Prevention Function Model); Rear End Door Window/Back Window - Suzuki SX4 Service Manual

Rear End Door Window / Back Window Defogger Symptom Diagnosis
NOTE
• Use of SUZUKI scan tool makes it easy to check whether a faulty condition is on the input side or
output side of BCM. For checking procedure, refer to "Diagnosis Using Output Test Function of
SUZUKI Scan Tool" under "Scan Tool Data in Section 10B".
• Check each part in the order from the top of the following list.
Condition
Rear end door window/
back window defogger
does not operate
Power Window Control System Symptom Diagnosis
Condition
All power windows do not
operate
Only one power window
does not operate
Driver side door glass
fails to perform auto-up /
auto-down function
(Pinching Prevention
Function Model)
Driver side door glass
fails to lower back even
when a foreign matter is
pinched (Pinching
Prevention Function
Model)
Diagnostic Information and Procedures
Possible cause
Circuit fuse blown

Rear end door window/back window

defogger switch faulty
Rear end door window/back window
defogger relay faulty
Defogger wire faulty
Wiring or grounding faulty
BCM faulty
Possible cause
Circuit fuse blown
Power window main switch faulty
Ignition switch faulty
Wiring or grounding faulty
Power window main switch faulty
Power window sub switch faulty
Wiring and/or coupler faulty
Power window regulator faulty
Power window motor faulty
Wiring or grounding faulty
Power window main switch faulty
Power window motor faulty
Wiring or grounding faulty
Power window main switch has not been
initialized
Power window main switch faulty
Power window motor faulty
Glass / Windows / Mirrors:
Correction / Reference Item
Replace fuse and check for short circuit.
Check rear end door window/back window
defogger switch referring to "Rear End Door
Window / Back Window Defogger Switch
Inspection".
Check rear end door window/back window
defogger relay referring to "Rear End Door
Window / Back Window Defogger Relay
Inspection".
Check defogger wire referring to "Rear End
Door Window / Back Window Defogger Wire
Inspection".
Repair circuit.
Replace after making sure that none of above
parts is faulty.
Correction / Reference Item
Replace fuse and check for short circuit.
Check power window main switch referring to
"Power Window Main Switch Inspection".
Check ignition switch referring to "Ignition
Switch Inspection in Section 9C".
Repair circuit.
Check power window main switch referring to
"Power Window Main Switch Inspection".
Check power window sub switch referring to
"Power Window Sub Switch Inspection".
Check wiring and/or coupler.
Check window regulator.
Check power window motor.
Repair circuit.
Check power window main switch referring to
"Power Window Main Switch Inspection".
Check power window motor referring to "Pulse
Sensor and Its Circuit Inspection (Pinching

Prevention Function Model)".

Repair circuit.
Execute the initial setting of power window
main switch referring to "Power Window Main
Switch Initialization (Pinching Prevention
Function Model)".
Check power window main switch referring to
"Power Window Main Switch Inspection".
Check power window motor referring to "Pulse
Sensor and Its Circuit Inspection (Pinching
Prevention Function Model)".
9E-3
S7RW0A9504001
S7RW0A9504002