2015 TOYOTA PRIUS PLUS ECU

3787-2. Steps to take in an emergency
PRIUS +_OM_OM47B16E_(EE)
(Flashes)
(If equipped)
PCS warning light
Indicates a malfunction in the pre-crash safety system
→ Have the vehicle inspected by any authorized Toyota
dealer or repairer, or another duly qualified and
equipped professional immediately.
The warning light will operate as follows, even when the
system is not malfunctioning:
• The light will come on when the pre-crash safety system is turned off. ( →P. 255)
• The light will flash when the system cannot temporarily be used.
Slip indicator light
Indicates a malfunction in:
• The VSC system;
• The TRC system; or
• The hill-start assist control system
→ Have the vehicle inspected by any authorized Toyota
dealer or repairer, or another duly qualified and
equipped professional immediately.
The light will flash when the above systems and/or ABS
are operating.
(If equipped)
Parking lock system warning light (warning buzzer) Indicates a malfunction in the shift control system
• In this situation, there is a possibility that the parkinglock mechanism will not work. When parking, park the
vehicle on a flat surface and apply the parking brake
securely.
• The power switch may not be turned off. If this happens, applying the parking brake will enable the switch to be
turned off.
→ Have the vehicle inspected by any authorized Toyota
dealer or repairer, or another duly qualified and
equipped professional immediately.
Warning lightWarning light/Details/Actions

3797-2. Steps to take in an emergency
PRIUS +_OM_OM47B16E_(EE)
7
When trouble arises
(If equipped)
Parking lock system warning message (warning buzzer)Indicates a malfunction in the shift control system when
the vehicle is stopped
• In this situation, there is a possibility that the parkinglock mechanism will not work. When parking, park the
vehicle on a flat surface and apply the parking brake
securely.
• The power switch may not be turned off. If this happens,
applying the parking brake will enable the switch to be
turned off.
→ Have the vehicle inspected by any authorized Toyota
dealer or repairer, or another duly qualified and
equipped professional immediately.
(If equipped)
Hybrid battery indicator light The hybrid battery (traction battery) will soon need to be
inspected or replaced
Have the hybrid battery (traction battery) inspected by any
authorized Toyota dealer or re pairer, or another duly quali-
fied and equipped professional immediately.
*2
→ Have the vehicle inspected by any authorized Toyota
dealer or repairer, or another duly qualified and
equipped professional immediately.
(If equipped)
LED headlight warning light Indicates a malfunction in the LED headlights
The LED headlights will not normally illuminate when
there is a malfunction, however they may be able to illu-
minate depending on the nature of the problem.
→ Have the vehicle inspected by any authorized Toyota
dealer or repairer, or another duly qualified and
equipped professional immediately.
(Flashes)
(If equipped)
P position request indicator light (warning buzzer)
The amount of charge remaining in the hybrid battery
(traction battery) has fallen because the shift position has
been left in N for a long time
→ Because recharging is not possible when the shift
position is in N, shift the shift position to P when
parking the vehicle for a long time.
• The driver’s door has been opened while the shift posi- tion is in N, D or B
• An attempt has been made to start the hybrid system
while the shift position is in anything other than P
→ Shift the shift position to P.
Warning lightWarning light/Details/Actions

3907-2. Steps to take in an emergency
PRIUS +_OM_OM47B16E_(EE)
Indicates a malfunction in the shift control systemIn this situation, there is a possibility that the
parking lock mechanism will not work. When
parking, park the vehicle on a flat surface and
apply the parking brake securely. Also, it may
not be possible to turn the power switch off. If
this happens, applying the parking brake will
enable the switch to be turned off. A buzzer
also sounds.
→ Have the vehicle inspected by any autho-
rized Toyota dealer or repairer, or another
duly qualified and equipped professional.
Indicates a malfunction in the hybrid system
A buzzer also sounds.
→ Immediately stop the vehicle in a safe place
and contact any authorized Toyota dealer
or repairer, or another duly qualified and
equipped professional.
Indicates that the hybrid battery (traction battery)
is low
A buzzer also sounds.
→ When stopping the vehicle for a long
period of time, shift the shift position to P.
The battery cannot be charged with the
shift position in N.
(If equipped)
Indicates that the radar cruise control sensor is
dirty or covered with ice
A buzzer also sounds.
→ Clean the sensor.
(If equipped)
Indicates that the dynamic radar cruise control
system is unable to judge vehicle-to-vehicle dis-
tance
A buzzer also sounds.
→ If the windshield wipers are on, turn them
off or set them to either intermittent or slow
mode.
Warning messageDetails/Actions
(Flashes)

