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

Toyota Tacoma (2015-2018) Service Manual / Cruise Control / Lane Departure Alert System / Fail-safe Chart

FAIL-SAFE CHART

FAIL-SAFE FUNCTION

(a) When a malfunction occurs in the lane departure alert system, a message will be displayed on the multi-information display in the combination meter assembly and the lane departure alert system will be disabled depending on the malfunction.

Warning Message	Cause	Fail-safe Operation		Conditions to Return to Normal Condition
Warning Message	Cause	Lane Departure Alert Function	Vehicle Sway Warning	Conditions to Return to Normal Condition
Lane Departure Alert Malfunction Visit Your Dealer	Lane departure alert system is malfunctioning	X	X	After system returns to normal, ignition switch is turned off and then to ON
Front Camera Unavailable	Abnormal forward recognition camera voltage Forward recognition camera temperature outside of operational range Other forward recognition camera malfunction	X	X	Forward recognition camera temperature returns to normal Forward recognition camera voltage returns to normal Forward recognition camera returns to normal
Front Camera Vision Blocked Clean and Demist Windshield	Forward recognition camera view is unclear	X	X	Forward recognition camera or area of windshield glass in front of forward recognition camera is cleaned

X: Control is suspended

Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART LANE DEPARTURE ALERT SYSTEM DTC No. Detection Item Link C1A47 Steering Angle Sensor ...

Steering Angle Sensor (C1A47)

DESCRIPTION The forward recognition camera receives steering angle information from the spiral cable with sensor sub-assembly. If the forward recognition camera detects a spiral cable with sensor ...

Other materials:

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT RADIATOR CAP SUB-ASSEMBLY CAUTION: Do not remove the radiator cap sub-assembly while the engine and radiator assembly are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns. (a) Measure the valve opening pr ...

Power Source Circuit
DESCRIPTION This circuit provides power to operate the forward recognition camera. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following inspection procedure. PROCEDURE 1. CHECK HARNESS A ...

Test Mode Procedure
TEST MODE PROCEDURE 1. TEST MODE (SIGNAL CHECK MODE) PROCEDURE HINT: When entering test mode (signal check mode), the tire pressure warning ECU and receiver stores all the test mode (signal check mode) DTCs first. After the tire pressure warning ECU and receiver completes the signa ...