2015 LEXUS LX570 ECU

7994-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L96U_(U) 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 InverterFuse Ampere Circuit

8004-3. Do-it-yourself maintenance
LX570_OM_OM60L96U_(U) ■ 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

8014-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L96U_(U) 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. 803)●
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, protec ting the wiring harness from damage.

8064-3. Do-it-yourself maintenance
LX570_OM_OM60L96U_(U) Replace the light bulb, and install
the bulb base. Align the 3 tabs on the light bulb
with the mounting, and insert.
Turn and secure the bulb base. Shake the bulb base gently to
check that it is not loose, turn the
headlights on once and visually
confirm that no light is leaking
through the mounting.
When installing the cover, conduct in reverse. STEP 4
STEP 5
STEP 6 STEP 1

8124-3. Do-it-yourself maintenance
LX570_OM_OM60L96U_(U) CAUTION■
Replacing light bulbs ●
Turn off the headlights. Do not attempt to replace the bulb immediately after
turning off the headlights.
The bulbs become very hot and may cause burns. ●
Do not touch the glass portion of the li ght bulb with bare hands. When it is
unavoidable to hold the glass portion, use and hold with a clean dry cloth to avoid
getting moisture and oils on the bulb.
Also, if the bulb is scratched or dropped, it may blow out or crack. ●
Fully install light bulbs and any parts used to secure them. Failing to do so may
result in heat damage, fire, or water en tering the headlight unit. This may damage
the headlights or cause condensation to build up on the lens. ●
While the low beam headlights are turned
on, and for a short time after they have
been turned off, metal components at the
rear of the headlight assembly will be
extremely hot.
To prevent burns, do not touch these metal
components until you are certain they have
cooled down.Metal components

8205-1. Essential information
LX570_OM_OM60L96U_(U) Emergency towing
If a tow truck is not available in an emergency, your vehicle may be tem-
porarily towed using a cable or chain secured to the emergency towing
hook. This should only be attempted on hard surfaced roads for 50 miles
(80 km) at low speeds.
A driver must be in the vehicle to steer and operate the brakes. The vehi-
cle’s wheels, drive train, axles, steer ing and brakes must be in good con-
dition.
Towing hook

5
When trouble arises
8215-1. Essential information
LX570_OM_OM60L96U_(U) Emergency towing procedure
Securely attach a cable or chain to the towing hook.
Take care not to damage the vehicle body.
Enter the vehicle being towed and start the engine.
If the engine does not start, turn the “ENGINE START STOP”
switch to IGNITION ON mode.
Shift the four-wheel drive control switch to “H4”. (The center dif-
ferential is unlocked.)
Change the vehicle height to N (standard) mode and press the
height control OFF button to en d the vehicle height operation.
(  P. 320)
Shift the shift lever to N and release the parking brake.
When the shift lever cannot be shifted:  P. 870■
While towing
If the engine is not running, the power assist for the brakes and steering will not
function, making steering and braking more difficult. ■
Wheel nut wrench
Wheel nut wrench is installed in the luggage compartment. (  P. 854)STEP 1
STEP 2
STEP 3
STEP 4
STEP 5

8225-1. Essential information
LX570_OM_OM60L96U_(U) CAUTIONObserve the following precautions.
Failure to do so may result in death or serious injury. ■
When towing the vehicle
■
While towing ●
When towing using cables or chains, avoi d sudden starts, etc. which place exces-
sive stress on the towing hook, cables or chains.
The towing hook, cables or chains may become damaged, broken debris may hit
people and cause serious damage. ●
Do not turn the “ENGINE START STOP” switch to the off.
There is a possibility that the steering wheel is locked and cannot be operated.■
Installing towing hook to the vehicle
Make sure that towing h ook are installed securely.
If not securely installed, towing hook may come loose during towing. Be sure to transport the vehicle with all four
wheels raised off the ground.
If the vehicle is towed with the tires contact-
ing the ground, the drivet rain or related parts
may be damaged, the vehicle may fly off the
truck.