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:
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Central Gateway ECU (Network Gateway ECU)
DTC Code
Detection Item
See page
B1003
ECU Malfunction
...
Rear Differential Lock Solenoid Circuit Low (P17C0)
DESCRIPTION
This DTC is output when a malfunction is detected due to a short to ground occurring
in the differential lock coil drive circuit of the rear differential.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
P17C0
...
Mechanical System Tests
MECHANICAL SYSTEM TESTS
1. STALL SPEED TEST
HINT:
This test is to check the overall performance of the engine and transmission.
CAUTION:
This test should be done on a paved surface (a surface that is not slippery).
To ensure safety, perform this test in an open and level area tha ...
