2022 TOYOTA PRIUS PRIME check engine light

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PRIUS PRIME_OM_OM47E74U_(U)
7Maintenance and care
7-1. Maintenance and careCleaning and protecting the vehicle exterior .......... 574
Cleaning and protecting the vehicle interior ........... 579
7-2. Maintenance Maintenance requirements ................... 585
General maintenance........ 588
Emission inspection and maintenance (I/M)
programs......................... 591
7-3. Do-it-yourself maintenance Do-it-yourself service precautions ..................... 592
Hood ................................. 595
Positioning a floor jack ...... 597
Engine compartment ......... 598
Tires .................................. 612
Tire inflation pressure ....... 620
Wheels .............................. 623
Replacing the tire .............. 626
Air conditioning filter.......... 637
Wiper insert replacement .................... 641
Electronic key battery........ 644
Checking and replacing fuses ............................... 647
Headlight aim .................... 650
Light bulbs......................... 652

6738-2. Steps to take in an emergency
PRIUS PRIME_OM_OM47E74U_(U)
8
When trouble arises
Slip indicator lightIndicates a malfunction in:
• The VSC system;
• The TRAC system; or
• The hill-start assist control system
 Have the vehicle inspected by your Toyota dealer
immediately.
The light will flash when the ABS, VSC or TRAC system is
operating.
High coolant temperature warning light • When the light flashes:
Indicates that the engine coolant temperature is too high
The light changes from a flashing to a solid light when
the temperature further increases
 Immediately stop the vehicle in a safe place. ( P. 718)
• When the light comes on without flashing: Indicates a malfunction in the exhaust heat recirculator
system
 Have the vehicle inspected by your Toyota dealer
immediately.
(Flashes)
(If equipped)
PKSB OFF indicator
Indicates a malfunction in the Parking Support Brake func-
tion
 Have the vehicle inspected by your Toyota dealer.
The warning light will operate as follows, even when the
system is not malfunctioning:
• The light will come on when the Parking Support Brake function is turned off ( P. 453)
• The light will come on when the Parking Support Brake function is operating ( P. 457)
• The light will flash when the system cannot be temporar- ily used ( P. 459)
Open door warning light (warning buzzer)*3
Indicates that a door is not fully closed
 Check that all the doors are closed.
Low fuel level warning light
Indicates that remaining fuel is approximately 1.7 gal.
(6.4 L, 1.4 Imp.gal.) or less
 Refuel the vehicle.
Warning lightWarning light/Details/Actions

