PRE-COLLISION: PRE-COLLISION SYSTEM: DIAGNOSIS SYSTEM; 2018 - 2020 MY Camry [03/2017

Last Modified: 11-20-2023	6.11:8.1.0	Doc ID: RM1000000012S7A
Model Year Start: 2018	Model: Camry	Prod Date Range: [03/2017 - 10/2020]
Title: PRE-COLLISION: PRE-COLLISION SYSTEM: DIAGNOSIS SYSTEM; 2018 - 2020 MY Camry [03/2017 - 10/2020]

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 Millimeter wave radar sensor assembly temperature malfunction Millimeter wave radar sensor assembly low voltage malfunction	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 Vision Blocked Clean and Demist Windshield"	Front of forward recognition camera or windshield glass is dirty or misty	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: 1.5sec.	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.