2022 TOYOTA PRIUS PLUG-IN HYBRID check engine light

565
7Maintenance and care
Prius Plug-in Hybrid_OM_OM47E75E_(EE)7-1. Maintenance and care
Cleaning and protecting
the vehicle exterior .......... 566
Cleaning and protecting
the vehicle interior ........... 572
7-2. Maintenance
Maintenance
requirements.................... 578
7-3. Do-it-yourself maintenance
Do-it-yourself service
precautions ...................... 581
Hood .................................. 584
Positioning a floor jack ....... 586
Engine compartment.......... 587
Tires ................................... 600
Tire inflation pressure ........ 608
Wheels ............................... 610
Replacing the tire ............... 612
Air conditioning filter .......... 624
Wiper insert
replacement ..................... 628
Electronic key battery ........ 631
Checking and replacing
fuses ................................ 634
Light bulbs ......................... 638

6688-2. Steps to take in an emergency
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
O 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 doo r or
replenishing a consumable.
Q If “See Owner’s Manual” is shown
O If “Braking Power Low Stop in a Safe Place See Owner’s Manual” is shown,
this may be a malfunction. Immediately stop the vehicle in a sa fe place and
contact any authorized Toyota retailer or Toyota authorized rep airer, or any
reliable repairer. Continuing to drive the vehicle may be dange rous.
O If “Engine Oil Pressure Low” is shown, this may be a malfunction. Immedi-
ately stop the vehicle in a safe place and contact any authoriz ed Toyota
retailer or Toyota authorized repairer, or any reliable repaire r.
O If the following messages are shown, there may be a malfunction. Immedi-
ately have the vehicle inspected by any authorized Toyota retai ler or Toyota
authorized repairer, or any reliable repairer.
• “Plug-in charging system malfunction.”
• “Hybrid System Malfunction”
• “Check Engine”
• “Hybrid Battery System Malfunction”
• “Accelerator System Malfunction”
• “Smart Entry & Start System Malfunction See Owner’s Manual”
O If “Exhaust Filter Full See Owner’s Manual” is shown on the multi-informa-
tion display is shown, follow the instruction. ( P. 5 0 8 )
Q If “Shift System Not Active Apply Parking Brake Securely While Parking
See Owner’s Manual” is shown
Indicates a temporary operation failure or malfunction in the s hift control sys-
tem. Immediately have the vehicle inspected by any authorized T oyota
retailer or Toyota authorized repairer, or any reliable repaire r.
When the message is shown, the hybrid system may not be started or the
shift position may not be changed normally. (Coping method: P. 672)
Q If “Shift System Malfunction Apply Parking Brake Securely While Park-
ing See Owner’s Manual” is shown
Indicates a malfunction in the shift control system. Immediatel y have the vehi-
cle inspected by any authorized Toyota retailer or Toyota autho rized repairer,
or any reliable repairer.
When the message is shown, the hybrid system may not be started or the
shift position may not be changed normally. (Coping method: P. 672)

6998-2. Steps to take in an emergency
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
8
When trouble arises
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 insert ed
securely.
Once the hybrid system starts, have the vehicle inspected at an y
authorized Toyota retailer or Toyota authorized repairer, or an y reliable
repairer as soon as possible.
Q When opening the cover of the positive (+) battery terminal
 P. 595
Q Starting the hybrid system when the 12-volt battery is discharged
The hybrid system cannot be started by push-starting.
Q To prevent 12-volt battery discharge
O Turn off the headlights and the audio system while the hybrid system is off.
O Turn off any unnecessary electrical components when the vehicle is running
at a low speed for an extended period, such as in heavy traffic .
Q When the 12-volt battery is removed or discharged
O Information stored in the ECU is cleared. When the 12-volt battery is
depleted, have the vehicle inspected at any authorized Toyota r etailer or
Toyota authorized repairer, or any reliable repairer.
O Some systems may require initialization. (P. 734)
Q When removing the 12-volt battery terminals
When the 12-volt battery terminals are removed, the information stored in the
ECU is cleared. Before removing the 12-volt battery terminals, contact any
authorized Toyota retailer or Toyota authorized repairer, or an y reliable
repairer.
Q Charging the 12-volt battery
The electricity stored in the 12- volt battery will discharge gradually even when
the vehicle is not in use, due to natural discharge and the dra ining effects of
certain electrical appliances. If the vehicle is left for a lon g time, the 12-volt
battery may discharge, and the hybrid system may be unable to s tart. (The
12-volt battery recharges automat ically while the hybrid system is operating.)
8
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743Alphabetical index
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
Child-protectors ....................... 276
Cleaning............................ 566, 572
Aluminum wheels .................. 567
Exterior.................................. 566
Front camera......................... 358
Hybrid battery (traction
battery) air intake vent ........ 573
Interior ................................... 572
Radar sensor ........................ 357
Seat belts .............................. 575
Water-repellent coating ......... 567
Clock ......................................... 194
Adjustment ............................ 200
Coat hooks ............................... 563
Combination meter .................. 194
Clock adjustment .................. 200
Main display .......................... 212
Multi-information display ....... 220
Warning lights and
indicators ............................ 204
Condenser ................................ 593
Console box ............................. 545
Consumption screen ............... 264
Coolant ..................................... 591
Capacity ................................ 718
Checking ............................... 591
Preparing and checking
before winter....................... 516
Cooling system ........................ 591
Engine overheating ............... 703
Hybrid system overheating ... 705
Cruise control
Dynamic radar cruise control
with full-speed range .......... 401
Cup holders .............................. 546
Curtain shield airbags ............... 39
Customizable features ............ 724Daytime running light
system .................................... 338
Deck board ............................... 550
Defogger
Outside rear view mirrors...... 527
Rear window ......................... 527
Windshield ............................ 527
Dimension ................................ 712
Display
Drive information................... 222
Dynamic radar cruise control
with full-speed range .......... 401
Energy monitor ............. 223, 261
Head-up display .................... 254
LTA (Lane Tracing Assist) .... 388
Main display .......................... 212
Multi-information display ....... 220
Parking Support Brake
function ............................... 468
Pre-collision warning............. 369
RCTA detection screen......... 423
RSA (Road Sign Assist)........ 396
S-IPA (Simple Intelligent
Parking Assist System) ...... 477
Toyota parking assist
sensor................................. 451
Warning messages ............... 665
Do-it-yourself maintenance .... 581
Door courtesy lights................ 541
Location ................................ 541
Wattage ................................ 721D

