Suzuki GRAND VITARA JB416, Service Manual

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3C-13 Transfer: Motor-Shift Type (Transfer with Shift Actuator)
On-Board Diagnostic System Description
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For 4WD control system, 4WD control module has the following functions.
• When ignition switch is turned ON with engine at stop, differential lock indicator (1), 4L indicator (2) and N indicator
(3) turn on at the same time for 2 seconds in order to check operation of these indicators.
• When 4WD control module detects any malfunction in the following area, differential lock indicator (1), 4L indicator
(2) and N indicator (3) flash continuously and 4WD control module comes into fail-safe mode. For details of fail safe
mode, refer to “Fail-Safe Table: Motor-Shift Type (Transfer with Shift Actuator)”.
– Transfer switch
– Transfer shift actuator motor
– Transfer shift actuator motor position switch
– 4L/N switch
– Center differential lock switch
• DTC can be checked by either one of the following ways.
– DTC can be checked by using SUZUKI scan tool (4) connected to DLC (5).
– If equipped with diagnosis connector, DTC can be displayed on digital display odometer by shorting diagnosis
connector (6).
• When 4WD control module detects any malfunction, 4WD control module will shift automatically transfer to either N
or former position which is in before shifting process began.
DLC (Data Link Connector)
Refer to “Data Link Connector (DLC)” under “On-Board Diagnostic System Description: in Section 1A”.
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