obd scan tool won't link

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May 22, 2012 | 03:13 PM

2004F250superduty4X4

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obd scan tool won't link

ok i have 2004 super duty 5.4L 4x4. i posted a thread some months ago about my obd scanner not connecting to pickup. still having the issue. happened to have the truck at the ford house the other day and they couldnt connect to it either. cigarette lighter is working, the picture of engine light appears on the dash when you turn on the ignition. any suggestions as to what else to try?

May 22, 2012 | 08:26 PM

Speicher

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Check your terminals at the Data Link connector, make sure none of the terminals are spread causing a loose connection, seen this on several occasions.
Use your scanner terminal as a reference of the size pin you need and ck. for a slight drag at each terminal. You want to be carefull not to use something to large and cause damage to the terminal. Possible straight pin, paper clip etc. Ck your voltages at the DLC , top row 1-8, bottom row 9-16. SCP bus terminals to ground if I remember correctly between 2.5-3.5 volts with the key on.
x 12345678 x
x 90123456 x
Pin 2 TN/OG SCP Bus
Pin 4 BK Ground
Pin 5 BK/WH Ground
Pin 10 PK/BK SCP Bus
Pin 16 Voltage Supplied At All Times, Fuse 2.12 20 amp LB/WH

May 23, 2012 | 07:38 AM

krewat

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From: Long Island USA

What brand/model obd-ii scanner is it?

May 28, 2012 | 03:55 PM

2004F250superduty4X4

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Ok scan tool
Is a innova 1303 with all the newest updates, including the abs upgrade

May 28, 2012 | 04:28 PM

projectSHO89

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From: St Louis

Did you check for battery voltage on pin 16 or the connector?

Remember, it's supplied by the cigar lighter fuse and is usually mandatory for most scanners to operate.