Toyota Tacoma (2015-2018) Service Manual: Front Radar Sensor (C1A10)

NOTICE:

• When replacing the millimeter wave radar sensor assembly, always replace it with a new one. If a millimeter wave radar sensor assembly which was installed to another vehicle is used, the information stored in the millimeter wave radar sensor assembly will not match the information from the vehicle. As a result, a DTC may be stored.
• If the millimeter wave radar sensor assembly has been replaced, be sure to perform millimeter wave radar sensor assembly adjustment.

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Vehicle Information Not Obtained (C1A02)

DESCRIPTION When a new millimeter wave radar sensor assembly is installed, it receives vehicle specification information from the main body ECU (multiplex network body ECU) and stores the informa ...

ECU Power Source Circuit

DESCRIPTION This circuit supplies power to the millimeter wave radar sensor assembly when the ignition switch is ON. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circu ...

Other materials:

Lost Communication with ECM (C1437)
DESCRIPTION The skid control ECU (brake actuator assembly) receives signals from the ECM via the CAN communication system. DTC No. Detection Item DTC Detection Condition Trouble Area C1437 Lost Communication with ECM ...

Diagnosis System
DIAGNOSIS SYSTEM 1. DESCRIPTION The 4 wheel drive control ECU records DTCs when the ECU detects a malfunction in the ECU itself or in system circuits. The DTCs can be read through the DLC3 of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions ...

Front Speed Sensor RH Malfunction (C1401,C1402)
DESCRIPTION The speed sensor detects wheel speed and sends the appropriate signals to the skid control ECU (brake actuator assembly). These signals are used for brake control. The speed sensor rotors have rows of alternating N and S magnetic poles and their magnetic fields change when the roto ...