Pre-collision malfunction light TOYOTA C-HR 2018 1.G Owners Manual

2254-5. Using the driving support systems
4
Driving
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If the PCS warning light flashes or illuminates, and a warning message is
displayed on the mult i-information display
The pre-collision system may be tem porarily unavailable or there may be a
malfunction in the system.
● In the following situations, the warning light will turn off, the message will
disappear and the system will become operational when normal operating
conditions return:
• When the radar sensor or camera sensor or the area around either sen-
sor is hot, such as in the sun
• When the radar sensor or camera sensor or the area around either sen- sor is cold, such as in an extremely cold environment
• When the radar sensor or front grille emblem is dirty or covered with
snow, etc.
• When the part of the windshield in front of the camera sensor is fogged up or covered with condensation or ice
(Defogging the windshield: →P. 293)
• If the camera sensor is obstructed, such as when the hood is open or a sticker is attached to the windshield near the camera sensor
● If the PCS warning light continues to flash or illuminate, or the warning mes-
sage does not disappear, the system may be malfunctioning. Have the vehi-
cle inspected by your Toyota dealer immediately.
■ If VSC is disabled
●If VSC is disabled ( →P. 281), the pre-collision brake assist and pre-collision
braking functions are also disabled.
● The PCS warning light will turn on and “VSC Turned Off Pre-Collision Brake
System Unavailable.” will be displayed on the multi-information display.

2814-5. Using the driving support systems
4
Driving
C-HR_OM_USA_OM10526U
■Turning off both TRAC and VSC systems
To turn the TRAC and VSC systems off, press and hold for more than 3
seconds while the vehicle is stopped.
The VSC off indicator light will come on and the message will be shown on
the multi-information display.
*
*
: On vehicles with pre-collision system, pre-collision brake assist and pre-
collision braking will also be disabled. The PCS warning light will come on
and the message will be shown on the multi-information display. ( →P. 410)
Press again to turn the systems back on.
■ When the message is displayed on th e multi-information display show-
ing that TRAC has been disable d even if has not been pressed
TRAC cannot be operated. Contact your Toyota dealer.
■ Sounds and vibrations caused by the ABS, brake assist, VSC, TRAC and
hill-start assist control systems
●A sound may be heard from the engine compartment when the brake pedal
is depressed repeatedly, when the engine is started or just after the vehicle
begins to move. This sound does not indicate that a malfunction has
occurred in any of these systems.
● Any of the following conditions may occur when the above systems are
operating. None of these indicates that a malfunction has occurred.
• Vibrations may be felt through the vehicle body and steering.
• A motor sound may be heard also after the vehicle comes to a stop.
• The brake pedal may pulsate slightly after the ABS is activated.
• The brake pedal may move down slightly after the ABS is activated.

4107-2. Steps to take in an emergency
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(Yellow)
Brake system warning lightIndicates a malfunction in the electric parking brake
→ Have the vehicle inspected by your Toyota dealer
immediately.
PCS warning light
When the warning light flashes (and a buzzer sounds):
Indicates a malfunction in the PCS (Pre-Collision System)
→ Have the vehicle inspected by your Toyota dealer
immediately.
When the warning light illuminates:
Indicates that the PCS (Pre-Collision System) is temporar-
ily unavailable, possibly due to either of the following:
• An area around the radar sensor or camera sensor being dirty or covered with condensation, ice, stickers,
etc.
→ Clear the dirt, condensation, ice, stickers, etc.
(→P. 206, 207)
• Radar sensor or camera sensor operational conditions (such as temperature, etc.) being not met
→ Driving is possible in th is case. The PCS (Pre-Colli-
sion System) will be enabled if the operational condi-
tions (such as temperature, etc.) are met again.
When the warning light is illuminated:
• Either the VSC (Vehicle Stability Control) system or PCS (Pre-Collision System) is disabled or both are disabled.
→ To enable the PCS, enable both the VSC system and
PCS. ( →P. 215, 281)
*2
(Flashes) (U.S.A.)
(Flashes) (Canada)
Parking brake indicator (warning buzzer) It is possible that the parking brake is not fully engaged or
released
→ Operate the parking brake switch once again.
This light comes on when the parking brake is not
released. If the light turns off after the parking brake is fully
released, the system is operating normally.
Warning lightWarning light/Details/Actions

