Pinpoint Test F : The Active Park Assist System Does Not Operate When The Active Park Assist Switch Is Pressed

F1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Apply the brakes.

Select DRIVE.

While pressing the active park assist switch, monitor the IPC message center.

Does the message center display "Active park searching"?

Yes	The system is operating correctly at this time. PRESS and RELEASE the active park assist switch several times to verify there is no intermittent condition with the switch. If an intermittent condition occurs, GO to F2

GO to F2

F2 CHECK THE CONTINUOUS AND ON-DEMAND PARKING AID MODULE (PAM) DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, perform the Parking Aid Module (PAM) self-test.
Are any Diagnostic Trouble Codes (DTCs) present?

Yes REFER to the Parking Aid Module (PAM) DTC chart.REFER to: Parking Aid

No GO to F3

F3 CHECK THE ACTIVE PARK ASSIST SWITCH GROUND CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect Active Park Assist Switch.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C2035-12	Courtesy of FORD MOTOR COMPANY	Ground

Is the resistance less than 3 ohms?

Yes

GO to F4

No	REPAIR the circuit.

F4 CHECK THE ACTIVE PARK ASSIST SWITCH SIGNAL CIRCUIT FOR AN OPEN

Disconnect Parking Aid Module (PAM) C4014A.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C2035-2	Courtesy of FORD MOTOR COMPANY	C4014A-16

Is the resistance less than 3 ohms?

Yes

GO to F5

No	REPAIR the circuit.

F5 CHECK THE PARKING AID MODULE (PAM) DIAGNOSTIC TROUBLE CODES (DTCS) WITH THE ACTIVE PARK ASSIST SWITCH SIGNAL AND GROUND CIRCUITS JUMPERED

Connect Parking Aid Module (PAM) C4014A.

Connect:

Lead 1	Measurement / Action	Lead 2
C2035-2	Courtesy of FORD MOTOR COMPANY	C2035-12

Ignition ON.

Wait 10 seconds.

Using a diagnostic scan tool, perform the Parking Aid Module (PAM) self-test.

Is DTC B129E:73 present?

Yes	REMOVE the fused jumper wire. INSTALL a new active park assist switch.REFER to: Active Park Assist Switch .

No	REMOVE the fused jumper wire. GO to F6

F6 CHECK FOR CORRECT PARKING AID MODULE (PAM) OPERATION

Ignition OFF.

Disconnect and inspect all Parking Aid Module (PAM) connectors.

Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the Parking Aid Module (PAM) connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new Parking Aid Module (PAM).REFER to: Parking Assist Control Module (PAM) .

No	The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.