Panel Light Control Switch Inspection: Notes

WARNING: This page is about a different car, the 2004 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.

Remove the panel light control switch. (See PANEL LIGHT CONTROL SWITCH REMOVAL/INSTALLATION .)
Connect the negative battery cable.
Connect the connector to the panel light control switch.
Measure the voltage at the panel light control switch as indicated below.
Disconnect the panel light control switch connector before inspecting for continuity at terminal D.
- If not as specified, inspect the parts listed under "Action."
- If the parts and wiring harnesses are okay but the system still does not work properly, replace the panel light control switch.
Fig 1: Identifying Panel Light Control Switch Connector Terminals
Courtesy of MAZDA MOTORS CORP.

Fig 2: Panel Light Control Switch Terminal Voltage Reference List
Courtesy of MAZDA MOTORS CORP.