LEXUS RX270 2014 Owners Manual

501
4-3. Do-it-yourself maintenance
4
Maintenance and care
RX350/270_EE
Electronic key battery
Replace the battery with a new one if it is discharged.
■You will need the following items:
●Flathead screwdriver
●Small Phillips-head screwdriver
●Lithium battery (CR1632)
■Replacing the battery
Take out the mechanical key.
Remove the cover.
Remove the battery cover bolts
and remove the battery cover.
STEP1
STEP2
STEP3
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502
4-3. Do-it-yourself maintenance
RX350/270_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 appliance
shops or camera stores.
●Replace only with the same or equivalent type recommended by the manufac-
turer.
●Dispose of used batteries according to the local laws.
■If the electronic key battery is discharged
The following symptoms may occur:
●The smart entry & start system and wireless remote control will not function
properly.
●The operational range is reduced.
■When the card key battery needs to be replaced (if equipped)
The battery for the card key is available only at Lexus dealers. Your Lexus dealer
can replace the battery for you.
Remove the depleted battery.
Insert a new battery with the “+”
terminal facing up.
STEP4
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503
4-3. Do-it-yourself maintenance
4
Maintenance and care
RX350/270_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
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT 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 components inside the remote control.
●Do not bend either of the battery terminals.
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504
4-3. Do-it-yourself maintenance
RX350/270_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 “ENGINE START STOP” switch off.
After a system failure, see “Fuse layout and amperage ratings”
for details about which fuse to check. (→P. 507)
Remove the engine compartment cover. (→P. 4 7 0 )
Open the fuse box cover.
Engine compartment
Push the tab in and lift the lid off.
Driver’s side instrument panel
Remove the lid.STEP1
STEP2
STEP3
STEP4
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505
4-3. Do-it-yourself maintenance
4
Maintenance and care
RX350/270_EE
Remove the fuse with the pull-
out tool.
Check if the fuse has blown.
Ty p e A
Normal fuse
Blown fuse
Replace the blown fuse with a
new fuse of an appropriate
amperage rating. The amperage
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 amperage
rating can be found on the fuse
box lid.
STEP5
STEP6
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506
4-3. Do-it-yourself maintenance
RX350/270_EE
Ty p e C
Normal fuse
Blown fuse
Replace the blown fuse with a
new fuse of an appropriate
amperage rating. The amperage
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 amperage
rating can be found on the fuse
box lid.
Ty p e E
Normal fuse
Blown fuse
Replace the blown fuse with a
new fuse of an appropriate
amperage rating. The amperage
rating can be found on the fuse
box lid.
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507
4-3. Do-it-yourself maintenance
4
Maintenance and care
RX350/270_EE
Fuse layout and amperage ratings
■Engine compartment
FuseAmpereCircuit
1RDI FAN NO. 180 AElectric cooling fans
2RR DEF50 ARear window defogger
3AIR SUS50 AElectronically modulated air suspen-
sion
4HEATER50 AAir conditioning system
5SPARE30 A
6SPARE40 A
7ABS NO. 230 AVehicle stability control
8H-LP CLN30 AHeadlight cleaner
9PBD30 APower back door
10ST30 AStarter system
11PD50 A
A/F, H-LP RH HI, H-LP LH LO, H-LP
RH LO, H-LP LH HI, HORN, S-
HORN, EFI MAIN NO. 2
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508
4-3. Do-it-yourself maintenance
RX350/270_EE
12ABS NO. 150 AVehicle stability control
13EPS60 AElectric power steering system
14ALT140 A
IG1 MAIN, TOWING BATT,
DEICER, TOWING, STOP, RDI FAN
NO. 1, FILTER, RR DEF, AIR SUS,
HEATER, ABS NO. 2, H-LP CLN,
PBD, ECU-IG1 NO. 1, ECU-IG1 NO.
3, GAUGE NO. 1, ECU-IG1 NO. 2,
E P S , F R W I P, R R W I P, F R WA S H , R R
WASH, RH S-HTR, LH S-HTR, TAIL,
PANEL, D/L ALT B, FR FOG, FR
DOOR, FL DOOR, RR DOOR, RL
DOOR, PSB, P-SEAT LH, P-SEAT
RH, TI&TE, FUEL OPN, DR LOCK,
OBD, RR FOG, S/ROOF, 4WD,
INVERTER, ECU-ACC, P/POINT,
CIG, RADIO NO. 2
15AMP130 AAudio system
16EFI MAIN30 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem, electronic controlled transmis-
sion, EFI NO. 1, EFI NO. 2, F/PMP
17AMP230 AAudio system
18IG2 MAIN30 AIGN, GAUGE NO. 2, ECU IG 2
19IP J/B25 APow e r d o o r l o c k s y s t e m
20STR LOCK20 AStarter system
21RAD NO. 315 AMeters and gauges, navigation sys-
tem, audio system
22HAZ15 AEmergency flashers
FuseAmpereCircuit
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509
4-3. Do-it-yourself maintenance
4
Maintenance and care
RX350/270_EE
23ETCS10 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
24RAD NO. 110 AAudio system, navigation system
25AM27. 5 AStarter system
26ECU-B NO. 27. 5 A
Air conditioning system, audio system,
vehicle stability control system, power
windows
27MAYDAY/TEL7. 5 AMAYDAY/TEL
28IMMOBI7. 5 AIMMOBI
29ALT-S7. 5 ACharging system
30DRL7. 5 ADaytime running light system
31IGN10 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
32DOME10 A
Vanity mirror lights, luggage compart-
ment lights, interior lights, personal
lights, door courtesy lights, footwell
lights, scuff lights
33ECU-B NO. 110 A
Tilt and telescopic steering, multiplex
communication system, meters and
gauges, driving position memory,
power seats, power back door, head-
up display, outside rear view mirror,
steering sensor
34EFI NO. 110 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem, electronic controlled transmis-
sion
FuseAmpereCircuit
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510
4-3. Do-it-yourself maintenance
RX350/270_EE
35A/F*110 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
WIP-S*27. 5 ACruise control
36ECU-IG1 NO. 410 A
Adaptive front-lighting system, air
conditioning system, rear window
defogger, vehicle stability control sys-
tem, electric cooling fans
37BK/UP LP7. 5 ABack-up lights
38ECU-IG1 NO. 515 AAir conditioning system
39ECU-IG1 NO. 610 A
Adaptive front-lighting system, head
light cleaner, cruise control, electroni-
cally modulated air suspension, vehi-
cle stability control, air conditioning
system
40EFI NO. 210 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
41F/ P M P*215 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
42DEICER25 AWindshield wipers and washer
43STOP7. 5 A
Vehicle stability control, vehicle
dynamics integrated management,
stop lights, electronic controlled
transmission, multiport fuel injection
system/sequential multiport fuel injec-
tion system, shift lock control system,
starter system
44TOW IN G BAT T20 ATr a i l e r b a t t e r y
FuseAmpereCircuit
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