Mazda CX-9 Grand Touring 2009 Manual page 1982

Fig. 17: Identifying Front Door Key Cylinder
Courtesy of MAZDA MOTORS CORP.
FRONT DOOR KEY CYLINDER SWITCH INSPECTION
1. Inspect for continuity between the front door key cylinder switch terminals.
If not as specified, replace the front door latch and lock actuator.
Fig. 18: Terminals Continuity Chart
Courtesy of MAZDA MOTORS CORP.
Fig. 19: Checking Continuity Between Front Door Key Cylinder Switch Terminals
Courtesy of MAZDA MOTORS CORP.
FRONT DOOR LATCH AND LOCK ACTUATOR REMOVAL/INSTALLATION
1. Disconnect the negative battery cable.
2. Remove the following parts:
2008 Mazda CX-9 Grand Touring
2008 BODY & ACCESSORIES Security and Locks - Mazda CX-9