7138-2. Steps to take in an emergency
PRIUS PRIME_OM_OM47E74U_(U)
8
When trouble arises
Connect the jumper cables according to the following procedure:Connect a positive jumper cable clamp to the positive (+) batte ry
terminal on your vehicle.
Connect the clamp on the other end of the positive cable to the
positive (+) battery termi nal on the second vehicle.
Connect a negative cable clamp to the negative (-) battery term i-
nal on the s econd vehicle.
Connect the clamp at the other e nd of the negative cable to a
solid, stationary, unpainted metallic point away from the 12-vo lt
battery and any movin g parts, as shown in the illustration.
Start the engine of the second v ehicle. Increase the engine speed
slightly and maintain at that lev el for approximately 5 minutes to
recharge the 12-volt battery of your vehicle.
Maintain the engine speed of the second vehicle and start the
hybrid system of your vehicle by turning the power switch to ON
mode.
Make sure the “READY” indicator comes on. If the indicator ligh t
does not come on, contac t your Toyota dealer.
Once the hybrid system has started, remove the jumper cables in
the exact reverse order from which they were connected.
To install the engine cover, conduct the removal procedure in
reverse. After installing, check that the fixed pins are inserted
securely.
Once the hybrid system starts, have the vehicle inspected at yo ur
Toyota dealer as soon as possible.3
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787Alphabetical index
PRIUS PRIME_OM_OM47E74U_(U)
Radar sensor ........................ 372
Seat belts .............................. 582
Water-repellent coating......... 575
Clock ......................................... 192 Adjustment ............................ 197
Coat hooks ............................... 562
Combination meter .................. 192 Clock adjustment .................. 197
Main display .......................... 209
Multi-information display ....... 220
Warning lights and
indicators ............................ 201
Condenser ................................ 604
Console box ............................. 541
Consumption screen ....... 264, 269
Coolant ..................................... 602 Capacity ................................ 731
Checking ............................... 602
Preparing and checking before winter....................... 502
Cooling system ........................ 602 Engine overheating ............... 718
Hybrid system overheating ... 720
Cruise control Dynamic radar cruise control with full-speed range .......... 409
Cup holders.............................. 542
Curtain shield airbags ............... 36
Customizable features ............ 749
Daytime running light system .................................... 350
Deck board ............................... 545
Defogger Outside rear view
mirrors ........................ 512, 523
Rear window ................. 512, 523
Windshield .................... 511, 523 Dimension ................................ 726
Dinghy towing.......................... 331
Display
BSM (Blind Spot Monitor) ..... 427
Drive information .................. 222
Dynamic radar cruise control with full-speed range .......... 409
Energy monitor ..... 223, 261, 266
Head-up display.................... 253
Intuitive parking assist .......... 442
LTA (Lane Tracing Assist) .... 399
Main display.......................... 209
Multi-information display ....... 220
Parking Support Brake
function............................... 457
Pre-collision warning ............ 380
RSA (Road Sign Assist) ....... 406
S-APGS (Simple Advanced Parking Guidance
System) .............................. 466
Warning messages ............... 681
Do-it-yourself maintenance .... 592
Door courtesy lights ............... 537 Location ................................ 537
Wattage ................................ 734
Doors ................................ 279, 285 Automatic door locking
and unlocking system......... 282
Back door ............................. 285
Door glasses......................... 309
Door lock .............................. 279
Open door warning buzzer ... 283
Open door warning light ....... 673
Outside rear view mirrors ..... 307
Rear door child-protectors .... 282
Side doors ............................ 279
Side windows........................ 309
D
*: Refer to “MULTIMEDIA OWNER’S MANUAL”.

789Alphabetical index
PRIUS PRIME_OM_OM47E74U_(U)
EngineAccessory mode ................... 334
Compartment ........................ 598
Engine switch........................ 332
Exhaust gas precautions ........ 56
Hood ..................................... 595
How to start the hybrid system ......... ....................... 332
Identification number ............ 728
If the hybrid system will not start .................................... 706
If your vehicle has to be stopped in an emergency ... 661
Ignition switch (power
switch) ................................ 332
Overheating .......................... 718
Power switch......................... 332
Engine coolant ......................... 602 Capacity ................................ 731
Checking ............................... 602
Preparing and checking before winter....................... 502
Engine oil ................................. 599
Capacity ................................ 730
Checking ............................... 599
Oil pressure warning light ..... 671
Preparing and checking before winter....................... 502
Engine switch (power switch) .................................... 332
Auto power off function ......... 334
Changing the power switch modes................................. 334
If your vehicle has to be stopped in an emergency ... 661
Starting the hybrid system .... 332 EPS (Electric Power
Steering) ................................ 497
Function ................................ 497
Warning light......................... 672
EV auto mode ............................ 87
EV driving range ...................... 109
EV mode ..................................... 87
EV/HV mode selection
switch ....................................... 90
Event data recorder (EDR)........ 11
Exhaust gas precautions .......... 56
Flat tire ..................................... 689
Floor mats .................................. 26
Fluid Brake .................................... 733
Transmission ........................ 732
Washer ................................. 610
Fog lights ................................. 357
Replacing light bulbs ............ 657
Switch ................................... 357
Footwell lights ......................... 537
Front doors .............................. 279
Front fog lights ........................ 357
Replacing light bulbs ............ 657
Switch ................................... 357
Front passenger occupant classification system .............. 50
Front passenger’s seat
belt reminder light................. 674
Front seat concentrated airflow mode
(S-FLOW) ....................... 510, 522
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