4207-2. Steps to take in an emergency
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■Warning messages
The warning messages explained below may differ from the actual messages
according to operation conditions and vehicle specifications.
■ System warning lights
The master warning light does not come on or flash in the following cases.
Instead, a separate system warning light will come on along with a message
shown on the multi-information display.
“Anti-lock Brake System Malfunction Visit Your Dealer”:
The ABS warning light comes on. ( →P. 409)
■ If “Visit Your Dealer” is shown
The system or part shown on the multi-information display is malfunctioning.
Have the vehicle inspected by your Toyota dealer.
■ If a message about an operation is shown
●If a message about an operation of the accelerator pedal or brake pedal is
shown
A warning message about an operation of the brake pedal may be shown
while the driving assist systems such as PCS (Pre-Collision System) or the
dynamic radar cruise control with full-speed range is operating. If a warning
message is shown, be sure to decelerate the vehicle or follow the instruction
shown on the multi-information display.
● A warning message is shown when Brake Override System or Drive-Start
Control operates ( →P. 148). Follow the instructions on the multi-informa-
tion display.
● If a message about an operation of the engine switch is shown
An instruction for operation of the engine switch is shown when the inco\
rrect
procedure for starting the engine is performed or the engine switch is oper-
ated incorrectly. Follow the instructions shown on the multi -information dis-
play to operate the engine switch again.
● If a message about a shift lever operation is shown
To prevent the shift lever from being operated incorrectly or the vehicle from
moving unexpectedly, a message that requires shifting the shift lever may
be shown on the multi-information display. In that case, follow the instruction
of the message and shift the shift lever.
● If a message or image about an open/close state of a part or replenishment
of a consumable is shown
Confirm the part indicated by the multi-information display or a warning light,
and then perform the coping method such as closing the open door or
replenishing a consumable.

508Alphabetical index
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MaintenanceDo-it-yourself maintenance ... 335
General maintenance ........... 330
Maintenance data ................. 450
Maintenance
requirements ...................... 327
Reset the maintenance data .................................... 328
Malfunction indicator lamp ..... 409
Master warning light................ 412
Meter ........................................... 86 Indicators ................................ 81
Instrument panel light control ........................... 88
Meters ..................................... 86
Multi-information display ......... 89
Warning lights ......................... 79
Mirrors Inside rear view mirror .......... 135
Outside rear view mirror defoggers ........................... 293
Outside rear view mirrors...... 137
Vanity mirrors........................ 313
Multi-information display .......... 89 Drive information..................... 90
Language ................................ 92
LDA (Lane Departure Alert) ................................... 226
PCS (Pre-Collision system) ........ ....................... 211
Settings ................................... 92
Warning message ................. 418 Noise from under vehicle ........... 6
Odometer ................................... 86
Oil
Engine oil .............................. 452
Opener Back door ............................. 113
Fuel filler door ....................... 202
Hood ..................................... 338
Outside rear view mirrors ....... 137
Adjusting and folding ............ 137
BSM (Blind Spot Monitor) ..... 253
Outside rear view mirror defoggers ........................... 293
Outside temperature display...................................... 86
Overheating, Engine ............... 443
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513Alphabetical index
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Vanity lights ............................. 313Wattage ................................ 457
Vanity mirrors .......................... 313
Vehicle data recording ................ 7
Vehicle identification number ................................... 450
Vehicle Stability Control (VSC) ...................................... 279
VSC (Vehicle Stabilit y Control) .... 279
Warning buzzers Blind Spot Monitor (BSM) ..... 253
Brake system ....... ................. 408
Downshifting ......................... 173
Electric power steering ......... 409
Engine coolant temperature ........................ 411
Engine oil pressure ............... 408
Engine system ....... ............... 409
LDA (Lane Departure Alert) ................................... 226
Key reminder ........................ 163
Open back door .................... 113
Open door ..................... 110, 113
Pre-collision warning............. 212
Radar cruise control.............. 245
Parking brake........................ 180
Seat belt reminder ................ 411 Warning lights ........................... 79
ABS ...................................... 409
Brake Override System ........ 412
Brake system ................ 408, 410
Charging system................... 408
Electric parking brake ........... 410
Electric power steering system .......... ...................... 409
Engine oil pressure ............... 408
High engine coolant temperature warning
light..................................... 411
Low fuel level ........................ 411
Malfunction indicator lamp .... 409
Master warning light ............. 412
PCS warning light ................. 410
Seat belt reminder light......... 411
Slip indicator ......................... 409
SRS ...................................... 409
Tire pressure ........................ 411
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