Inspection Of Operation

WARNING: This page is about a different car, the 2002 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable.
Disconnect the coupler component.
Apply battery voltage to each terminal.

Fig 1: Checking Coupler Component Operation & Connector View
Courtesy of MAZDA MOTORS CORP.
Verify that each control valve operates with a "click".
- If the "click" is not heard, replace the solenoid valve.