Actions in emergency situations Lexus RX 270 / 350 / 450h. Lexus RX 270 / 350 / 450h fuse replacement
If any electrical component does not work, a fuse may have blown.
In this case, check and, if necessary, replace the fuses.
1. Turn off ENGINE START STOP button .
2. Remove the engine compartment cover.
3. Open the fuse box cover.
Engine Compartment (Hybrid Versions Type A Block; Press Clips and Remove Cover)
Engine Compartment (Non-Hybrid or Hybrid Versions Type B Block; Press Clips and Remove Cover)
Engine Compartment (Hybrid Versions, Type C Block; Press Clips and Remove Cover)
Dashboard on the driver's side (remove the cover).
Luggage compartment, type A (versions with hybrid transmission)
Luggage compartment, type B (versions with hybrid transmission)
4. If there is a problem with any of the systems, you need to find out the fuse rating in order to replace it.
5. Remove the fuse from the block using the special tool
6. Check the condition of the fuse.
Type A
1. Normal fuse
2. Blown fuse
Type B
Type C
Type D
Type E
Type F
2. Blown fuse
Replace the blown fuse with a new one of the correct rating. Fuse ratings can be found on the cover of the fuse box.
FUSE LOCATION AND RATE
VERSIONS WITHOUT HYBRID TRANSMISSION
Engine compartment
Fuse |
Denomination |
Chain |
|
1 |
RDI FAN NO. 1 |
80A |
Electric cooling fans |
2 |
RR DEF |
50A |
Heated rear window |
3 |
AIR SUS |
50A |
Electronic air suspension system |
4 |
HTR |
50 A |
Air conditioning system |
5 |
SPARE |
30A |
Spare |
6 |
SPARE |
40A |
Spare |
7 |
ABS NO. 2 |
30A |
Anti-lock braking system |
8 |
H-LPCLN |
30A |
Headlamp washer |
9 |
PBD |
30A |
Power tailgate system |
10 |
ST |
30A |
Launch system |
eleven |
PD |
50 A |
Daytime Running Light, Air-Fuel Ratio, Right Headlight High Beam, Left Headlight Low Beam, Right Headlight Low Beam, Left Headlight Highbeam, Horn, Alarm, Communication System, Multiport Fuel Injection System/Sequential Multiport Fuel Injection System . |
12 |
ABS NO. 1 |
50 A |
Anti-lock braking system |
13 |
EPS |
60 A |
Electric power steering |
14 |
ALT |
140 A |
Fuel Filler Cap, Door Locks, On-Board Diagnostic System, Rear Fog Light, Sunroof, AWD, Inverter, Ignition ECU, Ignition ECU #2, Dashboard, Gauge #1 |
15 |
AMP1 |
30A |
Audio system |
16 |
EFI MAIN |
30A |
Multiport fuel injection system, sequential multiport fuel injection system, fuel injection system No. 1, fuel injection system No. 2 |
17 |
AMP2 |
30A |
Audio system |
18 |
IG2 |
30A |
Starting System, Ignition, Pointer #2, Ignition ECU #2 |
19 |
IP JB |
25A |
Central locking system |
20 |
STR LOCK |
20 A |
Launch system |
21 |
RAD NO. 3 |
15A |
Indicator and Gauge Illumination, Instrument Panel Illumination, Navigation System, Audio System, Rear Seat Entertainment System |
22 |
HAZ |
15A |
Light alarm |
23 |
ETCS |
10 A |
Multiport fuel injection system, sequential multiport fuel injection system |
24 |
RAD NO. 1 |
10 A |
Audio system |
25 |
AM2 |
7.5 A |
Launch system |
26 |
ECU-B NO. 2 |
7.5A |
Air conditioning system, front seat occupant detection system, starting system |
27 |
MAYDAY/TEL |
7.5 A |
Lexus system mayday |
28 |
IMMOBI |
7.5 A |
- |
29 |
ALT-S |
7.5 A |
Launch system |
thirty |
DRL |
7.5A |
Daytime running light system |
31 |
IGN |
