Toyota Tacoma (2015-2018) Service Manual: Heater Circuit (C1AAE)

Toyota Tacoma (2015-2018) Service Manual / Pre-collision / Pre-collision System / Heater Circuit (C1AAE)

DESCRIPTION

If the forward recognition camera detects a malfunction in the camera heater (forward recognition hood) circuit, it will output a malfunction signal to the millimeter wave radar sensor assembly via CAN communication and DTC C1AAE will be stored.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C1AAE	Heater Circuit	When the ignition switch is ON, the millimeter wave radar sensor assembly receives a camera heater (forward recognition hood) circuit malfunction signal from the forward recognition camera continuously for 5 seconds or more.	Forward recognition camera system

PROCEDURE

1.	GO TO FORWARD RECOGNITION CAMERA SYSTEM

HINT:

If DTC C1AAE is output by the pre-collision system, perform troubleshooting for the forward recognition camera system.

Click here

END

Vehicle Control History

VEHICLE CONTROL HISTORY VEHICLE CONTROL HISTORY (a) A part of the control history can be confirmed using the vehicle control history. Click here ...

Lost Communication with ECM / PCM "A" (U0100,U0125,U0126,U0129)

DESCRIPTION These DTCs are stored when a communication malfunction occurs between ECUs that perform pre-collision system control. DTC No. Detection Item DTC Detect ...

Other materials:

Brake Warning Light Remains ON
DESCRIPTION The skid control ECU (brake actuator assembly) is connected to the combination meter assembly via CAN communication. If any of the following is detected, the brake warning light remains on: The skid control ECU (brake actuator assembly) connector is disconnected from the ...

Black Screen
PROCEDURE 1. CHECK DISPLAY SETTING (a) Check that the display is not in "Screen Off" mode. OK: The display setting is not in "Screen Off" mode. NG CHANGE SCREEN TO SCREEN ON MODE OK ...

Check Bus 3 Line for Short to GND
DESCRIPTION There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between terminal 6 (CA3H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 21 (CA3L) of the central gateway ECU (network gateway ECU) and ...