Lexus CT200h 2012 Owner's Manual (in English)

529
4-3. Do-it-yourself maintenance
4
Maintenance and care
CT200h_OM_OM76067E_(EE)
Type B
Take out the mechanical key.
Remove the cover.
To prevent damage to the
key, cover the tip of the
screwdriver with a rag.
Remove the depleted battery.
Insert a new battery with the
“+” terminal facing up.
STEP1
STEP2
STEP3

530
4-3. Do-it-yourself maintenance
CT200h_OM_OM76067E_(EE)
Use a CR1632 lithium battery
Batteries can be purchased at any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional, local electrical appli-
ance shops or camera stores.
Replace only with the same or equivalent type recommended by the
manufacturer.
Dispose of used batteries according to local laws.
When the card key battery needs to be replaced (if equipped)
The battery for the card key is available only at Lexus dealer. Your Lexus
dealer can replace the battery for you.
If the electronic key battery is depleted
The following symptoms may occur:
The smart entry & start system, push-button start system and wireless
remote control will not function properly.
The operational range will be reduced.

531
4-3. Do-it-yourself maintenance
4
Maintenance and care
CT200h_OM_OM76067E_(EE)
CAUTION
Removed battery and other parts
These parts are small and if swallowed by a child, they can cause choking.
Keep away from children. Failure to do so could result in death or serious
injury.
Certification for the smart entry & start system and push-button start system
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCOR-
RECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE
INSTRUCTIONS.
NOTICE
For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
Always work with dry hands.
Moisture may cause the battery to rust.
Do not touch or move any other component inside the remote control.
Do not bend either of the battery terminals.

532
4-3. Do-it-yourself maintenance
CT200h_OM_OM76067E_(EE)
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have
blown. If this happens, check and replace the fuses as necessary.
Turn the “POWER” switch off.
Open the fuse box cover.
Engine compartment
Push the tab in and lift the lid
off.
Left side instrument panel (left-hand drive vehicles)
Remove the lid.STEP1
STEP2

533
4-3. Do-it-yourself maintenance
4
Maintenance and care
CT200h_OM_OM76067E_(EE)
Left side instrument panel (right-hand drive vehicles)
Remove the cover.
Remove the lid.
After a system failure, see “Fuse layout and amperage
ratings” (P. 536) for details about which fuse to check.
STEP3

534
4-3. Do-it-yourself maintenance
CT200h_OM_OM76067E_(EE)
Remove the fuse.
Only type A fuse can be
removed using the pullout
tool.
Check if the fuse is blown.
Ty p e A
Normal fuse
Blown fuse
Replace the blown fuse with
a new fuse of an appropriate
amperage rating. The amper-
age rating can be found on
the fuse box lid.
Ty p e B
Normal fuse
Blown fuse
Replace the blown fuse with
a new fuse of an appropriate
amperage rating. The amper-
age rating can be found on
the fuse box lid.
STEP4
STEP5

535
4-3. Do-it-yourself maintenance
4
Maintenance and care
CT200h_OM_OM76067E_(EE)
Ty p e C
Normal fuse
Blown fuse
Replace the blown fuse with
a new fuse of an appropriate
amperage rating. The amper-
age rating can be found on
the fuse box lid.
Ty p e D
Normal fuse
Blown fuse
Replace the blown fuse with
a new fuse of an appropriate
amperage rating. The amper-
age rating can be found on
the fuse box lid.

536
4-3. Do-it-yourself maintenance
CT200h_OM_OM76067E_(EE)
Fuse layout and amperage ratings
Engine compartment
FuseAmpereCircuit
1DC/DC125 AInverter and converter
2HTR50 AAir conditioning system
3RDI30 AElectric cooling fans
4CDS30 AElectric cooling fans
5RAD NO.115 AAudio system, navigation system
6S-HORN10 ANavigation system
7ENG W/P30 ACooling system
8ABS MAIN
NO.27.5 AElectronically controlled brake
system
9H-LP CLN30 AHeadlight cleaner
10P CON MTR30 AP position control system

537
4-3. Do-it-yourself maintenance
4
Maintenance and care
CT200h_OM_OM76067E_(EE)
11AMP NO.230 AAudio system
12ETCS10 A
Multiport fuel injection system/
sequential multiport fuel injection
system
13IGCT30 APCU, IGCT NO.2, IGCT NO.3
14DC/DC-S5 AInverter and converter
15P CON MAIN7.5 AP position control system, P posi-
tion switch
16AM27.5 APower management system
17ECU-B27.5 ASmart entry & start system
18MAYDAY10 ANo circuit
19ECU-B310 AAir conditioning system
20TURN & HAZ10 ATurn signal lights, emergency
flashers
21AMP NO.130 AAudio system
22ABS MAIN
NO.120 AElectronically controlled brake
system
23P/I 240 A
P position control system, horn,
headlights (low beam), back-up
light
24ABS MTR 130 AElectronically controlled brake
system
25ABS MTR 230 AElectronically controlled brake
system
26H-LP HI MAIN20 AH-LP RH HI, H-LP LH HI
FuseAmpereCircuit

538
4-3. Do-it-yourself maintenance
CT200h_OM_OM76067E_(EE)
27DRL7.5 ADaytime running light system
28DOOR NO.225 APower door lock system
29P/I 160 AIG2, EFI MAIN, BATT FAN
30EPS60 AElectric power steering system
31PCU10 AHybrid system
32IGCT NO.210 A
Hybrid system, P position control
system, power management sys-
tem
33IGCT NO.310 ACooling system
34DOME10 A
Luggage compartment light, over-
head module, interior lights, per-
sonal lights, vanity lights, footwell
lights
35ECU-B7.5 A
Smart entry & start system, gauges
and meters, outside rear view mir-
rors, air conditioning system, driv-
ing position memory system,
electric power steering system,
clock
36H-LP LH HI10 ALeft-hand headlight (high beam)
37H-LP RH HI10 ARight-hand headlight (high beam)
FuseAmpereCircuit