FixVault

Door Lock Timer Unit

Remove door lock timer unit from bracket behind glove box. SeeFig 1 . Leave door lock timer unit connector attached. Using DVOM, measure voltage at specified terminals of door lock timer unit connector (backprobe connector). SeeFig 2 . See DOOR LOCK TIMER UNIT CONNECTOR PIN VOLTAGES  . Disconnect door lock timer unit connector and check continuity at terminal "A" (ground). If voltage measurements or continuity are not as specified, check related components and wiring harnesses. If related components amd wiring harnesses are okay, but system is still not functioning properly, replace door lock timer unit.

Fig 1: Locating Door Lock Timer Unit & Keyless Unit
G97C11009Courtesy of MAZDA MOTORS CORP.
Fig 2: Identifying Door Lock Timer Unit Connector Terminals
G97F11010Courtesy of MAZDA MOTORS CORP.
DOOR LOCK TIMER UNIT CONNECTOR PIN VOLTAGES

Terminal Desired Condition
"A" (Ground)
Constant Continuity
"B" (30-Amp DOOR LOCK Fuse)
Constant 12V
"C" (CPU)
Door Lock Actuator Unlocked 12V->0V->12V
Other 12V
"D" (CPU)
Door Lock Actuator Locked 12V->0V->12V
Other 12V
"E" (Door Lock Actuator)
Door Lock Actuator Locked 0V->12V->0V
Other 0V
"F" (Door Lock Actuator)
Door Lock Actuator Unlocked 0V->12V->0V
Other 0V
"G" Not Used
"H" Not Used