Join Date: May 2011
Location: New Hampshire, USA
Drives: (2) 2000 Kia Sportages 4x4 manual, 2008 Ford Taurus SE AWD, 2000 Toyota Camry LE
Mentioned: 6 Post(s)
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Agree with Gidner: you should see (B+) voltage, so if the alternator is engaged, you would see 14.3 volt output at the Ignition coil (B+) hot lead, and at MAF connector pin (2) B+ lead..
At the MAF connector, you should measure (4.8 - 5.2) volt at MAF connector pin (4) against ground: that's the (+5 volt) reference voltage supplied from the ECM,
Above is from the kiatechinfo website (see my sig.), you can sign up using Internet Explorer web browser (see reqs. main page), where you can access the Service Info for your vehicle / the MAF diagnostic procedure online:
SEDONA(GQ) >2003 > G 3.5 DOHC > Engine Control/Fuel System > (Repair procedures)
Laptop/USB OBD-II Scanner at Amazon: search "ScanTool 423001 ElmScan 5" at amazon.com
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