Toyota Tacoma (2015-2018) Service Manual: Diagnosis System
DIAGNOSIS SYSTEM
CHECK DLC3
(a) Check the DLC3.
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FUNCTION OF WARNING INDICATOR AND MESSAGE
(a) If the pre-collision system is not functioning properly, the driver is warned by the PCS warning light and a warning message displayed on the multi-information display.
|
Master Warning Indicator |
Warning Message |
Detail |
DTC |
PCS warning light |
|---|---|---|---|---|
|
Illuminated |
"Pre-Collision System Malfunction Visit Your Dealer" |
Pre-collision system malfunctioning |
Stored |
Blinks |
|
Not illuminated |
"Pre-Collision System Unavailable" |
Millimeter wave radar sensor assembly misaligned |
Not stored |
Illuminates |
|
Not illuminated |
"Pre-Collision System Unavailable Clean Sensor" |
Foreign matter attached to millimeter wave radar sensor assembly |
Not stored |
Illuminates |
|
Not illuminated |
"Front Camera Unavailable" |
|
Not stored |
Illuminates |
|
Not illuminated |
"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 |
Not stored |
Illuminates |
|
Not illuminated |
"VSC Turned Off Pre-Collision Brake System Unavailable" |
VSC system is disabled |
Not stored |
Illuminates |
|
PCS Warning Light |
Condition |
|
|---|---|---|
|
Blinks |
ON: 0.5 sec./OFF: 1.5 sec. |
Pre-collision system malfunctioning (DTC stored) |
|
Illuminates |
Pre-collision system temporarily disabled |
|
|
Pre-collision system disabled |
||
|
VSC system disabled |
||
|
Not illuminated |
Other |
|
INITIAL CHECK
(a) An initial check is performed when the ignition switch is off for more than 2 seconds and then turned to ON. The initial check consists of a pre-collision system diagnostic check with a duration of approximately 3 seconds.
(b) If a malfunction is detected during the initial check, the PCS warning light in the combination meter assembly will blink or illuminates and a warning message indicating the pre-collision system is malfunctioning or disabled will be displayed on the multi-information display.
CONSTANT CHECK
(a) The millimeter wave radar sensor assembly constantly monitors the pre-collision system for malfunctions after the ignition switch is turned to ON and the initial check (approximately 3 seconds) has completed.
(b) If a malfunction is detected during the constant check, the PCS warning light in the combination meter assembly will blink or illuminates and a warning message indicating the pre-collision system is malfunctioning or disabled will be displayed on the multi-information display.
Utility
UTILITY
NOTICE:
When replacing the millimeter wave radar sensor assembly, always replace
it with a new one. If a millimeter wave radar sensor assembly which was
installed to another ...
Dtc Check / Clear
DTC CHECK / CLEAR
CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Pre-Collision ...
Other materials:
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Perform "Inspection After Repairs" after replacing the fuel delivery pipe assembly
LH (fuel pressure sensor) (See page ).
PROCEDURE
1. INSTALL FUEL PIPE PLUG SUB-ASSEMBLY
(a) Install a new O-ring, new No. 1 fuel injector back-up ring, new ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT SPEEDOMETER
(a) Check speedometer operation.
NOTICE:
The meter ECU receives the vehicle speed signal from the skid control
ECU via CAN communication. Therefore, perform the following inspection referring
to values on the Data List of th ...
Front Speed Sensor RH Malfunction (C1401,C1402)
DESCRIPTION
The speed sensor detects wheel speed and sends the appropriate signals to the
skid control ECU (brake actuator assembly). These signals are used for brake control.
The speed sensor rotors have rows of alternating N and S magnetic poles and their
magnetic fields change when the roto ...
