LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2021 >> CX-9 Signature >> Repair and Diagnosis >> Body & Frame >> Windows >> Glass/Windows/Mirrors >> Power Window Main Switch Inspection >> Power Window Main Switch
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Power Window Main Switch

TERMINAL VOLTAGE REFERENCE

Terminal Signal name Connected to Measurement condition Voltage (V) Inspection item(s)
1A Sensor power supply Power window motor (driver's side) While the ignition is switched ON (engine on or off) or approx. 40 s after ignition switched OFF (LOCK) from ON B+  
Switch the ignition to ACC or OFF 1.0 or less
1B Power supply P.WINDOW3 30A fuse Under any condition B+  
  • P.WINDOW3 30A fuse
  • Related wiring harness
1D Driver's side window open signal Power window motor (driver's side) Door glass (driver's side) opening B+  
While door glass (driver-side) is opening for approx. 40 s after ignition is switched OFF (LOCK) from ON B+
Other 1.0 or less
1E Door open/close signal Rear body control module (RBCM) Because this terminal is for communication, integrity determination by terminal voltage is not possible  
  • Rear body control module (RBCM)
  • Related wiring harness
1F Driver's side window close signal Power window motor (driver's side) Door glass (driver's side) closing B+  
While door glass (driver-side) is closing for approx. 40 s after ignition is switched OFF (LOCK) from ON B+
Other 1.0 or less
1G IG1 C/U IG1 15A fuse Switch the ignition ON (engine on or off) B+  
  • C/U IG1 15A fuse
  • Related wiring harness
Switch the ignition OFF (LOCK) 1.0 or less
1H - - - - -
1I Sensor ground Power window motor (driver's side) Under any condition 1.0 or less  
1J - - - - -
1K GND Body ground Under any condition 1.0 or less  
  • Related wiring harness
1L Serial communication Power window sub-switch Because this terminal is for communication, integrity determination by terminal voltage is not possible  
2D Pulse 1 Power window motor (driver's side) Door glass (driver's side) operating Wave pattern (See Inspection Using an Oscilloscope (Reference) .)  
2F Pulse 2 Power window motor (driver's side) Door glass (driver's side) operating Wave pattern (See Inspection Using an Oscilloscope (Reference) .)  
2J Door lock signal Rear body control module (RBCM) Door lock switch unlocked 1.0 or less  
  • Rear body control module (RBCM)
  • Related wiring harness
Other approx. 4.5
Door lock switch locked approx. 2.2
2K ACC MIRROR 7.5 A fuse Switch the ignition to OFF 1.0 or less  
  • MIRROR 7.5 A fuse
  • Related wiring harness
Other B+
2L - - - - -
2N GND Body ground Under any condition 1.0 or less  
  • Related wiring harness