Toyota Tacoma (2015-2018) Service Manual: 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 |
|
|---|---|---|---|---|
|
Lane Departure Alert Function |
Vehicle Sway Warning |
|||
|
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 |
|
X |
X |
|
|
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:
Steering Angle Sensor Power Source Voltage Malfunction (C1432)
DESCRIPTION
The skid control ECU (brake actuator assembly) outputs this DTC when it receives
a sensor power source malfunction signal from the steering angle sensor.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
C1432
...
Certification Ecu
Components
COMPONENTS
ILLUSTRATION
Installation
INSTALLATION
PROCEDURE
1. INSTALL CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Install the certification ECU (smart key ECU assembly) with the 2 nuts.
Torque:
6.5 N·m {66 kgf·cm, 58 in·lbf}
(b) Engage the clamp to install the wire ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT INPUT SHAFT
(a) Using a dial indicator and 2 V-blocks, measure the shaft runout.
Maximum runout:
0.03 mm (0.0012 in.)
If the runout is more than the maximum, replace the input shaft.
HINT:
Measure the 3 areas shown in the illustration wit ...
