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:
Open or Short in Master Cylinder Pressure Sensor (C1421,C1423,C1424,C142A,C1449)
DESCRIPTION
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
C1421
Open or Short in Master Cylinder Pressure Sensor
Any of the following is detected:
When voltage at terminal +BS is 9.5 V or ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT AIR CONDITIONER PRESSURE SENSOR (for Automatic Air Conditioning System)
(a) Check the wire harness.
(1) Disconnect the A34 air conditioner pressure sensor connector.
(2) Disconnect the A35 and A36 air conditioning amplifier assembly connector.
...
Installation
INSTALLATION
PROCEDURE
1. INSPECT AND ADJUST BRAKE BOOSTER PUSH ROD
NOTICE:
The brake booster interior must not be a vacuum when adjusting the booster. Stop
the engine and depress the brake pedal several times until there is no vacuum in
the booster.
HINT:
Adjust the booster push rod when ...
