Page 727 of 830
726
5-2. Steps to take in an emergency
GX460_CANADA (OM60F29U)Slightly loosen the wheel nuts (one
turn).
Position the jack at the jack points
as shown.
Front - Under the chassis frame
side rail
Rear - Under the rear axle housing
STEP3
STEP4
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5
When trouble arises
727
5-2. Steps to take in an emergency
GX460_CANADA (OM60F29U)Loosen each bolt, and assemble
the jack handle extension as
shown. Be sure to tighten each bolt
securely. (
→P. 7 3 0 )
Raise the vehicle until the tire is
slightly raised off the ground.
Remove all the wheel nuts and the
tire.
When resting the tire on the
ground, place the tire so that the
wheel design faces up to avoid
scratching the wheel surface.
STEP5
STEP6
STEP7
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734
5-2. Steps to take in an emergency
GX460_CANADA (OM60F29U)
If the engine will not start
If the engine will not start even though correct starting procedures are
being followed (
→P. 179), consider each of the following 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. 1 7 9 )
● There may be a malfunction in the engine immobilizer system.
(→ P. 1 1 4 )
■ The starter motor turns over slowly, interior lights and headlights
are dim, or the horn does not sound or sounds at a low volume
One of the following may be the cause of the problem:
● The battery may be discharged. ( →P. 74 1 )
● 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. 7 3 8 )
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5
When trouble arises
735
5-2. Steps to take in an emergency
GX460_CANADA (OM60F29U)
Emergency start function
When the engine does not start, the following steps can be used as an
interim measure to start the engine if the “ENGINE START STOP” switch
is functioning normally:Set the parking brake.
Shift the shift lever to P.
Turn the “ENGINE START STOP” switch to ACCESSORY
mode.
Press and hold the “ENGINE START STOP” switch for about 15
seconds while depressing the brake pedal firmly.
Even if the engine can be started using the above steps, the system may
be malfunctioning. Have the vehicle inspected by your Lexus dealer.
■ The starter motor does not turn ov er, interior lights and headlights
do not turn on, or the horn does not sound
One of the following may be the cause of the problem:
● One or both of the battery terminals may be disconnected.
● The battery may be discharged. ( →P. 74 1 )
● There may be a malfunction in the steering lock system.
Contact your Lexus dealer if the problem cannot be repaired, or if
repair procedures are unknown.
STEP1
STEP2
STEP3
STEP4
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742
5-2. Steps to take in an emergency
GX460_CANADA (OM60F29U)
■Starting the engine when the battery is discharged
The engine cannot be started by push-starting.
■To prevent battery discharge
●Turn off the headlights and the audio system while the engine is off.
●Turn off any unnecessary electrical components when the vehicle is running at a
low speed for an extended period, such as in heavy traffic, etc.
Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately 5
minutes to recharge the battery of your vehicle.
Open and close any of the doors of your vehicle with the
“ENGINE START STOP” switch off.
Maintain the engine speed of the second vehicle and start the
engine of your vehicle by turning the “ENGINE START STOP”
switch to IGNI TION ON mode.
Once your vehicle’s engine has started, remove the jumper
cables in the exact reverse order in which they were con-
nected.
Once the engine starts, have the vehicle checked at your Lexus dealer
as soon as possible.STEP3
STEP4
STEP5
STEP6
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743
5-2. Steps to take in an emergency
GX460_CANADA (OM60F29U)
CAUTION
■Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flammable
gas that may be emitted from the battery:
●Make sure the jumper cable is connected to the correct terminal and that it is not
unintentionally in contact with any part other than the intended terminal.
●Do not allow the + and - clamps of the jumper cables to come into contact with
each other.
●Do not smoke, use matches, cigarette lighters or allow open flame near the bat-
tery.
■Battery precautions
The battery contains poisonous and corrosive acidic electrolyte, while related parts
contain lead and lead compounds. Observe the following precautions when han-
dling the battery:
●When working with the battery, always wear safety glasses and take care not to
allow any battery fluids (acid) to come into contact with skin, clothing or the vehi-
cle body.
●Do not lean over the battery.
●If the battery fluid comes into contact with the skin or eyes, immediately wash the
affected area with water and seek medical attention.
Place a wet sponge or cloth over the affected area until medical attention can be
received.
●Always wash your hands after handling the battery support, terminals, and other
battery-related parts.
●Do not allow children near the battery.
NOTICE
■When handling jumper cables
When connecting the jumper cables, ensure that they do not become entangled in
the cooling fans or belt.
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Page 759 of 830
758
6-1. Specifications
GX460_CANADA (OM60F29U)
Electrical system
Front differential
*: “Toyota Genuine Differential Gear Oil” is filled in your Lexus vehicle at factory
fill.
Use Lexus approved “Toyota Genuine Differential Gear Oil” or an equivalent of
matching quality to satisfy the above specification. Please contact your Lexus
dealer for further details.
Battery
Open voltage* at
68 °F (20 °C):12.6 12.8V Fully charged
12.2 12.4V Half charged
11.8 12.0V Discharged
(
*: Voltage is checked 20 minutes after the
engine and all the lights are turned off.)
Charging rates5A max.
Oil capacity1.48 qt. (1.40 L, 1.23 Imp.qt.)
Oil type and viscosity*Toyota Genuine Differential
Gear Oil LT 75W-85 GL5 or equivalent
GX460_CANADA.book Page 758 Thursday, February 4, 2010 11:54 AM
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763
6-1. Specifications
6
Vehicle specifications
GX460_CANADA (OM60F29U)
Light bulbs
A: HB3 halogen bulbsB: D4S discharge bulbs
C: H11 halogen bulbs D: Wedge base bulb (amber)
E: Wedge base bulb (clear)
*:If equipped
Light bulbsBulb No.WTy p e
Exterior
Headlights
High beam
Low beam (discharge bulbs
*)
Low beam (halogen bulbs
*)
9005
6035
55A B
C
Front turn signal lights744021D
Parking/front side marker
lights5E
Front fog lights55C
Rear turn signal lights744021D
Back-up lights92116E
Rear side marker lights5E
Running board lights5E
Interior
Personal/Interior lights Front
Rear
5
5E
E
Vanity lights8E
Door courtesy lights5E
GX460_CANADA.book Page 763 Thursday, February 4, 2010 11:54 AM