Lexus LX - 2014 Fuse Box Diagram

Lexus LX - 2014 Fuse Box Diagram

702
3-8. Other interior features
The power outlet can be used when
12 V
The “ENGINE START STOP” switch is in ACCESSORY or IGNITION ON
mode.
120 V AC
The “ENGINE START STOP” switch is in IGNITION ON mode.
NOTICE
To avoid damaging the power outlet
Close the power outlet lid when the power outlet is not in use.
Foreign objects or liquids that enter the power outlet may cause a short circuit.
To prevent the fuse from being blown
12 V
Do not use an accessory that uses more than 12 V 10 A.
120 V AC
Do not use a 120 V AC appliance that requires more than 100 W.
If a 120 V AC appliance that consumes more than 100 W is used, the protection
circuit will cut the power supply.
To prevent the battery from being discharged
Do not use the power outlet longer than necessary when the engine is not running.
Appliances that may not operate properly (120 V AC)
The following 120 V AC appliances may not operate properly even if their power
consumption is under 100 W:
Appliances with high initial peak wattage
Measuring devices that process precise data
Other appliances that require an extremely stable power supply
744
4-3. Do-it-yourself maintenance
Items
Parts and tools
Engine oil level
(→
P. 749)
• “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel, funnel
(used only for adding oil)
Fuses
(
P. 782)
Fuse with same amperage rating as
original
Power steering fluid
(
P. 757)
• Automatic transmission fluid
DEXRON
®
II or III
• Rag or paper towel
• Funnel (used only for adding power
steering fluid)
Light bulbs
(
P. 799)
• Bulb with same number and
wattage rating as original
• Phillips-head screwdriver
• Flathead screwdriver
• Wrench
Radiator and condenser
(
P. 754)
Tire inflation pressure
(
P. 771)
• Tire pressure gauge
• Compressed air source
Washer fluid
(
P. 761)
• Water or washer fluid containing
antifreeze (for winter use)
• Funnel (used only for adding water
or washer fluid)
747
4-3. Do-it-yourself maintenance
4
Maintenance and care
Engine compartment
Power steering fluid reservoir
(
P. 757)
Engine oil level dipstick
(
P. 749)
Engine oil filler cap
(
P. 750)
Brake fluid reservoir
(
P. 755)
Fuse box
(
P. 782)
Washer fluid tank
(
P. 761)
Battery
(
P. 758)
Cooling fans
Condenser
(
P. 754)
Radiator
(
P. 754)
Engine coolant reservoir
(
P. 753)
782
4-3. Do-it-yourself maintenance
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.
Remove the engine compartment cover
.
P. 748
The fuses are located in the following places. To check the
fuses, follow the instructions below.
Engine compartment (fuse box on the left side)
Push the tab in and lift the lid off.
Engine compartment (fuse box on the right side)
Push the tabs in and lift the lid
off.
STEP
1
STEP
2
STEP
3
784
4-3. Do-it-yourself maintenance
Passenger’s side instrument panel
Remove the cover.
Remove the lid.
After a system failure, see “Fuse layout and amperage ratings”
(
P. 787) for details about which fuse to check.
Remove the fuse with the pull-
out tool.
STEP
4
STEP
5
785
4-3. Do-it-yourself maintenance
4
Maintenance and care
Check if the fuse has blown.
Type A and B
Normal fuse
Blown fuse
Replace it with one of an appro-
priate
amperage
rating.
The
amperage rating can be found
on the fuse box lid.
STEP
6
Type A
Type B
786
4-3. Do-it-yourself maintenance
Type C and D
Normal fuse
Blown fuse
Contact your Lexus dealer.
