Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Diagnosis System

DIAGNOSIS SYSTEM

CHECK DLC3

(a) Check the DLC3.

Click here FUNCTION OF WARNING INDICATOR AND MESSAGE

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"

  • Abnormal forward recognition camera voltage
  • Forward recognition camera temperature outside of operational range

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 Illumination Status

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:

Mirror Heater does not Operate with Rear Defogger Switch
DESCRIPTION When the mirror heater switch on the air conditioning control assembly is pressed, the operation signal is sent to the air conditioning amplifier assembly. When the air conditioning amplifier assembly receives the signal, it turns on a relay in the air conditioning amplifier assem ...

Data List / Active Test
DATA LIST / ACTIVE TEST 1. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals ...

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE MILLIMETER WAVE RADAR WIRE (w/ Toyota Safety Sense P) Click here 2. REMOVE MILLIMETER WAVE RADAR SENSOR ASSEMBLY (w/ Toyota Safety Sense P) Click here 3. REMOVE NO. 1 RADIATOR GRILLE GARNISH (a) When Replacing the No. 1 Radiator Grille Garnish: (1) Apply p ...

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