Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000012S78
Model Year Start: 2018 Model: Camry Prod Date Range: [03/2017 - 10/2020]
Title: PRE-COLLISION: PRE-COLLISION SYSTEM: PROBLEM SYMPTOMS TABLE; 2018 - 2020 MY Camry [03/2017 - 10/2020]

PROBLEM SYMPTOMS TABLE

HINT:

  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
  • The pre-collision system uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting.

Pre-collision System

Symptom

Suspected Area

Link

"Pre-Collision System Unavailable" is displayed

Perform millimeter wave radar sensor assembly adjustment*1

2018 MY Camry [03/2017 - 06/2017]; CRUISE CONTROL: MILLIMETER WAVE RADAR SENSOR: ADJUSTMENT 2018 - 2020 MY Camry [06/2017 - 10/2020]; CRUISE CONTROL: MILLIMETER WAVE RADAR SENSOR: ADJUSTMENT

Millimeter wave radar sensor assembly temperature malfunction

2018 - 2020 MY Camry [03/2017 - 10/2020]; PRE-COLLISION: PRE-COLLISION SYSTEM: DATA LIST / ACTIVE TEST

Millimeter wave radar sensor assembly low voltage malfunction

2018 - 2020 MY Camry [03/2017 - 10/2020]; PRE-COLLISION: PRE-COLLISION SYSTEM: DATA LIST / ACTIVE TEST

Millimeter wave radar sensor assembly

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: MILLIMETER WAVE RADAR SENSOR: REMOVAL

Combination meter assembly

2018 MY Camry [03/2017 - 06/2017]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2018 - 2020 MY Camry [06/2017 - 10/2020]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

"Pre-Collision System Unavailable Clean Sensor" is displayed

Foreign matter attached to millimeter wave radar sensor assembly

-

Millimeter wave radar sensor assembly

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: MILLIMETER WAVE RADAR SENSOR: REMOVAL

Combination meter assembly

2018 MY Camry [03/2017 - 06/2017]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2018 - 2020 MY Camry [06/2017 - 10/2020]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

"Front Camera Unavailable" is displayed

Check current condition of forward recognition camera based on related Data List items.

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

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: FORWARD RECOGNITION CAMERA SYSTEM: DATA LIST / ACTIVE TEST

Forward recognition camera

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: FRONT CAMERA: REMOVAL

Combination meter assembly

2018 MY Camry [03/2017 - 06/2017]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2018 - 2020 MY Camry [06/2017 - 10/2020]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

Millimeter wave radar sensor assembly

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: MILLIMETER WAVE RADAR SENSOR: REMOVAL

"Front Camera Vision Blocked Clean and Demist Windshield" is displayed

Foreign matter attached to forward recognition camera or area of windshield glass in front of forward recognition camera

-

Forward recognition camera

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: FRONT CAMERA: REMOVAL

Combination meter assembly

2018 MY Camry [03/2017 - 06/2017]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2018 - 2020 MY Camry [06/2017 - 10/2020]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

Millimeter wave radar sensor assembly

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: MILLIMETER WAVE RADAR SENSOR: REMOVAL

Although there is possibility of collision, pre-collision controls (all controls) do not operate ("Pre-collision System Unavailable" is not displayed)

Check if pre-collision system is canceled

-

Vehicle condition/environment does not match the pre-collision system operation conditions (Confirm control operation conditions)

2018 MY Camry [03/2017 - 06/2017]; PRE-COLLISION: PRE-COLLISION SYSTEM: SYSTEM DESCRIPTION 2018 - 2020 MY Camry [06/2017 - 10/2020]; PRE-COLLISION: PRE-COLLISION SYSTEM: SYSTEM DESCRIPTION

Check installation condition of millimeter wave radar sensor assembly

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: MILLIMETER WAVE RADAR SENSOR: INSTALLATION

Perform millimeter wave radar sensor assembly adjustment

2018 MY Camry [03/2017 - 06/2017]; CRUISE CONTROL: MILLIMETER WAVE RADAR SENSOR: ADJUSTMENT 2018 - 2020 MY Camry [06/2017 - 10/2020]; CRUISE CONTROL: MILLIMETER WAVE RADAR SENSOR: ADJUSTMENT

Millimeter wave radar sensor assembly

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: MILLIMETER WAVE RADAR SENSOR: REMOVAL

Check installation condition of forward recognition camera

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: FRONT CAMERA: INSTALLATION

Perform forward recognition camera adjustment

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: FRONT CAMERA: ADJUSTMENT (SEQUENTIAL RECOGNITION)

Forward recognition camera

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: FRONT CAMERA: REMOVAL

Although there is no possibility of collision, pre-collision controls (all controls) operate

Vehicle condition/environment does not match the pre-collision system operation conditions (Confirm control operation conditions)

2018 MY Camry [03/2017 - 06/2017]; PRE-COLLISION: PRE-COLLISION SYSTEM: SYSTEM DESCRIPTION 2018 - 2020 MY Camry [06/2017 - 10/2020]; PRE-COLLISION: PRE-COLLISION SYSTEM: SYSTEM DESCRIPTION

Check installation condition of millimeter wave radar sensor assembly

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: MILLIMETER WAVE RADAR SENSOR: INSTALLATION

Perform millimeter wave radar sensor assembly adjustment

2018 MY Camry [03/2017 - 06/2017]; CRUISE CONTROL: MILLIMETER WAVE RADAR SENSOR: ADJUSTMENT 2018 - 2020 MY Camry [06/2017 - 10/2020]; CRUISE CONTROL: MILLIMETER WAVE RADAR SENSOR: ADJUSTMENT

Millimeter wave radar sensor assembly

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: MILLIMETER WAVE RADAR SENSOR: REMOVAL

Check installation condition of forward recognition camera

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: FRONT CAMERA: INSTALLATION

Perform forward recognition camera adjustment

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: FRONT CAMERA: ADJUSTMENT (SEQUENTIAL RECOGNITION)

Forward recognition camera

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: FRONT CAMERA: REMOVAL

Pre-collision system does not operate

Check if pre-collision system is canceled

-

ECU power source circuit

2018 - 2020 MY Camry [03/2017 - 10/2020]; PRE-COLLISION: PRE-COLLISION SYSTEM: ECU Power Source Circuit

Millimeter wave radar sensor assembly

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: MILLIMETER WAVE RADAR SENSOR: REMOVAL

Pre-collision system cannot be canceled (PCS warning light does not illuminate)

Check steering pad switch assembly condition

-

Combination meter assembly (check if indicator illuminates using Active Test)

2018 MY Camry [03/2017 - 06/2017]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DATA LIST / ACTIVE TEST 2018 MY Camry [06/2017 - 08/2018]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DATA LIST / ACTIVE TEST 2019 - 2020 MY Camry [08/2018 - 03/2020]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DATA LIST / ACTIVE TEST 2020 MY Camry [03/2020 - 10/2020]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DATA LIST / ACTIVE TEST

Millimeter wave radar sensor assembly

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: MILLIMETER WAVE RADAR SENSOR: REMOVAL

Combination meter assembly

2018 MY Camry [03/2017 - 06/2017]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2018 - 2020 MY Camry [06/2017 - 10/2020]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

Pre-collision system warning timing cannot be changed (warning timing setting screen not displayed on multi-information display)

Millimeter wave radar sensor assembly

2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: MILLIMETER WAVE RADAR SENSOR: REMOVAL

Combination meter assembly

2018 MY Camry [03/2017 - 06/2017]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2018 - 2020 MY Camry [06/2017 - 10/2020]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

*1: If error code 7 is output during beam axis alignment, clear the DTCs and perform beam axis alignment again.