Toyota Tundra Service Manual: Front Radar Sensor (C1A10)

DESCRIPTION

When an internal malfunction is detected in the millimeter wave radar sensor assembly, DTC C1A10 is stored.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C1A10	Front Radar Sensor	When the ignition switch is ON, the millimeter wave radar sensor assembly detects an internal malfunction for approximately 1 second or more.	Millimeter wave radar sensor assembly

CAUTION / NOTICE / HINT

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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PROCEDURE

1.	REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY

(a) Replace the millimeter wave radar sensor assembly.

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(b) Adjust the millimeter wave radar sensor assembly.

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2.	CLEAR DTC (PRE-COLLISION SYSTEM)

(a) Clear the DTCs.

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END

Toyota Tundra Service Manual > Engine Immobiliser System (w/o Smart Key System): Theft Deterrent System Communication Line High Fixation (B279A)
DESCRIPTION When the communication line (EFIO-IMI) between the transponder key ECU assembly and ECM is stuck on HI output, the ECM stores this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area Note B279A Theft Deterrent System Communication Line High Fixation The communication line (E ...

Toyota Tundra Owners Manual