2015 Lexus ES300h Owner's Manual

584
ES350_300h_OM_OM33B36U_(U)
7-3. Do-it-yourself maintenance
Electronic key battery
●Flathead screwdriver
●Small flathead screwdriver
●Lithium battery CR2032
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 “+” termi-
nal facing up.
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
1
2
3

ES350_300h_OM_OM33B36U_(U)
5857-3. Do-it-yourself maintenance
7
Maintenance and care
■Use a CR2032 lithium battery
●Batteries can be purchased at your Lexus dealer, local electrical appliance shops
or camera stores.
●Replace only with the same or equivalent type recommended by the manufacturer.
●Dispose of used batteries according to local laws.
■If the electronic key battery is depleted
The following symptoms may occur:
●The smart access system with push-button start and wireless remote control will
not function properly.
●The operational range will be reduced.
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.
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.

586
ES350_300h_OM_OM33B36U_(U)
7-3. Do-it-yourself maintenance
Checking and replacing fuses
Turn the “START STOP ENGINE” <“POWER”> switch off.
After a system failure, see “Fuse layout and amperage ratings” for
details about which fuse to check. (→P. 589)
Open the Fuse box cover.
XEngine compartment (type A fuse box)
Push the tab in and lift the lid off.
XEngine compartment (type B fuse box) (hybrid vehicles only)
Push the tab in and lift the lid off.
If any of the electrical components do not operate, a fuse may have
blown. If this happens, check and replace the fuses as necessary.
1
2
3

ES350_300h_OM_OM33B36U_(U)
5877-3. Do-it-yourself maintenance
7
Maintenance and care
XDriver’s side instrument panel
Remove the lid.
Remove the fuse with the pullout
tool.
Only type A fuse can be removed
using the pullout tool.
4

588
ES350_300h_OM_OM33B36U_(U)
7-3. Do-it-yourself maintenance
Check if the fuse is blown.Normal fuse
Blown fuse
Type A and B:
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 C :
Contact your Lexus dealer.
5
1
2
XTy p e AXType B
XTy p e C

ES350_300h_OM_OM33B36U_(U)
5897-3. Do-it-yourself maintenance
7
Maintenance and care
■Engine compartment (type A fuse box)
●Fuse block
●Fuse block on the back of the cover
Fuse layout and amperage ratings

590
ES350_300h_OM_OM33B36U_(U)
7-3. Do-it-yourself maintenance
FuseAmpereCircuit
1WIP-S5Driver support system, windshield wipers
2FA N50Electric cooling fan
3H-LP CLN30No circuit
4ENG W/PMP*130Cooling system
5PTC HTR NO.250PTC heater
6PTC HTR NO.150PTC heater
7HTR50Air conditioning system
8ALT*2140Charging system
DC/DC*1120Hybrid system
9ABS NO.2*230VSC, ABS
10ST/AM2*230Starting system
ABS NO.1*130VSC, ABS
11H-LP-MAIN30H-LP RH-LO, H-LP LH-LO
12ABS MTR NO.2*150VSC, ABS
13ABS NO.1*250VSC, ABS
ABS MTR NO.1*150VSC, ABS
14R/B NO.2*150IGCT MAIN, INV W/PMP
15EPS80Electric power steering
16S-HORN7. 5S-HORN
17DEICER15Windshield wiper de-icer
18HORN10Horn
19TV15
Multi-information display, audio display,
Remote Touch, audio system, gauges and
meters
20AMP NO.230Audio system
21EFI NO.215
Multiport fuel injection system, sequential
multiport fuel system, electronic controlled
transmission

ES350_300h_OM_OM33B36U_(U)
5917-3. Do-it-yourself maintenance
7
Maintenance and care
22EFI NO.3
10*2Multiport fuel injection system, sequential
multiport fuel system, air intake system,
exhaust system
7. 5*1Multiport fuel injection system, sequential
multiport fuel system, air intake system
23INJ7. 5Multiport fuel injection system, sequential
multiport fuel system
24ECU-IG2 NO.37. 5
Multiport fuel injection system, sequential
multiport fuel system, electronic controlled
transmission, power management system,
steering lock system, cruise control system
25IGN15Starting system
26D/L-A M225Po w e r d o o r l o c k s y s t e m
27IG2-MAIN25INJ, IGN
28ALT-S*27. 5Charging system
DC/DC-S*17. 5Hybrid system
29MAYDAY5MAYDAY
30TURN&HAZ15Turn signal lights, emergency flashers
31STRG LOCK10Steering lock system
32AMP30Audio system
33H-LP LH-LO15Left-hand headlight
34H-LP RH-LO15Right-hand headlight
35EFI-MAIN NO.130EFI NO.2, EFI NO.3, fuel system
36SMART5Smart access system with push-button start,
occupant classification system
37ETCS10Multiport fuel injection system, sequential
multiport fuel system
38ABS NO.2*17. 5VSC, ABS
39EFI NO.17. 5
Multiport fuel injection system, sequential
multiport fuel system, electronic controlled
transmission
FuseAmpereCircuit