10A |
Starting system, port fuel injection system, sequential port fuel injection system |
32 |
DOME |
10 A |
Vanity mirror lighting, personal lighting, luggage compartment lighting, interior lighting |
33 |
ECU-B NO. 1 |
7.5 A |
Interior lighting, personal lighting, telescopic steering column, communication system, gauges and gauges, power windows , driver's settings memory system, power seats, power tailgate, head-up display, start system, air conditioning system, central locking |
34 |
EFI NO. 1 |
10 A |
Multiport fuel injection system, sequential multiport fuel injection system |
35 |
WIP-S |
7.5 A |
Windshield wipers and washer |
36 |
AFS |
7.5A |
Adaptive lighting system |
37 |
BK/UPLP |
7.5A |
reversing lights |
38 |
HEAT NO. 2 |
7.5 A |
Air conditioning system, all-wheel drive system |
39 |
ECU IG1 |
10 A |
Cornering Light System, Headlamp Washer , Cooling Fan, Cruise Control System, Electronically Controlled Air Suspension, Vehicle Stability Control System, Dynamic Vehicle Steering System |
40 |
EFI N0. 2 |
10 A |
Multiport fuel injection system, sequential multiport fuel injection system |
41 |
F/PMP |
15 A |
Multiport fuel injection system, sequential multiport fuel injection system |
42 |
DEICER |
25A |
Windshield wipers and washer |
43 |
STOP |
7.5A |
Vehicle stabilization system, dynamic vehicle control system, upper brake light |
44 |
TOWING WATT |
20 A |
trailer battery |
45 |
TOWING |
30A |
trailer lighting |
46 |
FILTER |
10 A |
Condenser |
47 |
IG1 MAIN |
30A |
Ignition ECU #1, reverse lights, heater #2, adaptive lighting system |
48 |
H-LP RH HI |
15 A |
Right headlight (high beam) |
49 |
H-LP LH HI |
15 A |
Left headlight (high beam) |
50 |
BIXENON |
10 A |
Xenon headlights |
51 |
H-LP RH LO |
15A |
Right headlight (dipped beam) |
52 |
H-LP LH LO |
15 A |
Left headlight (low beam) |
53 |
HORN |
10 A |
Sound signal |
54 |
A/F |
20 A |
Multiport fuel injection system, sequential multiport fuel injection system |
55 |
S-HORN |
7.5 A |
Signaling |
Dashboard on the driver's side
Fuse |
Denomination |
Chain |
|
1 |
P/POINT |
15A |
Socket |
2 |
ECU-ACC |
10 A |
Navigation system, exterior mirrors, communication system, Multi-information display, instrument display on the windshield |
3 |
CIG |
15A |
Socket |
4 |
RADIO NO. 2 |
7.5 A |
Audio system, socket |
5 |
GAUGE NO. 1 |
10 A |
Hazard warning lights, navigation system, head-up display |
6 |
ECU-IG1 NO. 3 |
10 A |
Exterior mirrors, rear window wipers and washer , heated seats, start system, power socket, panoramic sunroof, automatic high beam headlights |
7 |
ECU-IG1 NO. 1 |
10 A |
Communication system, electric power steering, shift lock control system, telescopic steering column, starting system, automatic transmission, power tailgate, tire pressure display system |
8 |
S/ROOF |
30A |
panoramic sunroof |
9 |
FUELOPN |
7.5A |
Fuel filler cap |
10 |
PSB |
30A |
Safety belts with preventive function |
eleven |
Tl & TE |
30A |
Telescopic steering column |
12 |
DR LOCK |
10 A |
central locking |
13 |
FR FOG |
15 A |
Front fog light |
14 |
P-SEAT LH |
30A |
Power seat (left) |
15 |
4WD |
7.5A |
All-wheel drive system |
16 |
INVERTER |
20 A |
- |
17 |
RR FOG |
7.5 A |
- |
18 |
D/L ALT B |
25A |
Communication system |