Type C
Type D
787
4-3. Do-it-yourself maintenance
4
Maintenance and care
Fuse layout and amperage ratings
Engine compartment (fuse box on the left side)
Fuse
Ampere
Circuit
1
A/F
15 A
A/F heater
2
HORN
10 A
Horn
3
EFI MAIN
25 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem, A/F heater, fuel pump
4
IG2 MAIN
30 A
INJ, IGN, MET
5
RR A/C
50 A
Blower controller
6
CDS FAN
25 A
Condenser fan
7
RR S/HTR
20 A
Rear seat heater
8
FR FOG
15 A
Front fog lights
9
STOP
15 A
Stoplights, high mounted stoplight,
brake controller, ABS, VSC, main
body ECU, Multiport fuel injection
system/sequential multiport fuel injec-
tion system, trailer
788
4-3. Do-it-yourself maintenance
10
SEAT-A/C LH
25 A
Seat heaters and ventilators
11
HWD4
30 A
No circuit
12
HWD3
30 A
No circuit
13
AHC
50 A
4-Wheel AHC
14
PTC-1
50 A
PTC heater
15
PTC-2
50 A
PTC heater
16
PTC-3
50 A
PTC heater
17
RH-J/B
50 A
RH-J/B
18
SUB BATT
40 A
Towing
19
VGRS
40 A
VGRS ECU
20
H-LP CLN
30 A
Headlight cleaner
21
DEFOG
30 A
Rear window defogger
22
SUB-R/B
100 A
SUB-R/B
23
HTR
50 A
Front air conditioning system
24
PBD
30 A
Power back door ECU
25
LH-J/B
150 A
LH-J/B
26
ALT
180 A
Alternator
27
A/PUMP NO.1
50 A
AI DRIVER
28
A/PUMP NO.2
50 A
AI DRIVER 2
29
MAIN
40 A
Headlight, daytime running light sys-
tem, HEAD LL, HEAD RL, HEAD LH,
HEAD RH
Fuse
Ampere
Circuit
789
4-3. Do-it-yourself maintenance
4
Maintenance and care
30
ABS1
50 A
ABS
31
ABS2
30 A
ABS
32
ST
30 A
Starter system
33
IMB
7.5 A
ID code box, smart access system
with push-button start, GBS
34
AM2
5 A
Main body ECU
35
DOME2
7.5 A
Vanity lights, overhead module, rear
interior light
36
ECU-B2
5 A
Driving position memory system,
power back door ECU, power third
seat
37
AMP 2
30 A
Audio system
38
RSE
7.5 A
Rear seat entertainment
39
TOWING
30 A
Towing
40
DOOR NO.2
25 A
Main body ECU
41
STR LOCK
20 A
Steering lock system
42
TURN-HAZ
15 A
Meter, front turn signal lights, side turn
signal lights, rear turn signal lights,
trailer
43
EFI MAIN2
20 A
Fuel pump
44
ETCS
10 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
45
ALT-S
5 A
IC-ALT
46
AMP 1
30 A
Audio system
47
RAD NO.1
10 A
Navigation system, audio system,
parking assist system
Fuse
Ampere
Circuit
790
4-3. Do-it-yourself maintenance
48
ECU-B1
5 A
Smart access system with push-button
start, overhead module, yaw rate & G
sensor, tilt and telescopic steering,
meter, cool box, gateway ECU, steer-
ing sensor, VGRS
49
DOME1
10 A
Illuminated entry system, power third
seat switch, power back door switch,
clock
50
HEAD LH
15 A
Headlight high beam (left)
51
HEAD LL
15 A
Headlight low beam (left)
52
INJ
10 A
Injector, ignition system
53
MET
5 A
Meter
54
IGN
10 A
Circuit open, SRS airbag system,
gateway ECU, smart access system
with push-button start, ABS, VSC,
steering lock system, GBS
55
DRL
5 A
Daytime running light
56
HEAD RH
15 A
Headlight high beam (right)
57
HEAD RL
15 A
Headlight low beam (right)
58
EFI NO.2
7.5 A
Air injection system, air flow meter
59
RR A/C NO.2
7.5 A
No circuit
60
DEF NO.2
5 A
Outside rear view mirror defoggers
61
SPARE
5 A
Spare fuse
62
SPARE
15 A
Spare fuse
63
SPARE
30 A
Spare fuse
Fuse
Ampere
Circuit
791
4-3. Do-it-yourself maintenance
4
Maintenance and care
Engine compartment (fuse box on the right side)
Fuse
Ampere
