:
Interior Light Auto Cut Circuit
DESCRIPTION
When the battery saving control operates, the main body ECU (multiplex network
body ECU) controls the operation of the DOME CUT relay, that is built in to the
driver side junction block, to turn off the interior lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
In ...
4wd Control Ecu
Components
COMPONENTS
ILLUSTRATION
Installation
INSTALLATION
PROCEDURE
1. INSTALL 4 WHEEL DRIVE CONTROL ECU
(a) Engage the 2 guides to install the 4 wheel drive control ECU.
(b) Install the 2 bolts.
Torque:
5.0 N·m {51 kgf·cm, 44 in·lbf}
(c) Connect the 2 connectors.
2. INSTALL ...
System Description
SYSTEM DESCRIPTION
1. LIN COMMUNICATION SYSTEM DESCRIPTION
The LIN communication system is used for communication between the components
in the tables below. If communication cannot be performed through LIN communication
because of an open in the communication lines or other reasons, the maste ...
