2015 TOYOTA PRIUS PLUG-IN ECU

440
4-2. Maintenance
PRIUS PHV_OM_OM47A11U_(U)
Luggage compartment
Ve h i c l e i n t e r i o r
ItemsCheck points
12-volt battery Check the connections. (oP. 4 7 6 )
ItemsCheck points
Accelerator pedal
•The accelerator pedal should
move smoothly (without uneven
pedal effort or catching).
Hybrid transmission “Park” mech-
anism
•When parked on a slope and the
shift position is in P, is the vehicle
securely stopped?
Brake pedal
•Does the brake pedal move
smoothly?
•Does the brake pedal have appro-
priate clearance from the floor?
(oP. 6 2 7 )
•Does the brake pedal have the
correct amount of free play?
(oP. 6 2 7 )
Brakes
•The vehicle should not pull to one
side when the brakes are applied.
•The brakes should work effec-
tively.
•The brake pedal should not feel
spongy.
•The brake pedal should not get
too close to the floor when the
brakes are applied.

441
4-2. Maintenance
PRIUS PHV_OM_OM47A11U_(U)
4
Maintenance and care
Head restraints• Do the head restraints move
smoothly and lock securely?
Indicators/buzzers•Do the indicators and buzzers
function properly?
Lights • Do all the lights come on?
Parking brake
•Does the parking brake pedal
move smoothly?
•When parked on a slope and the
parking brake is on, is the vehicle
securely stopped?
Seat belts
• Do the seat belts operate
smoothly?
•The seat belts should not be dam-
aged.
Seats•Do the seat controls operate
properly?
Steering wheel
•Does the steering wheel rotate
smoothly?
•Does the steering wheel have the
correct amount of free play?
•There should not be any strange
sounds coming from the steering
wheel.
ItemsCheck points

449
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47A11U_(U)
4
Maintenance and care
CAUTION
■Pre-driving check
Check that the hood is fully closed and locked.
If the hood is not locked properly, it may open while the vehicle is in motion
and cause an accident, which may result in death or serious injury.
■After installing the support rod into the slot
Make sure the rod supports the hood securely from falling down on to your
head or body.
Hold the hood open by insert-
ing the supporting rod into
either of the slots.
Use the forward slot to open
the hood normally, or use the
rearward slot when the hood
needs to be opened wide.
STEP 3

456
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47A11U_(U)
Ta k e o u t t h e w h e e l n u t w r e n c h .
■Storing the jack and tools
St ore the jack and tools in a reverse way a s taking out the
jack.
After storing the jack, make sure it is securely held by the tight-
ening strap.
Reinstall the lid.
Insert the tab on far side of the
lid first, then insert the tab on
the near side.
STEP 1
STEP 2
■When using a towing eyelet
Remove the towing eyelet after following the procedure on P. 455 to
remove the jack, jack handle and wheel nut wrench.

461
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47A11U_(U)
4
Maintenance and care
CAUTION
■Using the tire jack
Improper use of the tire jack may cause the vehicle to suddenly fall off
the jack, leading to death or serious injury.
Observe the following precautions:
●Do not use the tire jack for any purpose other than replacing tires or
installing and removing tire chains.
●Only use the tire jack that comes with this vehicle for replacing a flat
tire.
Do not use it on other vehicles, and do not use other tire jacks for
replacing tires on this vehicle.
●Always check that the tire jack is securely set to the jack point.
●Do not put any part of your body under the vehicle while it is supported
by the jack.
●Do not start or run the hybrid system while your vehicle is supported by
the jack.
●Do not raise the vehicle while someone is inside.
●When raising the vehicle, do not put an object on or under the jack.
●Do not raise the vehicle to a height greater than that required to
replace the tire.
●Use a jack stand if it is necessary to get under the vehicle.
Ta k e p a r t i c u l a r c a r e w h e n l o w e r i n g t h e v e h i c l e t o e n s u r e t h a t n o o n e
working on or near the vehicle may be injured.

462
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47A11U_(U)
CAUTION
■Replacing a tire
●Do not touch the disc wheels or the area around the brakes immedi-
ately after the vehicle has been driven.
After the vehicle has been driven the disc wheels and the area around
the brakes will be extremely hot. To u c h i n g t h e s e a r e a s w i t h h a n d s , f e e t
or other body parts while changing a tire, etc. may result in burns.
●Failure to follow these precautions could cause the wheel nuts to
loosen and the tire to fall off, resulting in death or serious injury.
• Have the wheel nuts tightened with a torque wrench to 76 ft•lbf (103
N•m, 10.5 kgf•m) as soon as possible after changing wheels.
• When installing a tire, only use wheel nuts that have been specifi-
cally designed for that wheel.
•If there are any cracks or deformations in the bolt screws, nut
threads or bolt holes of the wheel, have the vehicle inspected by
your Toyota dealer.
•When installing the wheel nuts, be sure to install the wheel nuts
with the tapered ends facing inward. (oP. 4 9 5 )
■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.

503
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47A11U_(U)
4
Maintenance and care
FUSEAmpereCircuit
11 I G C T 3 0 A P C U , I G C T N O . 2 , I G C T N O . 3
12 DC/DC-S 5A Inverter and converter
13 P CON MAIN 7.5AShift control system, P position
switch
14 AM2 7.5A Power management system
15 ECU-B2 7.5A Smart key system, hybrid system
16 MAYDAY/DCM 10A MAYDAY/DCM
17 PIMR 10A Charge system
18 TURN & HAZ 10A Turn signal lights
19 ETCS 10A
Multiport fuel injection system/
sequential multiport fuel injection
system
20ABS MAIN
NO.120A Anti-lock brake system
21 H-LP LH LO 15A Left-hand headlight (low beam)
22 P/I 2 40AShift control system, horn, head-
light low beams, back-up lights
23 ABS MTR 1 30A Anti-lock brake system
24 ABS MTR 2 30A Anti-lock brake system
25 H-LP HI MAIN 20AHeadlight high beams, daytime
running lights
26 DRL 7.5A Daytime running lights
27 AMP NO.2 30A Audio system, navigation system
28 P/I 1 60A IG2, EFI MAIN, BATT FAN

504
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47A11U_(U)
FUSEAmpereCircuit
29 EPS 60A Electric power steering
30 H-LP RH LO 15A Right-hand headlight (low beam)
31 PCU 10A Inverter and converter
32 IGCT NO.2 10A
Hybrid system, shift control sys-
tem, power management system,
multiport fuel injection system/
sequential multiport fuel injection
system
33 MIR HTR 10A Outside rear view mirror defoggers
34 RAD NO.1 15A Audio system, navigation system
35 DOME 10A
Door courtesy lights, luggage
compartment light, personal light,
interior light, foot lights, vanity
lights, inside rear view mirror,
garage door opener
36 ECU-B 7.5ASmart key system, personal lights,
gauges and meters
37 H-LP LH HI 10A Left-hand headlight (high beam)
38 H-LP RH HI 10A Right-hand headlight (high beam)
39 EFI NO.2 10A
Multiport fuel injection system/
sequential multiport fuel injection
system
40 IGCT NO.3 10A Cooling system