Circuit
1
HWD1
30 A
No circuit
2
TOW BRK
30 A
Brake controller
3
RR P/SEAT
30 A
Power second seat
4
PWR HTR
7.5 A
No circuit
5
DEICER
20 A
Windshield wiper de-icer
6
ALT-CDS
10 A
ALT-CDS
7
SECURITY
5 A
SECURITY
8
SEAT A/C RH
25 A
Seat heaters and ventilators
9
AI PMP HTR
10 A
AI pump heater
10
TOW TAIL
30 A
Towing tail light system
11
HWD2
30 A
No circuit
792
4-3. Do-it-yourself maintenance
Driver’s side instrument panel
Fuse
Ampere
Circuit
1
CIG
15 A
Cigarette lighter
2
BK/UP LP
10 A
Back-up lights, trailer
3
ACC
7.5 A
Audio system, parking assist system,
multi-display assembly, main body
ECU, mirror ECU, satellite radio,
smart access system with push-but-
ton start
793
4-3. Do-it-yourself maintenance
4
Maintenance and care
4
PANEL
10 A
Ashtray, brake controller, cigarette
lighter, cool box, center differential
lock, driving mode switches, multi-
information display, air conditioning
system, glove box light, audio system,
emergency flashers, headlight cleaner
switch, driving position memory
switches, outside rear view mirror
switches, overhead module, roll sens-
ing of curtain shield airbags off switch,
rear heater panel, shift lever switch,
power back door main switch, camera
switch, VSC OFF switch, steering
switch, console switch, instrument
panel light control
5
ECU-IG No.2
10 A
Air conditioning system, rear heater
panel, overhead module, ABS, VSC,
steering sensor, yaw rate & G sensor,
main body ECU, stoplights, moon
roof, anti-glare inside rear view mirror
6
WINCH
5 A
No circuit
7
A/C IG
10 A
Cool box, condenser fan, cooler com-
pressor, rear window and outside rear
view mirror defoggers, smog sensor
8
TAIL
15 A
Tail lights, license plate lights, front fog
lights, parking lights, side marker
lights
Fuse
Ampere
Circuit
794
4-3. Do-it-yourself maintenance
9
WIPER
30 A
Windshield wiper
10
WSH
20 A
Windshield washer
11
RR WIPER
15 A
Rear window wiper and washer
12
4WD
20 A
Four-wheel drive system
13
LH-IG
5 A
Alternator, towing, seat heater and
ventilators, windshield wiper de-icer,
front seat belt, emergency flasher,
inverter switch, shift lever switch
14
ECU-IG No.1
5 A
ABS, VSC, tilt and telescopic steer-
ing, gateway ECU, shift lock system,
parking assist system, cruise control
switch, pre-collision system, headlight
cleaner, multi-display assembly, rain-
sensing windshield wiper, driving posi-
tion memory system, power door lock
system
15
S/ROOF
25 A
Moon roof
16
RR DOOR RH
20 A
Power windows
17
MIR
15 A
Mirror ECU, outside rear view mirror
defoggers
18
RR DOOR LH
20 A
Power windows
19
FR DOOR LH
20 A
Power windows
20
FR DOOR RH
20 A
Power windows
Fuse
Ampere
Circuit
795
4-3. Do-it-yourself maintenance
4
Maintenance and care
21
RR FOG
7.5 A
No circuit
22
A/C
7.5 A
Air conditioning system
23
AM1
5 A
No circuit
24
TI & TE
15 A
Tilt and telescopic steering
25
FR P/SEAT RH
30 A
Power seat
26
PWR OUTLET
15 A
Power outlet
27
OBD
7.5 A
On Board Diagnostics
28
PSB
30 A
Pre-collision system
29
DR/LCK
25 A
Main body ECU
30
FR P/SEAT LH
30 A
Power seat
31
INVERTER
15 A
Inverter
Fuse
Ampere
Circuit
796
4-3. Do-it-yourself maintenance
Passenger’s side instrument panel
Fuse
Ampere
Circuit
1
RSF LH
30 A
Third seat adjustment (left)
2
B/DR CLSR RH
30 A
Back door closer
3
B/DR CLSR LH
30 A
Back door closer
