Toyota Tacoma (2015-2018) Service Manual: Fail-safe Chart

Toyota Tacoma (2015-2018) Service Manual / Pre-collision / Pre-collision System / Fail-safe Chart

FAIL-SAFE CHART

FAIL-SAFE FUNCTION

(a) When a malfunction occurs in the pre-collision system, a message will be displayed on the multi-information display and the pre-collision system will be disabled depending on the malfunction.

Warning Message	Cause	DTC No.	Conditions to Return to Normal
"Pre-Collision System Malfunction Visit Your Dealer"	Pre-collision system malfunction	C1A02	System returns to normal
		C1A10	After system returns to normal, ignition switch is turned off and then ON
		C1A11	After system returns to normal, ignition switch is turned off and then ON
		C1A14	After system returns to normal, ignition switch is turned off and then ON
		C1A46	After system returns to normal, ignition switch is turned off and then ON
		C1A47	After system returns to normal, ignition switch is turned off and then ON
		C1A4A	System returns to normal
		C1A4B	System returns to normal
		C1A50	System returns to normal
		C1A63	System returns to normal
		C1A69	After system returns to normal, ignition switch is turned off and then ON
		C1AA0	After system returns to normal, ignition switch is turned off and then ON
		C1AA8	After system returns to normal, ignition switch is turned off and then ON
		C1AA9	After system returns to normal, ignition switch is turned off and then ON
		C1AAE	System returns to normal
		U0100	System returns to normal
		U0125	System returns to normal
		U0126	System returns to normal
		U0129	System returns to normal
		U0235	System returns to normal
		U023A	System returns to normal
		U1002	System returns to normal
"Pre-Collision System Unavailable"	Millimeter wave radar sensor assembly misaligned		Millimeter wave radar sensor assembly beam axis adjustment is completed and beam axis learning is completed
"Pre-Collision System Unavailable Clean Sensor"	Foreign matter attached to millimeter wave radar sensor assembly		Millimeter wave radar sensor assembly is cleaned
"Front Camera Unavailable"	Forward recognition camera temporarily malfunctioning Abnormal forward recognition camera voltage Forward recognition camera temperature outside of operational range		Forward recognition camera temperature returns to normal Forward recognition camera voltage returns to normal
"Front Camera Unavailable Remove Debris On Windshield"	The forward recognition camera or windshield glass within the field of view of the forward recognition camera is dirty or fogged up		The forward recognition camera or windshield glass within the field of view of the forward recognition camera is dirty or fogged up is cleaned

Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Pre-collision System DTC No. Detection Item Link C1A02 Vehicle Information Not Obtained ...

Lost Communication With Image Processing Module "A" (U023A)

DESCRIPTION The millimeter wave radar sensor assembly communicates with the forward recognition camera via CAN communication. If there is a communication error with the forward recognition camera ...

Other materials:

Steering Pad Switch Circuit
DESCRIPTION The forward recognition camera receives a lane departure alert switch signal from the steering pad switch assembly. WIRING DIAGRAM for 2TR-FE for 2GR-FKS CAUTION / NOTICE / HINT NOTICE: The vehicle is equipped with a Supplemental Restraint System (SRS) which includes compo ...

Components
COMPONENTS ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ...

Passenger Side Buckle Switch Circuit Malfunction (B1771)
DESCRIPTION The passenger side buckle switch circuit consists of the occupant detection ECU and the front seat inner belt assembly RH. DTC B1771 is recorded when a malfunction is detected in the passenger side buckle switch circuit. Troubleshoot DTC B1771 first when DTCs B1771 and B1795 are o ...