745Alphabetical index
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
Emergency brake signal ......... 510
Emergency flashers................. 646
Emergency brake signal ....... 510
Emergency tire puncture
repair kit ................................. 673
Energy monitor ................ 223, 261
Engine
Accessory mode ................... 325
Compartment ........................ 587
Engine switch ........................ 323
Exhaust gas precautions......... 50
Hood ..................................... 584
How to start the hybrid
system ................................ 323
Identification number............. 714
If the hybrid system will not
start..................................... 691
If your vehicle has to be
stopped in an emergency ... 647
Ignition switch (power
switch) ................................ 323
Overheating .......................... 703
Power switch ......................... 323
Engine coolant ......................... 591
Capacity ................................ 718
Checking ............................... 591
Preparing and checking
before winter....................... 516Engine oil ................................. 588
Capacity ................................ 715
Checking ............................... 588
Oil pressure warning light ..... 658
Preparing and checking
before winter....................... 516
Engine switch (power
switch) .................................... 323
Auto power off function ......... 325
Changing the power switch
modes................................. 325
If your vehicle has to be
stopped in an emergency ... 647
Starting the hybrid system .... 323
EPS (Electric Power
Steering)................................. 510
Function ................................ 510
Warning light ......................... 658
EV City mode switch ................. 88
EV driving range ...................... 109
EV mode ..................................... 85
EV/HV mode selection
switch ....................................... 88
Exhaust gas precautions .......... 50
Extended Headlight
Lighting system..................... 338

750Alphabetical index
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
Navigation system*
Odometer .................................. 214
Oil
Engine oil .............................. 715
Opener
Back door .............................. 278
Fuel filler door ....................... 353
Hood ..................................... 584
Outside rear view mirrors ....... 301
Adjustment ............................ 301
BSM (Blind Spot Monitor) ..... 423
Folding .................................. 301
Outside rear view mirror
defoggers............................ 527
Outside temperature
display .................................... 212
Overhead console.................... 548
Overheating .............................. 703
P position switch ..................... 330
Panoramic view monitor
*
Parking assist sensors
Parking Support Brake
function ............................... 462
S-IPA (Simple Intelligent
Parking Assist System)....... 473
Toyota parking
assist-sensor ...................... 450Parking brake ........................... 336
Operation .............................. 336
Parking brake engaged
warning buzzer ................... 336
Parking lock ............................. 330
Parking Support Brake
function .................................. 462
PCS (Pre-Collision System) .... 368
Enabling/disabling the
system ................................ 372
Function ................................ 368
Warning light ......................... 659
Personal lights ......................... 541
Switch ................................... 542
Wattage ................................ 721
Plug-in hybrid system ............... 84
Driving tips ............................ 105
EV City mode .......................... 85
EV driving range ................... 109
EV mode ................................. 85
EV/HV mode selection
switch ................................... 88
Features.................................. 84
How to charge....................... 155
HV mode ................................. 85
Hybrid battery (traction
battery) charge mode ........... 85
Power control unit coolant ..... 591
Capacity ................................ 718
Checking ............................... 591
Preparing and checking
before winter....................... 516
Radiator ................................ 593
N
O
P

756Alphabetical index
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
Warning lights .......................... 205
ABS ....................................... 658
Brake Override System ......... 661
Brake system ........................ 657
Charging system ................... 657
Drive-Start Control ................ 661
Driver’s seat belt reminder
light ..................................... 660
Electronic engine control
system ................................ 658
Electric power steering
system ................................ 658
Front passenger’s seat belt
reminder light...................... 660
High coolant temperature...... 659
Low engine oil pressure ........ 658
Low fuel level ........................ 660
Malfunction indicator lamp .... 658
Master warning light .............. 660
Open door ............................. 660
Parking Support Brake
function ............................... 661
PCS....................................... 659
PKSB OFF indicator.............. 660
Rear passengers’ seat belt
reminder light...................... 660
Seat belt reminder light ......... 660
Slip indicator ......................... 659
SRS....................................... 658
Tire pressure ......................... 661
Warning messages .................. 665Warning reflector storage
space ...................................... 552
Washer...................................... 348
Checking ............................... 598
Preparing and checking
before winter....................... 516
Switch ................................... 348
Washing and waxing ............... 566
Water-repellent coating........... 567
Wheels ...................................... 610
Replacing wheels.................. 612
Size ....................................... 721
Window glasses....................... 303
Window lock switch ................ 303
Windows ................................... 303
Power windows ..................... 303
Rear window defogger .......... 527
Washer ................................. 348
Windshield wipers ................... 348
Handling the wiper arms ....... 571
Rain-sensing windshield
wipers ................................. 348
Replacing the wiper insert .... 628
Winter driving tips ................... 516
Wiper insert replacement........ 628
Wireless charger...................... 557
Wireless remote control.......... 268
Battery-Saving Function ....... 285
Locking/Unlocking................. 273
Remote Air Conditioning
System ............................... 535
Replacing the battery ............ 631