4
RSF RH
30 A
Third seat adjustment (right)
5
DOOR DL
15 A
No circuit
6
AHC-B
20 A
4-Wheel AHC
7
TEL
5 A
Multimedia
8
TOW BK/UP
7.5 A
Towing
9
AHC-B No.2
10 A
4-Wheel AHC
10
ECU-IG No.4
5 A
VGRS, power back door, rear ECU,
4-Wheel AHC, third seat adjustment,
tire pressure warning system ECU
797
4-3. Do-it-yourself maintenance
4
Maintenance and care
Fuse
Ampere
Circuit
11
SEAT-A/C FAN
10 A
Ventilators
12
SEAT-HTR
20 A
Seat heaters
13
AFS
5 A
Adaptive Front-lighting System
14
ECU-IG No.3
5 A
Adaptive Front-lighting System,
dynamic radar cruise control system
15
STRG HTR
10 A
Heated steering wheel
16
TV
10 A
Multi-display assembly
After a fuse is replaced
If the lights do not turn on even after the fuse has been replaced, a bulb may
need replacement. (
P. 799)
If the replaced fuse blows again, have the vehicle inspected by your Lexus
dealer.
If there is an overload in the circuits
The fuses are designed to blow, protecting the wiring harness from damage.
798
4-3. Do-it-yourself maintenance
CAUTION
To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failing to do so may cause damage to the vehicle, and possibly a fire or injury.
Never use a fuse of a higher amperage rating than indicated, or use any other
object in place of a fuse.
Always use a genuine Lexus fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
Do not modify the fuse or the fuse box.
NOTICE
Before replacing fuses
Have the cause of electrical overload determined and repaired by your Lexus
dealer.
5
When trouble arises
863
5-2. Steps to take in an emergency
If the engine will not start
If the engine still does not start after following the correct starting proce-
dure (
P. 175) or releasing the steering lock (
P. 177), confirm the fol-
lowing points.
The engine will not start even when the starter motor operates
normally
One of the following may be the cause of the problem.
There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
The engine may be flooded.
Try to restart the engine once more following correct starting
procedures. (
P. 175)
There may be a malfunction in the engine immobilizer system.
(
P. 117)
The starter motor turns over slowly, the interior lights and head-
lights are dim, or the horn does not sound or sounds at a low vol-
ume
One of the following may be the cause of the problem.
The battery may be discharged. (
P. 870)
The battery terminal connections may be loose or corroded.
The starter motor does not turn over
The engine starting system may be malfunctioning due to an electri-
cal problem such as an open circuit or a blown fuse. However, an
interim measure is available to start the engine. (
P. 864)
917
6
Vehicle specifications
6-3. Initialization
Items to initialize
Item
When to initialize
Reference
Power back door
• After reconnecting or changing the
battery with power back door
opened
• After changing a fuse with power
back door opened
P. 60
Maintenance data
• After the maintenance is performed
P. 737
Tire pressure warning
system
• When the set tire pressure has been
changed before towing.
• When rotating the tires in above situ-
ation.
P. 763
The following items must be initialized for normal system operation in cases
such as after the battery is reconnected, or maintenance is performed on
the vehicle.