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:

Clearance Sonar Main Switch Circuit
DESCRIPTION The back sonar or clearance sonar switch assembly is installed at the base of the driver side of the instrument panel. When the back sonar or clearance sonar switch assembly is turned on, an on signal is sent to the clearance warning ECU assembly. The intuitive parking assist syste ...

LVDS Signal Malfunction (from Extension Module) (B1532)
DESCRIPTION The stereo component tuner assembly and the radio and display receiver assembly are connected by an LVDS communication line. This DTC is stored when an LVDS communication error occurs between the stereo component tuner assembly and the radio and display receiver assembly. ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by check ...