Test Procedure

WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2006 Mercury Mountaineer, 2006 Mercury Monterey, 2006 Mercury Montego, 2006 Mercury Milan, and 2006 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.

TA1 DTC P0704, P0830: CHECK THE CPP SWITCH

CAUTION: Apply the vehicle park brake. Make sure the vehicle is secured with wheel chocks.

NOTE: During self-test, the clutch pedal must be down and gearshift lever in NEUTRAL. For code P0704 use CPP/code P0830 use CPP BT.

Key ON, engine OFF.
Select the CPP, CPP BT PID and monitor for an ON/OFF PID state while pressing and releasing the clutch pedal several times.

Does the reading cycle when the CPP switch is activated?

Yes	No
This may be an intermittent circuit concern. INSPECT connectors for signs of damage, water intrusion, corrosion. REPAIR as necessary.	GO to TA2.

TA2 CHECK THE SWITCH CIRCUIT RESISTANCE

NOTE: The CPP switch is located near the clutch pedal.

Inspect the switches and brackets for damage. Repair as necessary.
CPP Switch connector disconnected.

Measure the resistance between:

( + ) CPP Switch Connector, Component Side	( - ) CPP Switch Connector, Component Side
CPP / CPP-BT	SIGRTN

Measure the CPP switch resistance with the clutch pedal pressed down.

Is the resistance less than 5 ohms?

Yes	No
GO to TA3.	INSTALL a new CPP switch. CLEAR the DTCs. REPEAT the self-test.

TA3 CHECK THE CPP FOR INTERNAL SHORTS

Measure the resistance between:

( + ) CPP Switch Connector, Component Side	( - ) CPP Switch Connector, Component Side
CPP / CPP-BT	SIGRTN

Measure the CPP switch resistance with the clutch pedal released.

Is the resistance greater than 10K ohms?

Yes	No
GO to TA4.	INSTALL a new CPP switch. CLEAR the DTCs. REPEAT the self-test.

TA4 CHECK THE CPP / CPP BT AND SIGRTN CIRCUIT(S) FOR AN OPEN IN THE HARNESS

PCM connector disconnected.

Measure the resistance between:

( + ) PCM Connector, Harness Side	( - ) CPP Switch Connector, Harness Side
CPP / CPP-BT	CPP / CPP-BT
SIGRTN	SIGRTN

Are the resistances less than 5 ohms?

Yes	No
GO to TA5.	REPAIR the open circuit. CLEAR the DTCs. REPEAT the self-test.

TA5 CHECK THE CPP / CPP BT CIRCUIT FOR A SHORT TO VOLTAGE

Key ON, engine OFF.

Measure the voltage between:

( + ) CPP Switch Connector, Harness Side	( - )
CPP / CPP-BT	Ground

Is the voltage less than 1 V?

Yes	No
GO to TA6.	REPAIR the short circuit to PWR. CLEAR the DTCs. REPEAT the self-test.

TA6 CHECK THE CPP / CPP BT CIRCUIT FOR A SHORT TO GROUND IN THE HARNESS

Key in OFF position.

Measure the resistance between:

( + ) PCM Connector, Harness Side	( - )
CPP / CPP-BT	Ground

Is the resistance greater than 10K ohms?

Yes	No
GO to TA7.	REPAIR the short circuit. CLEAR the DTCs. REPEAT the self-test.

TA7 CHECK FOR CORRECT PCM OPERATION

Disconnect all the PCM connectors.
Visually inspect for:
- pushed out pins.
- corrosion.
Connect all the PCM connectors and make sure they seat correctly.
Carry out the PCM self-test and verify the concern is still present.

Is the concern still present?

Yes	No
INSTALL a new PCM. REFER to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) .	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.