Function Of 4Wd Control System Component; 4Wd Control System Operation - Suzuki GRAND VITARA JB416 Service Manual

Function of 4WD Control System Component

Part Name
4L/N switch
Center differential lock switch
Transfer switch
N indicator
4L indicator
Differential lock indicator
Transmission range sensor (N position) (for A/T
model)
CPP switch
Buzzer incorporated into BCM
4WD control module
Transfer shift actuator
Diagnosis connector

4WD Control System Operation

Instead of the transfer shift lever assembly, the transfer position (4H, 4H-lock, N and 4L-lock) is shifted automatically
by operating the transfer switch.
The 4WD control module operates the transfer shift actuator according to the transfer switch operation.
Transfer: Motor-Shift Type (Transfer with Shift Actuator) 3C-6
Detects transfer shift position combining center differential lock
switch.
Detects transfer shift position combining 4L/N switch.
Shifts transfer shift position.
Indicates transfer is at N position or not.
Indicates transfer is at 4L-lock position or not.
Indicates transfer is at 4H-lock, 4L-lock or not.
Detects A/T is at N range or not.
Detects clutch pedal is depressed or not.
• Indicates transfer is at "N" position.
• Warns of prohibited shift operation.
• Controls transfer shifting.
• Diagnoses 4WD control system components.
• Output operation signal of indicators and buzzer to BCM.
• Consists of transfer shift actuator motor and transfer shift
actuator motor position switch.
• Shifts transfer shift position operating High / Low shift fork and
differential lock shift fork via cams.
• Detects transfer shift actuator motor position.
Indicates DTC on indicators when grounding its diagnosis
terminal.
Function
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