Cruise Control Switch Inspection [MZI-3.7]

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable wait for 1 min more.
Remove the driver-side air bag module. (See DRIVER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION ).
Disconnect the cruise control switch connector. (See AUDIO CONTROL SWITCH REMOVAL/INSTALLATION ).

Inspect for resistance and continuity between cruise control switch terminals B-C using a tester.

If not as specified, replace the audio control switch. (See AUDIO CONTROL SWITCH REMOVAL/INSTALLATION ).

SWITCH CONDITION SPECIFICATION CHART

Switch condition	Resistance (ohm)
Cruise OFF switch held at on	Continuity
CANCEL switch held at on	117.6-122.4
SET (-) switch held at on	294.0-306.0
SET (+) switch held at on	588.0-612.0
RESUME switch held at on	1,087.8-1,132.2
Cruise ON switch held at on	2,067.8-2,152.2
Neutral	4,223.8-4,396.2

Fig 1: Identifying Cruise Control Switch Connector Terminals

Courtesy of MAZDA MOTORS CORP.

Apply battery positive voltage to audio control switch terminal D, and connect terminal E to ground.
Verify that the LED illuminates.
- If the LED does not illuminate, replace the audio control switch (See AUDIO CONTROL SWITCH REMOVAL/INSTALLATION ).
  
  Fig 2: Identifying Audio Control Switch Connector Terminals
  Courtesy of MAZDA MOTORS CORP.