19 |
HEATER |
10 A |
Air conditioning system |
20 |
ECU-IG1 N0. 2 |
10A |
Air conditioning system, multiport fuel injection system, sequential multiport fuel injection system, airbag system, multi-information display |
21 |
PANEL |
10 A |
Switch illumination, navigation system, height adjustment system, headlight washer , windshield wiper de-icer, seat heating, power tailgate, audio system, multi-information display, air conditioning system |
22 |
TAIL |
10 A |
Parking lights, side lights, tail lights, license plate lights, front fog lights, towing adapter |
23 |
AIR SUS |
20A |
Air suspension with electronic control |
24 |
P-SEAT RH |
30A |
Power seat (right side) |
25 |
OBD |
7.5 A |
On-Board Diagnostic System |
26 |
FR DOOR |
25A |
Front power window on the right side |
27 |
RR DOOR |
25A |
Rear power window on the right side |
28 |
FL DOOR |
25A |
Front power window on the left side |
29 |
RL DOOR |
25A |
Rear power window on the left side |
thirty |
FR WASH |
25A |
Windshield wipers and washer |
31 |
RRWIP |
15 A |
Windshield wipers and washer |
32 |
RR WASH |
20A |
Windshield wipers and washer |
33 |
FRWIP |
30A |
Windshield wipers and washer |
34 |
ECU IG2 |
10A |
Starting system, parking assist system, all-wheel drive system |
35 |
GAUGE NO. 2 |
7.5A |
Launch system |
36 |
RH S-HTR |
15 A |
Seat heating (right side) |
37 |
LH S-HTR |
15 A |
Seat heating (left side) |
VERSIONS WITH HYBRID TRANSMISSION
Engine compartment (type A)
Fuse |
Denomination |
Chain |
|
1 |
PCU |
15 A |
hybrid system |
2 |
IGCT N0.2 |
10 A |
hybrid system |
3 |
IGCT N0.3 |
10 A |
hybrid system |
4 |
INVW/P |
10 A |
hybrid system |
Engine compartment (type B)
Fuse |
Denomination |
Chain |
|
1 |
RR DEF |
50 A |
Heated rear window |
2 |
AIR SUS |
50A |
Electronic air suspension system |
3 |
HTR |
50A |
Air conditioning system |
4 |
ABS NO. 1 |
50 A |
Brake system with electronic control |
5 |
RDI FAN NO. 1 |
40 A |
Cooling fan |
6 |
RDI FAN NO. 2 |
40 A |
Cooling fan |
7 |
H-LPCLN |
30A |
Headlamp washer |
8 |
PBD |
30A |
Power tailgate system |
9 |
HV R/B NO. 1 |
30A |
PCU, IGCT N0. 2, IGCT N0. 3 INVW/P |
10 |
PD |
50 A |
Daytime Running Light, Air-Fuel Ratio, Right Headlight High Beam, Left Headlight Low Beam, Right Headlight Low Beam, Left Headlight Highbeam, Horn, Alarm, Communication System, Multiport Fuel Injection System/Sequential Multiport Fuel Injection System . |
eleven |
ABS NO. 2 |
50 A |
Brake system with electronic control |
12 |
HV R/B NO. 2 |
80A |
ABS MAIN NO. 1, ABS MAIN NO. 2, A/ C W/P, WATT FAN, OIL PMP |
13 |
DCDC |
150A |
IG1 MAIN, TOWING WATT , DEICER, TOWING, STOP, RDI FAN NO. 1, ABS NO. 1, RR DEF, AIR SUS, HEATER, RDI FAN NO. 2, H-LP CLN, PBD, ECU-IG1 NO. 1, ECUIG1 NO. 3, GAUGE NO. 1, ECU-IG1 NO. 2, EPS, FR WIP, RR WIP, FR WASH, RR WASH, RH S-HTR, LH SHTR, 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, AIR SUS, FUEL OPN, DR LOCK, OBD, RR FOG, S/ROOF, 4WD, INVERTER, ECUACC, P/POINT, CIG, RADIO NO. 2 |
14 |
AMP1 |
30A |
Audio system |
15 |
EFI MAIN |
30A |
Multiport fuel injection system, sequential multiport fuel injection system, fuel injection system No. 1, fuel injection system No. 2 |
16 |
AMP2 |
30A |
Audio system |
17 |
IG2 MAIN |
30A |
Starting System, Ignition, Pointer #2, Ignition ECU #2 |
