Door Lock Controller Test: Swift

Disconnect door lock controller harness connector. Door lock controller is located below package tray in luggage compartment. Connect positive battery voltage to power door lock controller terminal No. 6. Connect negative battery voltage to terminals No. 7 and 8. Relay inside controller should click. See Fig 1 .
Disconnect negative battery voltage from terminal No. 8 and connect it to terminal No. 9. Relay inside controller should click. If controller does not function as described, replace door lock controller.

Fig 1: Testing Door Lock Controller (Swift)

Courtesy of SUZUKI OF AMERICA CORP.