Pinpoint Test B : B1B58:11

WARNING: This page is about a different car, the 2015 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

B1 CHECK THE BUMPER WIRING HARNESS
- Inspect the bumper wiring harness for opens, shorts, grounds, or corrosion.
Is the bumper wiring harness OK?

Yes GO to B2

No REPAIR or INSTALL a new bumper wiring harness.

B2 CHECK THE LH (LEFT-HAND) OUTER PARKING AID SENSOR FOR AN INTERNAL SHORT
- Ignition OFF.
- Disconnect: LH outer parking aid sensor C4009 .
- Ignition ON.
- Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the PAM self-test.
Is DTC B1B58:11 still present?

Yes GO to B4

No INSTALL a new LH outer parking aid sensor. REFER to: Rear Parking Aid Sensor .

B3 CHECK THE LH (LEFT-HAND) INNER PARKING AID SENSOR FOR AN INTERNAL SHORT
- Ignition off.
- Disconnect LH inner parking aid sensor connector C4228 .
- Ignition ON.
- Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the PAM self-test.
Is DTC B1B58:11 still present?

Yes GO to B4

No INSTALL a new LH inner parking aid sensor. REFER to: Rear Parking Aid Sensor .

B4 CHECK THE RH (RIGHT-HAND) OUTER PARKING AID SENSOR FOR AN INTERNAL SHORT
- Ignition OFF.
- Disconnect: RH outer parking aid sensor connector C4011 .
- Ignition ON.
- Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the PAM self-test.
Is DTC B1B58:11 still present?

Yes GO to B5

No INSTALL a new RH outer parking aid sensor. REFER to: Rear Parking Aid Sensor .

B5 CHECK THE RH (RIGHT-HAND) INNER PARKING AID SENSOR FOR AN INTERNAL SHORT
- Ignition OFF.
- Disconnect: RH inner parking aid sensor C4012 .
- Ignition ON.
- Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat PAM the self-test.
Is DTC B1B58:11 still present?

Yes GO to B6

No INSTALL a new RH inner parking aid sensor. REFER to: Rear Parking Aid Sensor .

B6 CHECK THE PARKING AID SENSOR VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Disconnect: PAM C4014C .

Measure:

Positive Lead	Measurement / Action	Negative Lead
C4014C-11	Courtesy of FORD MOTOR COMPANY	Ground

Is the resistance greater than 10, 000 ohms?

Yes

GO to B7

No	REPAIR the shorted circuit.

B7 CHECK THE PARKING AID SENSOR VOLTAGE SUPPLY CIRCUIT AND GROUND CIRCUIT FOR A SHORT TOGETHER

Measure:

Positive Lead	Measurement / Action	Negative Lead
C4014C-11	Courtesy of FORD MOTOR COMPANY	C4014C-8

Is the resistance greater than 10, 000 ohms?

Yes

GO to B8

No	REPAIR the shorted circuit.

B8 CHECK FOR CORRECT PAM (PARKING ASSIST CONTROL MODULE) OPERATION

Ignition OFF.

Disconnect and inspect all PAM and related in-line 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 PAM and related in-line 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 the TSB instructions. If no TSB addresses this concern, INSTALL a new PAM. REFER to: Parking Assist Control Module (PAM) - 5-Door .

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.