18 |
IP JB |
25A |
Central locking system |
19 |
STR LOCK |
20A |
Launch system |
20 |
RAD NO. 3 |
15 A |
Indicator and Gauge Illumination, Instrument Panel Illumination, Navigation System, Audio System, Rear Seat Entertainment System |
21 |
HAZ |
15 A |
Light alarm |
22 |
ETCS |
10A |
Multiport fuel injection system, sequential multiport fuel injection system |
23 |
RAD NO. 1 |
10 A |
Audio system |
24 |
AM2 |
7.5 A |
Launch system |
25 |
ECU-B NO. 2 |
7.5 A |
Air conditioning system, front seat occupant detection system, starting system |
26 |
MAYDAY/TEL |
7.5 A |
Lexus system mayday |
27 |
IMMOBI |
7.5A |
- |
28 |
ABS MAIN NO. 3 |
15A |
Brake system |
29 |
DRL |
7.5A |
Daytime running light system |
thirty |
IGN |
10A |
Starting system, port fuel injection system, sequential port fuel injection system |
31 |
DOME |
10 A |
Vanity mirror lighting, personal lighting, luggage compartment lighting, interior lighting |
32 |
ECU-B NO. 1 |
10 A |
Interior lighting, personal lighting, telescopic steering column, communication system, gauges and gauges, power windows , driver's settings memory system, power seats, power tailgate, head-up display, start system, air conditioning system, central locking |
33 |
EFI NO. 1 |
10A |
Multiport fuel injection system, sequential multiport fuel injection system |
34 |
WIP-S |
7.5A |
Windshield wipers and washer |
35 |
ECU-IG1 NO. 4 |
10 A |
Air conditioning system, heated rear window, electronic brake system, electric cooling fan |
36 |
BK/UPLP |
7.5 A |
reversing lights |
37 |
ECU-IG1 NO. 5 |
15 A |
Air conditioning system |
38 |
ECU-IG1 NO. 6 |
10A |
Headlamp cleaner, cruise control, air conditioning system, Blind spot Monitor |
39 |
EFI NO. 2 |
10 A |
Multiport fuel injection system, sequential multiport fuel injection system |
40 |
F/PMP |
15 A |
Multiport fuel injection system, sequential multiport fuel injection system |
41 |
DEICER |
25A |
Windshield wipers and washer |
42 |
STOP |
7.5A |
Vehicle stabilization system, dynamic vehicle control system, upper brake light |
43 |
TOWING WATT |
20 A |
trailer battery |
44 |
TOWING |
30A |
trailer lighting |
45 |
FILTER |
10 A |
Condenser |
46 |
IG1 MAIN |
30A |
Ignition ECU #1, reverse lights, heater #2, adaptive lighting system |
47 |
H-LP RH HI |
15 A |
Right headlight (high beam) |
48 |
H-LP LH HI |
15 A |
Left headlight (high beam) |
49 |
BIXENON |
10A |
Xenon headlights |
50 |
H-LP RH LO |
15A |
Right headlight (dipped beam) |
51 |
H-LP LH LO |
15 A |
Left headlight (low beam) |
52 |
HORN |
10 A |
Sound signal |
53 |
A/F |
20A |
Multiport fuel injection system, sequential multiport fuel injection system |
54 |
S-HORN |
7.5 A |
Signaling |
Fuse |
Denomination |
Chain |
||
ABS MAIN NO. 1 |
10 A |
Brake system |
||
ABS MAIN NO. 2 |
10A |
Brake system |
||
WATT FAN |
15 A |
Cooling fan battery |
||
OIL PMP |
10 A |
hybrid system |
||
A/CW/P |
10 A |
Air conditioning system |
Fuse |
Denomination |
Chain |
|
1 |
P/POINT |
15A |
Socket |
2 |
ECU-ACC |
10 A |
Navigation system, exterior mirrors, communication system, Multi-information display, instrument display on the windshield |
3 |
CIG |
15A |
Socket |
4 |
RADIO NO. 2 |
7.5 A |
Audio system, socket |
5 |
GAUGE NO. 1 |
10A |
