2009 TOYOTA TUNDRA towing

269
2-5. Driving information
2
When driving
CAUTION
■
Tongue load or king pin weight
●A recommended tongue load or king pin weight varies in accordance with
the types of trailers or towing as described below.
● In order to ensure the recommended values shown below, the trailer must
be loaded by referring to the following instructions.
1. Conventional Towing The trailer cargo load should be distributed so that the tongue load is 9 to
11% of the gross trailer weight, not exceeding the following.
(Tongue load/Gross trailer weight x 100 = 9 to 11%)
If the gross trailer weight is over 2000 lbs. (907 kg), it is necessary to use a
sway control device with sufficient capacity.
If the gross trailer weight is over 5000 lbs.(2268 kg), it is necessary to use
a weight distributing hitch with sufficient capacity.
If using a weight distributing hitch when towing, keep your vehicle level
with the ground.
2. Fifth wheel Towing The king pin weight is 15 to 25% of the Gross Trailer weight.
(King pin weight/Gross trailer weight x 100 = 15 to 25%)
CrewMax models: Current fifth wheel trailer designs are not compatible
with short bed.
Gross trailer weight
Tongue load
Gross trailer weight
King pin weight

270 2-5. Driving information
CAUTION
■To avoid accident or injury
●Speed limit for towing a trailer vary by state or province. Do not exceed the
posted towing speed limit.
● Do not exceed the trailer hitch assembly weight, gross vehicle weight,
gross axle weight and trailer tongue load capacities.
● Do not use cruise control when you are towing.
● Slow down and downshift before descending steep or long downhill
grades. Do not make sudden downshifts.
● Avoid holding the brake pedal down too long or applying the brakes too
frequently. This could cause the brakes to overheat and result in reduced
braking efficiency.
● Do not tow the vehicle with the temporary spare tire installed.
■ Hitch
Trailer hitch assemblies have different weight capacities established by the
hitch manufacturer. Even though the vehicle may be physically capable of
towing a higher weight, the operator must determine the maximum weight
rating of the particular hitch assembly and never exceed the maximum
weight rating specified for the trailer-hitch. Exceeding the maximum weight
rating set by the trailer-hitch manufacturer can cause an accident resulting in
death or serious personal injuries.
■ When towing a trailer
●If the gross trailer weight exceeds 1000 lb. (453 kg), trailer brakes are
required. Toyota recommends trailers with brakes that conform to all appli-
cable federal and state/provincial regulations.
● Never tap into your vehicle’s hydraulic system, as this will lower the vehi-
cle’s braking effectiveness.
● Never tow a trailer without using a safety chain securely attached to both
the trailer and the vehicle. If damage occurs to the coupling unit or hitch
ball, there is danger of the trailer wandering into another lane.

271
2-5. Driving information
2
When driving
NOTICE
■
When installing a trailer hitch
Use only the position recommended by your Toyota dealer. Do not install the
trailer hitch on the bumper; this may cause body damage.
■ Safety chain
A safety chain must always be used between the towing vehicle and the
trailer. Leave sufficient slack in the chain for turns. The chain should cross
under the trailer tongue to prevent the tongue from dropping to the ground in
the case that it becomes damaged or separated. For the correct safety chain
installation procedure, ask your Toyota dealer.
■ Do not directly splice trailer lights
Directly splicing trailer lights may damage your vehicle’s electrical system
and cause a malfunction.
■ When towing a fifth wheel trailer
Be careful not to hit the cabin or deck by the trailer while making a sharp
turn.

272
2-5. Driving information
Dinghy towing
NOTICE
■To avoid serious damage to your vehicle
Do not tow your vehicle with four wheels on the ground.
Your vehicle is not designed to be dinghy towed (with 4 wheels on
the ground) behind a motor home.

