Page 1 of 18 On Board Diagnostics PCED 7/25/2009 http://www ...

On Board Diagnostics PCED
http://www.fordtechservice.dealerconnection.com/pubs/content/~WV52/~MUS~LEN/14/...
Page 14 of 18
7/25/2009
GO to KB61 .
REPAIR the open circuit.
KB61 CHECK THE FPDM2 PWR CIRCUIT FOR AN OPEN IN THE HARNESS
Measure the resistance between:
( + ) FPDM2 Connector, Harness Side ( - ) FPDM2 PWR Relay Connector, Harness Side
FPDM2 PWR - Pin 5 FPDM2 PWR - Pin 5
Is the resistance less than 5 ohms?
Yes
INSTALL a new FPDM2 PWR relay. GO to KB66 .
No
KB62 CHECK THE FPM2 CIRCUIT FOR AN OPEN IN THE HARNESS
FPDM2 connector disconnected.
PCM connector disconnected.
Measure the resistance between:
( + ) FPDM2 Connector, Harness Side ( - ) PCM Connector, Harness Side
FPM2 - Pin 1
FPM2
Is the resistance less than 5 ohms?
GO to KB63 .
Yes
REPAIR the open circuit.
No
KB63 CHECK THE FPM2 CIRCUIT FOR A SHORT TO VOLTAGE IN THE HARNESS
Key ON, engine OFF.
Measure the voltage between:
( + ) FPDM2 Connector, Harness Side ( - )
FPM2 - Pin 1
Ground
Is the voltage less than 1 V?
Key in OFF position.
GO to KB64 .
Yes
REPAIR the short circuit.
No
KB64 CHECK THE FPM2 CIRCUIT FOR A SHORT TO GROUND IN THE HARNESS
Measure the resistance between:
( + ) FPDM2 Connector, Harness Side ( - )
FPM2 - Pin 1
Ground
Is the resistance greater than 10K ohms?
GO to KB65 .
Yes
REPAIR the short circuit.
No
KB65 CHECK FOR FPM2 OUTPUT FROM THE FPDM2
FPDM2 connector connected.
Key ON, engine OFF.
Note: It is OK for the voltage to cycle below this range and then return within range.
Measure the voltage between:
( + ) PCM Connector, Harness Side ( - )
FPM2
Ground
Is the voltage between 0.02 - 1 V?
Yes
INSTALL a new PCM. REFER to Section 2, Flash Electrically Erasable
Programmable Read Only Memory (EEPROM).
INSTALL a new FPDM2.
No