Subsection 13 (GEARBOX AND 4X4 COUPLING UNIT (WITH EXTERNAL SWITCHES))
SWITCH
POSITION
SWITCH WIRE
RESISTANCE
2WD
Close to 0
4WD
BLACK/
BEIGE
Engine
ground
Infinite (OL)
If the resistance is out of specification, replace the
4WD indicator switch.
Installing the 4WD Indicator Switch
For installation, reverse the removal procedure.
Pay attention to the following details.
Take care do not damage indicator switch threads
during installation.
Apply carefully some sealant on threads of indica-
tor switch.
NOTICE
Do not apply sealant on switch
plunger, as it will lead to switch malfunction.
TIGHTENING TORQUE
Service product
LOCTITE 5910 (P/N 293
800 081)
Indicator switch
3 N•m ± 0.3 N•m
(27 lbf•
in
± 3 lbf•
in
)
4WD ACTUATOR
4WD Actuator Access
To access the actuator, refer to
BODY
and remove
the RH engine cover.
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Testing the 4WD Actuator
Check if the 2WD/4WD selector works properly.
REQUIRED TOOL
FLUKE 115 MULTIMETER
(P/N 529 035 868)
Unplug actuator connector.
Turn ignition key ON.
Set emergency engine stop switch to RUN.
Measure voltage as follows.
SWITCH
POSITION
SWITCH WIRE
VOLTAGE
2WD
WHITE/BLUE
4WD
WHITE/BLACK
WHITE
Battery
voltage
If the selector is out of specifications, check
wires, connectors and replace the selector if nec-
essary.
If the selector is good, check the vehicle harness.
If the vehicle harness is good, replace the actua-
tor.
Removing the 4WD Actuator
NOTE:
Clean area of dirt before removing the
4WD actuator.
Make sure the actuator is in 4WD position.
Remove the RH floorboard.
Place a drain pan under actuator.
Remove actuator screws.
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1. Actuator
2. Washer
3. Screw
Pull the actuator out of housing.
Installing the 4WD Actuator
Lubricate actuator O-ring.
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