Test Procedure

WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2004 Mercury Sable, 2004 Mercury Mountaineer, 2004 Mercury Monterey, 2004 Mercury Marauder, and 2004 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.

QC1 CONTINUOUS MEMORY DTC P1000: CHECK FOR ANY OTHER DTCS

NOTE: Only perform this pinpoint test if Diagnostic Trouble Code DTC P1000 was received from continuous memory. Ignore any DTC P1000s in KOEO or KOER.

DTC P1000 indicates all of the OBD monitors have not yet been successfully tested.

Were any other DTCs received with P1000?

Yes	No
Disregard the current Diagnostic Trouble Code (DTC) at this time. Address the next DTC. Go to POWERTRAIN DTC CHARTS & DESCRIPTIONS - CNG, FLEX-FUEL & GASOLINE for DTC charts.	GO to QC2.

QC2 CHECK FOR PTO

Is the vehicle equipped with PTO?

Yes	No
GO to QC3.	GO to QC4.

QC3 CHECK THE PTO PID

Key ON Engine RUN.
Access the PCM -PTO PID.
Cycle the PTO switch/actuator ON and OFF. (Follow the PTO aftermarket instructions).

Did the PTO PID cycle ON, delay, then OFF?

Yes	No
GO to QC4.	GO to PINPOINT TEST FB step 1 .

QC4 REQUEST TO CLEAR DTC P1000

NOTE: A complete OBD drive cycle has not yet been performed to clear DTC P1000 from the PCM.

Has the customer requested DTC P1000 be cleared from the PCM memory?

Yes	No
CARRY OUT an OBD drive cycle	KEY OFF INFORM the customer that if the law in your area requires additional driving in order to clear DTC
REFER to DRIVE CYCLES .	P1000 from the PCM memory, it must be completed before an inspection/maintenance test.