Hazard warning lights, navigation system, head-up display |
6 |
ECU-IG1 NO. 3 |
10 A |
Exterior mirrors, rear window wipers and washer , heated seats, start system, power socket, panoramic sunroof, automatic high beam headlights |
7 |
ECU-IG1 NO. 1 |
10 A |
Communication system, electric power steering, shift lock control system, telescopic steering column, starting system, automatic transmission, power tailgate, tire pressure display system |
8 |
S/ROOF |
30A |
panoramic sunroof |
9 |
FUELOPN |
7.5A |
Fuel filler cap |
10 |
PSB |
30A |
Safety belts with preventive function |
eleven |
Tl & TE |
30A |
Telescopic steering column |
12 |
DR LOCK |
10 A |
central locking |
13 |
FR FOG |
15 A |
Front fog light |
14 |
P-SEAT LH |
30A |
Power seat (left) |
15 |
4WD |
7.5 A |
All-wheel drive system |
16 |
INVERTER |
20 A |
- |
17 |
RR FOG |
7.5A |
- |
18 |
D/LALTB |
25A |
Communication system |
19 |
HEATER |
10 A |
Air conditioning system |
20 |
ECU-IG1 NO. 2 |
10 A |
Air conditioning system, multiport fuel injection system, sequential multiport fuel injection system, airbag system, multi-information display |
21 |
PANEL |
10 A |
Switch illumination, navigation system, height adjustment system, headlight washer , windshield wiper de-icer, seat heating, power tailgate, audio system, multi-information display, air conditioning system |
22 |
TAIL |
10 A |
Parking lights, side lights, tail lights, license plate lights, front fog lights, towing adapter |
23 |
AIR SUS |
20 A |
Air suspension with electronic control |
24 |
P-SEAT RH |
30A |
Power seat (right side) |
25 |
OBD |
7.5 A |
On-Board Diagnostic System |
26 |
FR DOOR |
25A |
Front power window on the right side |
27 |
RR DOOR |
25A |
Rear power window on the right side |
28 |
FL DOOR |
25A |
Front power window on the left side |
29 |
RL DOOR |
25A |
Rear power window on the left side |
thirty |
FR WASH |
25A |
Windshield wipers and washer |
31 |
RR WIP |
15 A |
Windshield wipers and washer |
32 |
RR WASH |
20 A |
Windshield wipers and washer |
33 |
FR WIP |
30A |
Windshield wipers and washer |
34 |
ECU IG2 |
10 A |
Starting system, parking assist system, all-wheel drive system |
35 |
GAUGE NO. 2 |
7.5 A |
Launch system |
36 |
RH S-HTR |
15A |
Seat heating (right side) |
37 |
LH S-HTR |
15 A |
Seat heating (left side) |
Luggage Compartment Fuse Box Type A
Fuse |
Denomination |
Chain |
||
DCDC-S |
7.5 A |
hybrid system |
||
CAPACITOR |
10 A |
Capacitor |
Fuse |
Denomination |
Chain |
||
MAIN |
180 A |
All electrical components |
||
RR-B |
50 A |
CAPACITOR, DCDC-S |
||
EPS |
80 A |
hybrid system |
AFTER FUSE REPLACEMENT
If the light does not turn on even after replacing the fuse, the bulb may have blown.
the system checked by a Lexus Dealer .
IF THE NETWORK IS OVERLOADED
Fuses must blow before all wiring is damaged.
CAUTION
To avoid damage to various systems and fire: Follow these precautions to avoid damage, fire, and serious injury.- Never use a fuse with a higher rating than necessary. Do not use foreign objects
as a substitute for a fuse. - Use only genuine Lexus brand fuses or equivalents.
Never replace a fuse with wire, even temporarily. Doing so may cause damage and fire. - Do not attempt to modify the fuses or the fuse box yourself.