Steering Shift Switch Inspection

Remove the engine cover.
Remove the battery cover.
Disconnect the negative battery cable.
Disconnect the audio control switch connector. (See AUDIO CONTROL SWITCH REMOVAL/INSTALLATION .)
Measure resistance between the terminals F and C.

Fig 1: Identifying Audio Control Switch Connector Terminals

G05985324

Courtesy of MAZDA MOTORS CORP.

RESISTANCE REFERENCE

Test condition	Resistance (ohm)	Action
Steering shift switch off	1,764-1,836	Replace the audio control switch. (See AUDIO CONTROL SWITCH REMOVAL/INSTALLATION .)
LH up-switch on	352.8-367.2	If not within the specification, replace the audio control switch. (See AUDIO CONTROL SWITCH REMOVAL/INSTALLATION .) If there is no continuity, replace the up switch. (See AUDIO CONTROL SWITCH REMOVAL/INSTALLATION .)
RH up-switch on	352.8-367.2
LH down-switch on	607.6-632.4	Replace the audio control switch. (See AUDIO CONTROL SWITCH REMOVAL/INSTALLATION .)
RH down-switch on	607.6-632.4