Toyota Tacoma manuals

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


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.


Detection Item

DTC Detection Condition

Trouble Area


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





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

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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:

PRECAUTION 1. EXPRESSIONS OF IGNITION SWITCH HINT: 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) ...

Unable to Lock Steering Wheel
DESCRIPTION The steering lock actuator assembly activates the steering lock motor and moves the lock bar into the steering column to lock the steering. When the steering lock is operating, the steering may not lock when the lock bar is not aligned with the lock hole of the steering column. In ...

Turn Signal Switch Circuit
DESCRIPTION The combination meter assembly receives the turn signal switch information and controls the turn signal lights. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING TECHSTREAM (TURN SIGNAL SWITCH) (a) Connect the Techstream to the DLC3. (b) Turn the igni ...

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