419
3-6. Using the
storage features
3
Interior and exterior features
Auxiliary boxes
Front door Press the knob and open the lid.
Front bench type seat (type A) Pull the strap.
NOTICE
■Items that should not be st owed in the bottle holders.
Put the cap on before stowing a bottle. Do not place open bottles in the bot-
tle holders, or glasses and paper cups containing liquid. The contents may
spill and glasses may break.
Bottle holders and auxiliary boxes

516 4-3. Do-it-yourself maintenance
9 STOP15 AStop lights, high mounted stop-
light, vehicle stability control sys-
tem, anti-lock brake system, shift
lock system, multiport fuel injection
system/sequential multiport fuel
injection system, towing converter
10 TOW BRK 30 A Trailer brake controller 11 IMB 7.5 A Engine immobilizer system
12 AM2 7.5 A Starting system
13 TOWING 30 A Towing converter
14 ALT-S 5 A Charging system
15 TURN-HAZ 15 A Turn signal lights, emergency
flashers, towing converter
16 F/PMP 15 A No circuit
17 ETCS 10 AMultiport fuel injection system/
sequential multiport fuel injection
system, electric throttle control sys-
tem
18 MET-B 5 A Gauges and meters
19 AMP 30 AAudio system, rear view monitor,
navigation system, rear seat enter-
tainment system
20 RAD NO.1 15 A Audio system, rear view monitor,
navigation system, rear seat enter-
tainment system
21 ECU-B1 7.5 AMultiplex communication system,
Multiport fuel injection system/
sequential multiport fuel injection
system, auto anti-glare inside rear
view mirror, power outlets, power
front driver’s seat, power tilt and
power telescopic
FuseAmpereCircuit

517
4-3. Do-it-yourself maintenance
4
Maintenance and care
22 DOME
7.5 AInterior lights, personal lights, van-
ity lights, engine switch light, foot
light, door courtesy lights, acces-
sory meter
23 HEAD LH 15 ALeft-hand headlight
(high beam)
24 HEAD LL 15 ALeft-hand headlight
(low beam)
25 INJ 10 AMultiport fuel injection system/
sequential multiport fuel injection
system, ignition system
26 MET 7.5 A Gauges and meters
27 IGN 10 ASRS airbag system, multiport fuel
injection system/sequential multi-
port fuel injection system, engine
immobilizer system, cruise control
system
28 HEAD RH 15 ARight-hand headlight
(high beam)
29 HEAD RL 15 ARight-hand headlight
(low beam)
30 EFI NO.2 10 AMultiport fuel injection system/
sequential multiport fuel injection
system, leak detection pump
31 DEF I/UP 5 A No circuit
32 SPARE 5 A Spare fuse
33 SPARE 15 A Spare fuse
34 SPARE 30 A Spare fuse
35 DEFOG 40 A Back window defogger
36 SUB BATT 40 A Trailer towing
37 ABS1 50 AAnti-lock brake system, vehicle sta-
bility control system
FuseAmpereCircuit

519
4-3. Do-it-yourself maintenance
4
Maintenance and care
■
Under the instrument panel
FuseAmpereCircuit
1 INVERTER 15 A Power outlet (115 V)
2 FR P/SEAT LH 30 A Power front driver’s seat
3 DR/LCK 25 A Multiplex communication system
4 OBD 7.5 A On-board diagnosis system
5 PWR OUTLET 15 A Power outlets
6 CARGO LP 7.5 A Cargo lamp
7 AM1 7.5 A Shift lock system, starting system
8 A/C 7.5 A Air conditioning system
9 MIR 15 A Outside rear view mirror control,
outside rear view mirror heaters
10 FR P/SEAT RH 30 A Power front passenger seat
11 TI&TE 15 A Power tilt and power telescopic
12 S/ROOF 25 A Electric moon roof
13 ECU-IG No.1 7.5 A Anti-lock brake system, vehicle sta-
bility control system, multiplex com-
munication system, intuitive
parking assist system, power front
driver’s seat, power tilt and power
telescopic, shift lock, tire pressure
warning system, accessory meter,
trailer towing, power outlet, electric
moon roof