2012 TOYOTA HILUX differential

217 2-4. Using other driving systems
2
When driving
HILUX_EE (OM0K132E)
Using the rear differential lock system
Automatic transmission
4WD models only: Before using the rear differential lock sys-
tem, try shifting the front drive control lever into L4. If this is
not sufficient, use the rear differential lock system as well.
Be sure to stop the wheels.
Press the rear differential lock switch.
Gently depress the accelerator pedal.
After the rear differential is locked, the indicator will come on.
Unlock the rear differential as soon as the vehicle moves.
Manual transmission
4WD models only: Before using the rear differential lock sys-
tem, try shifting the front drive control lever into L4. If this is
not sufficient, use the rear differential lock system as well.
Be sure to stop the wheels.
Depress the clutch pedal.
Press the rear differential lock switch.
Slowly release the clutch pedal.
After the rear differential is locked, the indicator will come on.
Unlock the rear differential as soon as the vehicle moves.
STEP1
STEP2
STEP3
STEP4
STEP1
STEP2
STEP3
STEP4
STEP5

218 2-4. Using other driving systems
HILUX_EE (OM0K132E)
Locking the rear differential
The following systems do not operate when the rear differential is locked.
It is normal operation for the ABS warning light, VSC OFF indicator (if
equipped) and slip indicator (if equipped) to be on at this time.
•ABS
• Brake assist (if equipped)
• VSC (if equipped)
• TRC (if equipped)
For easy unlocking
Slightly turn the steering wheel in either direction while the vehicle is in
motion.
Automatic unlocking feature (4WD models)
Shift the front drive control lever to H2 or H4.
Never forget to turn off the switch after using this feature.
After unlocking the rear differential
Check that the indicator goes off.

219 2-4. Using other driving systems
2
When driving
HILUX_EE (OM0K132E)
CAUTION
To avoid an accident
Failure to observe the following precautions may result in an accident.
Do not use the rear differential lock system except when wheel spinning
occurs in a ditch or on a slippery or rugged surface. Large steering effort
and careful cornering control will be required.
Do not lock the rear differential until the wheels have stopped spinning.
Otherwise, the vehicle may move in an unexpected direction when the dif-
ferential lock is engaged, resulting in an accident. This may also lead to
possible damage to rear differential lock component parts.
Do not drive over 8 km/h (5 mph) when the differential is locked.
Do not keep driving with the rear differential lock switch on.

220
2-4. Using other driving systems
HILUX_EE (OM0K132E)
Driving assist systems
To help enhance driving safety and performance, the following sys-
tems operate automatically in response to various driving situations.
Be aware, however, that these systems are supplementary and
should not be relied upon too heavily when operating the vehicle.
ABS (Anti-lock Brake System)
Helps to prevent wheel lock when the brakes are applied suddenly, or if
the brakes are applied while driving on a slippery road surface
Brake assist (if equipped)
Generates an increased level of braking force after the brake pedal is
depressed when the system detects a panic stop situation
VSC (Vehicle Stability Control) (if equipped)
Helps the driver to control skidding when swerving suddenly or turning
on slippery road surfaces
TRC (Traction Control) (if equipped)
Helps to maintain drive power and prevent the drive wheels from spin-
ning when starting the vehicle or accelerating on slippery roads
LSD (Limited Slip Differential) (if equipped)
Helps traction when one rear wheel begins to spin by automatically
transmitting driving force to the other rear wheel

520 4-3. Do-it-yourself maintenance
HILUX_EE (OM0K132E)
FuseAmpereCircuit
4OBD7.5 AOn-board diagnosis system
5INJ15 A
Multiport fuel injection system/
sequential multiport fuel injection
system
6ECU-IG &
GAUGE10 A
Air conditioning system, charging
system, rear differential lock sys-
tem, ABS, TRC, VSC, emergency
flashers, turn signal lights, back-up
lights, multiport fuel injection sys-
tem/sequential multiport fuel injec-
tion system, shift lock control
system, rear window defogger,
headlights, door courtesy switches,
power door lock system, wireless
remote control system, steering
sensor, daytime running light sys-
tem, cruise control, headlight clean-
ers, seat heaters, outside rear view
mirror defoggers, multi-information
display and passenger’s seat belt
reminder light
7WIP20 AWindshield wiper and washer
8IGN7.5 A
Multiport fuel injection system/
sequential multiport fuel injection
system, SRS airbags and fuel pump
9ACC7.5 A
Audio system, power outlet, clock,
power rear view mirror control sys-
tem, shift lock control system and
multi-information display

522 4-3. Do-it-yourself maintenance
HILUX_EE (OM0K132E)Driver’s side instrument panel (rear side)
FuseAmpereCircuit
1AM140 A
Rear differential lock system, ABS,
TRC, VSC, ACC, CIG, ECU-IG &
GAUGE, and WIP fuses
2IG140 APWR, S-HTR, 4WD, DOOR, DEF
and MIR HTR fuses

523 4-3. Do-it-yourself maintenance
4
Maintenance and care
HILUX_EE (OM0K132E)Passenger’s side instrument panel
FuseAmpereCircuit
1MIR-HTR15 AOutside rear view mirror defoggers
24WD20 ARear differential lock system, ABS,
TRC and VSC
3S-HTR15 ASeat heaters
4DEF20 A
Rear window defogger and multi-
port fuel injection system/sequential
multiport fuel injection system
5DOOR25 APower door lock system and power
windows
6PWR30 APower windows
ITI43I094

588
5-2. Steps to take in an emergency
HILUX_EE (OM0K132E)
If the vehicle becomes stuck
CAUTION
When attempting to free a stuck vehicle
If you choose to push the vehicle back and forth to free it, make sure the sur-
rounding area is clear to avoid striking other vehicles, objects or people. The
vehicle may also lunge forward or lunge back suddenly as it becomes free.
Use extreme caution.
When shifting the shift lever
For vehicles with automatic transmission, be careful not to shift the shift
lever with the accelerator pedal depressed.
This may lead to unexpected rapid acceleration of the vehicle that may
cause an accident resulting in death or serious injury.
Carry out the following procedures if the tires spin or the vehicle
becomes stuck in mud, dirt or snow:
Stop the engine. Set the parking brake and shift the shift
lever to P (automatic transmission) or N (manual transmis-
sion).
Remove the mud, snow or sand from around the stuck tire.
Place wood, stones or some other material under the tires
to help provide traction.
Restart the engine.
Lock the rear differential.
(P. 216)
Shift the shift lever to the D or R position (automatic trans-
mission) or 1 or R position (manual transmission) and care-
fully apply the accelerator to free the vehicle.
For vehicles with VSC system, turn off TRC and VSC if these
functions are hampering your attempts to free the vehicle.
(P. 221)
STEP1
STEP2
STEP3
STEP4
STEP5
STEP6