3957-2. Steps to take in an emergency
PRIUS +_OM_OM47B16E_(EE)
7
When trouble arises
Insufficient 12-volt battery charge The parking lock mechanism may not function.
The hybrid system may not be able to start.
The power switch may not be able to be turned
off. In this case, the power switch may be
turned off by applying the parking brake.
After charging the 12-volt battery, the message
may continue to be displayed until the shift
position is changed from P.
A buzzer also sounds.
→ When parking, choose a level location and
apply the parking brake securely.
→ Maintain the hybrid system operation state
for approximately 15 minutes or more to
recharge the 12-volt battery.
→ The hybrid system will not start: Start the
hybrid system by following the “If the
12-volt battery is discharged” procedure
(→ P. 439).
→ If the message does not disappear: The
12-volt battery may be deteriorating.
The 12-volt battery may be discharged if
this continues. Have the 12-volt battery
inspected at your Toyota dealer.
Shift control system malfunction
A buzzer also sounds.
→ Have the vehicle inspected by any autho-
rized Toyota dealer or repairer, or another
duly qualified and equipped professional.
• The hybrid system may not be able to start.
• The parking lock mechanism may not func-
tion. When parking, choose a level location
and apply the parking brake securely.
• The power switch may not be able to be turned off. In this case, the power switch
may be turned off by applying the parking
brake.
Shift control system malfunction A buzzer also sounds.
→ Have the vehicle inspected by any autho-
rized Toyota dealer or repairer, or another
duly qualified and equipped professional
immediately. If not inspected, vehicle sys-
tems may stop operating normally.
Warning messageDetails/Actions

3967-2. Steps to take in an emergency
PRIUS +_OM_OM47B16E_(EE)
Shift control system communication malfunctionA buzzer also sounds.
→ Have the vehicle inspected by any autho-
rized Toyota dealer or repairer, or another
duly qualified and equipped professional.
• The hybrid system may not be able to start.
• May not be switched to the P position. When parking, choose a level location and
apply the parking brake securely.
• The automatically P position selection func- tion ( →P. 211) may not function. Before
turning the power switch off, securely press
the P position switch, and be sure to check
that the shift position is in P by verifying the
shift position or P position switch operation
indicator lights.
• The power switch may not be able to be
turned off. In this case, the power switch
may be turned off by applying the parking
brake.
Indicates a malfunction in the LED headlight sys-
temA buzzer also sounds.
→ Have the vehicle inspected by any autho-
rized Toyota dealer or repairer, or another
duly qualified and equipped professional.
Warning messageDetails/Actions
(Turns on or
Flashes)

4027-2. Steps to take in an emergency
PRIUS +_OM_OM47B16E_(EE)
Once
Sounds
once for 5
seconds
• An attempt was made to lockthe doors using the smart
entry & start system while the
electronic key was still inside
the vehicle.
• An attempt was made to lock either front door by opening a
door and putting the inside
lock button into the lock posi-
tion, then closing the door by
pulling on the outside door
handle with the electronic key
still inside the vehicle.
→ Retrieve the electronic key
from the vehicle and lock
the doors again.
Once
• When the doors were
unlocked with the mechanical
key and then the power
switch was pressed, the elec-
tronic key could not be
detected in the vehicle.
• The electronic key could not
be detected in the vehicle
even after the power switch
was pressed two consecu-
tive times.
→ Touch the electronic key to
the power switch while
depressing the brake
pedal.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
(Flashes)
(Flashes)

4087-2. Steps to take in an emergency
PRIUS +_OM_OM47B16E_(EE)
Remove the center deck board and center auxiliary box. (→P. 407)
Unload the tool holder from the
vehicle and loosen the center
fastener that secures the spare
tire.
Taking out the spare tire
1
2
WARNING
■ When storing the spare tire
Be careful not to catch fingers or other body parts between the spare tire
and the body of the vehicle.

4167-2. Steps to take in an emergency
PRIUS +_OM_OM47B16E_(EE)
WARNING
■ When using the compact spare tire
●Remember that the spare tire provided is specifically designed for use with
your vehicle. Do not use your spare tire on another vehicle.
● Do not use more than one compact spare tire simultaneously.
● Replace the spare tire with a standard tire as soon as possible.
● Avoid sudden acceleration, abrupt steering, sudden braking and shifting
operations that cause sudden engine braking.
■ When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems
may not operate correctly:
■ Speed limit when using the compact spare tire
Do not drive at speeds in excess of 80 km/h (50 mph) when a compact
spare tire is installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failure to
observe this precaution may lead to an accident causing death or serious
injury.
■ After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in their
storage location to reduce the possibility of personal injury during a collision
or sudden braking.
• ABS & Brake assist
• VSC
•TRC
•Cruise control
*
• Dynamic radar cruise control*
• PCS (Pre-Crash Safety system)*
• EPS
• Rear view monitor system
*
• IPA (Intelligent Parking Assist)*
• Navigation system*
*
: If equipped