2013 Lexus GX460 tow

612
GX460_OM_OM60J63U_(U)
4-3. Do-it-yourself maintenance
Do-it-yourself service precautions
If you perform maintenance yourself, be sure to follow the correct proce-
dure given in these sections.
ItemsParts and tools
Battery condition ( →P. 6 3 1 )
•Warm water
• Baking soda
•Grease
•Conventional wrench
(for terminal clamp bolts)
Brake fluid level ( →P. 6 2 7 )
• FMVSS No.116 DOT 3 or SAE
J1703 brake fluid
•Rag or paper towel
• Funnel (used only for adding brake
fluid)
GX460_OM_OM60J63U_(U).book Page 612 Thursday, March 29, 2012 9:10 AM

613
4-3. Do-it-yourself maintenance
4
Maintenance and care
GX460_OM_OM60J63U_(U)
ItemsParts and tools
Engine coolant level (→P. 6 2 4 )
• “Toyota Super Long Life Coolant”
or similar high quality ethylene gly-
col based non-silicate, non-amine,
non-nitrite and non-borate coolant
with long-life hybrid organic acid
technology
For the U.S.A.:
“Toyota Super Long Life Coolant”
is pre-mixed with 50 % coolant
and 50 % deionized water.
For Canada:
“Toyota Super Long Life Coolant”
is pre-mixed with 55 % coolant and
45 % deionized water.
• Funnel (used only for adding cool-
ant)
Engine oil level ( →P. 6 2 0 )
• “Toyota Genuine Motor Oil” or
equivalent
•Rag or paper towel
• Funnel (used only for adding engine oil)
GX460_OM_OM60J63U_(U).book Page 613 Thursday, March 29, 2012 9:10 AM

614
4-3. Do-it-yourself maintenance
GX460_OM_OM60J63U_(U)
ItemsParts and tools
Fuses(→ P. 6 5 5 )• Fuse with same amperage rating as
original
Headlight aim ( →P. 668)• Phillips-head screwdriver
Light bulbs (→ P. 6 7 0 )
• Bulb with same number and watt-
age rating as original
• Phillips-head screwdriver
•Flathead screwdriver
•Wrench
Power steering fluid level (→ P. 6 2 9 )
• Automatic transmission fluid
DEXRON® II or III
•Rag or paper towel
• Clean funnel
Radiator and condenser ( →P. 6 2 6 )
Tire inflation pressure ( →P. 643)• Tire pressure gauge
• Compressed air source
Wa s h e r f l u i d ( →P. 6 3 5 )
• Water or washer fluid containing
antifreeze (for winter use)
• Funnel (used only for adding water or washer fluid)
GX460_OM_OM60J63U_(U).book Page 614 Thursday, March 29, 2012 9:10 AM

622
4-3. Do-it-yourself maintenance
GX460_OM_OM60J63U_(U)
■Engine oil consumption
A certain amount of engine oil will be consumed while driving. In the following situ-
ations, oil consumption may increase, and engine oil may need to be refilled in
between oil maintenance intervals.
●When the engine is new, for example directly after purchasing the vehicle or
after replacing the engine
●If low quality oil or oil of an inappropriate viscosity is used
●When driving at high engine speeds or with a heavy load, when towing, or when
driving while accelerating or decelerating frequently
●When leaving the engine idling for a long time, or when driving frequently
through heavy traffic
GX460_OM_OM60J63U_(U).book Page 622 Thursday, March 29, 2012 9:10 AM

659
4-3. Do-it-yourself maintenance
4
Maintenance and care
GX460_OM_OM60J63U_(U)
6SUB BATT30 ATo w i n g
7IG220 AInjector, ignition, meter
8HORN10 AHorn
9EFI25 AEFI ECU, A/F heater relay, fuel pump
relay, EFI NO.2
10A/F20 AA/F SSR
11FUEL OPN 10 AFuel lid opener
12S/HTR RR20 ARear seat heater
13FOLD SEAT LH30 AFolding seat (left)
14FOLD SEAT RH30 AFolding seat (right)
15TOW I N G TA I L30 ATo w i n g
16A/C COMP10 AAir conditioning system
17STRG HTR 10 ASteering heater
18CDS FAN20 ACondenser fan
19STOP10 A
Stop lights, high mount stop light, stop
light switch, VSC ECU, towing, Smart
access system with push button start
20AIR SUS NO.27. 5 AAIR SUS ECU
21H-LP RH-HI15 AHeadlight high beam (right)
22H-LP LH-HI15 AHeadlight high beam (left)
FuseAmpereCircuit
GX460_OM_OM60J63U_(U).book Page 659 Thursday, March 29, 2012 9:10 AM

660
4-3. Do-it-yourself maintenance
GX460_OM_OM60J63U_(U)
23HTR50 AAir conditioning system
24WIP WSH RR30 ARear window wipers and washer
25H-LP CLN30 AHeadlight cleaner
26ST30 ASTARTER MTR
27H-LP HI25 ADIM relay, headlights, daytime run-
ning light system
28ALT-S7. 5 AALT
29TURN & HAZ15 A
Front turn signal light, rear turn signal
light, side turn signal light, meter turn
signal light
30D/ L N O.125 ADoor lock motor, glass hatch opener
31ETCS10 AEFI ECU
32FUEL PMP15 AFPC
33TOW I N G30 ATo w i n g
34ALT140 A
Air conditioning system, AIR SUS,
headlight cleaner, towing, folding seat,
STOP, rear window defogger, MIR
HTR, CDS FAN, RR FOG, DEICER,
MG-CLT, RR SEAT HTR, STRG HTR,
J/B, INV, RR WIP, RR WSH
35P/ I - B80 AInjector, ignition, meter, EFI, A/F
heater, horn
FuseAmpereCircuit
GX460_OM_OM60J63U_(U).book Page 660 Thursday, March 29, 2012 9:10 AM

661
4-3. Do-it-yourself maintenance
4
Maintenance and care
GX460_OM_OM60J63U_(U)
36RAD NO.115 AAudio system, navigation system, rear
seat entertainment system
37AM27. 5 AStarter system
38RAD NO.210 ANavigation system
39MAYDAY7. 5 AMAYDAY
40AMP30 AAudio system
41ABS NO.150 AABS, VSC
42ABS NO.230 AABS, VSC
43AIR PMP50 AAir pump
44SECURITY10 ASECURITY
45SMART7. 5 ASmart access system with push button
start
46STRG LOCK20 ASteering lock system
47TOW I N G B R K30 ATo w i n g
48WIP RR15 ARear window wiper
49DOME10 A
Interior lights, personal lights, vanity
lights, door courtesy lights, footwell
lights, outer foot lights, overhead
module
FuseAmpereCircuit
GX460_OM_OM60J63U_(U).book Page 661 Thursday, March 29, 2012 9:10 AM

663
4-3. Do-it-yourself maintenance
4
Maintenance and care
GX460_OM_OM60J63U_(U)Under the instrument panel
FuseAmpereCircuit
1P/O U T L E T15 APo w e r o u t l e t
2ACC7. 5 A
Outside rear view mirror motor,
BODY ECU, air conditioning system,
audio system, navigation system,
parking assist system, back up relay,
DSS#2 ECU, AT indicator, EFI ECU,
shift lock ECU, DCM, MAYDAY
ECU
3BKUP LP10 A
Back-up lights, audio system, multi
information display, DSS#2 ECU,
parking assist sensor
4TOW I N G B K L P10 ATo w i n g
5AV S20 AAir suspension system
6KDSS10 AKDSS ECU
GX460_OM_OM60J63U_(U).book Page 663 Thursday, March 29, 2012 9:10 AM