4Wd Control Symptom Diagnosis - Suzuki Grand Vitara 2011 Manual

3C-25 Transfer: Motor-Shift Type (Transfer with Shift Actuator)

4WD Control Symptom Diagnosis

Diagnose transfer assembly after performing the following inspections.
1) Perform 4WD control system check referring to "4WD Control System Check: Motor-Shift Type (Transfer with Shift
Actuator)".
2) Confirm 4WD control system operation referring to "4WD Control System Operation: Motor-Shift Type (Transfer
with Shift Actuator)"
Condition
Transfer does not operate
(Transfer position
indicator does not
operate)
Transfer refuses to
operate (Transfer position
indicator flashes, and
then transfer does not
shift)
Possible cause
Transfer switch faulty
Transfer shift actuator faulty
4L/N switch and/or switch center
differential lock switch faulty
CPP switch faulty (for M/T model)
Wiring or grounding faulty
4WD control module faulty
Transfer shift actuator faulty
4L/N switch and/or center differential
lock switch faulty
Distorted control cover shift shaft or shift
fork
Weakened control cover shift shaft
spring
Distorted or dispositioned control cover
shift shaft snap ring and washer
Worn chamfered tooth on sleeve or gear Check chamfered tooth and gear referring to
Wiring or grounding faulty
4WD control module faulty
Correction / Reference Item
Check switch referring to "Transfer Switch
Inspection: Motor-Shift Type (Transfer with
Shift Actuator)".
Check transfer shift actuator referring to
"Transfer Assembly Inspection: Motor-Shift
Type (Transfer with Shift Actuator)".
Check switch referring to "Transfer Assembly
Inspection: Motor-Shift Type (Transfer with
Shift Actuator)".
Check CPP switch referring to "Clutch Pedal
Position (CPP) Switch Inspection and
Adjustment in Section 5C".
Repair as necessary.
Check 4WD control module referring to
"Inspection of 4WD Control Module and Its
Circuits: Motor-Shift Type (Transfer with Shift
Actuator)".
Check transfer shift actuator referring to
"Transfer Assembly Inspection: Motor-Shift
Type (Transfer with Shift Actuator)".
Check switch referring to "Transfer Assembly
Inspection: Motor-Shift Type (Transfer with
Shift Actuator)".
Check shift fork referring to "Transfer Assembly
Inspection: Motor-Shift Type (Transfer with
Shift Actuator)".
Check spring referring to "Transfer Assembly
Inspection: Motor-Shift Type (Transfer with
Shift Actuator)".
Check snap ring and washer referring to
"Transfer Assembly Inspection: Motor-Shift
Type (Transfer with Shift Actuator)".
"Transfer Assembly Inspection: Motor-Shift
Type (Transfer with Shift Actuator)".
Repair as necessary.
Check 4WD control module referring to
"Inspection of 4WD Control Module and Its
Circuits: Motor-Shift Type (Transfer with Shift
Actuator)".
S6JB0A3314011