Pinpoint Test K: Poor Image Quality - Vehicles With 180 Degree Camera

WARNING: This page is about a different car, the 2022 Ford Bronco Sport. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Before disconnecting any of the cameras, verify the connectors are properly seated and latched.

Refer to PARKING AID for schematic and connector information.

Normal Operation and Fault Conditions

The video signals are transmitted from each camera to the IPMB on shielded, twisted pair circuits. The IPMB processes the image data and sends a single video image to the APIM on shielded, twisted pair circuits. REFER to: Parking Aid - System Operation and Component Description .

Possible Sources
- Dirty or scratched camera lens
- Fuse
- Wiring, terminals or connectors
- Camera
- IPMB
- APIM concern
Visual Inspection and Pre-checks
- Inspect the camera lenses for damage, dirt, debris and scratches.

K1 INSPECT THE CAMERA IMAGES
- Ignition ON.
- Press the camera selection switch.
Does the poor image quality affect more than one camera image?

Yes GO to K8

No GO to K2

K2 CHECK FOR VOLTAGE AT THE AFFECTED CAMERA

Ignition OFF.

Disconnect Suspect parking aid camera.

Ignition ON.

Measure:

Front Parking Aid Camera

Positive Lead	Measurement / Action	Negative Lead
C1663-1	Courtesy of FORD MOTOR COMPANY	Ground

Rear Camera

Positive Lead	Measurement / Action	Negative Lead
C4357-1	Courtesy of FORD MOTOR COMPANY	Ground

Is the voltage greater than 11 volts?

Yes

GO to K3

No	INSPECT BJB fuse 25 (10A). If the fuse is OK, repair the circuit for an open. If the fuse is not OK, REFER to the OEM ELECTRICAL WIRING DIAGRAM INTRODUCTION to identify the possible causes of the short circuit.

K3 CHECK FOR GROUND AT THE AFFECTED CAMERA

Ignition OFF.

Measure:

Front Parking Aid Camera

Positive Lead	Measurement / Action	Negative Lead
C1663-5	Courtesy of FORD MOTOR COMPANY	Ground

Rear Parking Aid Camera

Positive Lead	Measurement / Action	Negative Lead
C4357-5	Courtesy of FORD MOTOR COMPANY	Ground

Is the resistance less than 3 ohms?

Yes

GO to K5

GO to K4

K4 CHECK THE SUSPECT GROUND CIRCUIT FOR AN OPEN BETWEEN THE CAMERA AND IPMB (IMAGE PROCESSING MODULE B)

Disconnect IPMB C3676A .

Measure:

Front Parking Aid Camera

Positive Lead	Measurement / Action	Negative Lead
C1663-5	Courtesy of FORD MOTOR COMPANY	C3676A-10

Rear Parking Aid Camera

Positive Lead	Measurement / Action	Negative Lead
C4357-5	Courtesy of FORD MOTOR COMPANY	C3676A-4

Is the resistance less than 3 ohms?

Yes

GO to K14

No	REPAIR the circuit.

K5 CHECK THE VIDEO SIGNAL CIRCUITS FOR A SHORT TO VOLTAGE AT THE SUSPECT CAMERA

Disconnect IPMB C3676A .

Ignition ON.

Measure:

Front Parking Aid Camera

Positive Lead	Measurement / Action	Negative Lead
C1663-3	Courtesy of FORD MOTOR COMPANY	Ground
C1663-4	Courtesy of FORD MOTOR COMPANY	Ground

Rear Parking Aid Camera

Positive Lead	Measurement / Action	Negative Lead
C4357-3	Courtesy of FORD MOTOR COMPANY	Ground
C4357-4	Courtesy of FORD MOTOR COMPANY	Ground

Is any voltage present?

Yes	REPAIR the circuit in question.

GO to K6

K6 CHECK THE VIDEO SIGNAL CIRCUITS FOR A SHORT TO GROUND AT THE SUSPECT CAMERA

Ignition OFF.

Measure:

Front Parking Aid Camera

Positive Lead	Measurement / Action	Negative Lead
C1663-3	Courtesy of FORD MOTOR COMPANY	Ground
C1663-4	Courtesy of FORD MOTOR COMPANY	Ground

Rear Parking Aid Camera

Positive Lead	Measurement / Action	Negative Lead
C4357-3	Courtesy of FORD MOTOR COMPANY	Ground
C4357-4	Courtesy of FORD MOTOR COMPANY	Ground

Are the resistances greater than 10, 000 ohms?

Yes

GO to K7

No	REPAIR the circuit in question.

K7 CHECK VIDEO SIGNAL CIRCUITS FOR AN OPEN BETWEEN THE IPMB (IMAGE PROCESSING MODULE B) AND SUSPECT CAMERA

Measure:

Front Parking Aid Camera

Positive Lead	Measurement / Action	Negative Lead
C1663-3	Courtesy of FORD MOTOR COMPANY	C3676A-5
C1663-4	Courtesy of FORD MOTOR COMPANY	C3676A-6

Rear Parking Aid Camera

Positive Lead	Measurement / Action	Negative Lead
C4357-3	Courtesy of FORD MOTOR COMPANY	C3676A-3
C4357-4	Courtesy of FORD MOTOR COMPANY	C3676A-2

Are the resistances less than 3 ohms?

Yes

GO to K13

No	REPAIR the circuit in question.

K8 CHECK FOR VOLTAGE AT THE IPMB (IMAGE PROCESSING MODULE B)

Ignition OFF.

Disconnect IPMB C3676A .

Ignition ON.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C3676A-1	Courtesy of FORD MOTOR COMPANY	Ground

Is the voltage greater than 11 volts?

Yes

GO to K9

No	INSPECT BJB fuse 25 (10A). If the fuse is OK, repair the circuit for an open. If the fuse is not OK, REFER to the OEM ELECTRICAL WIRING DIAGRAM INTRODUCTION to identify the possible causes of the short circuit.

K9 CHECK FOR GROUND AT THE IPMB (IMAGE PROCESSING MODULE B)

Ignition OFF.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C3676A-11	Courtesy of FORD MOTOR COMPANY	Ground

Is the resistance less than 3 ohms?

Yes

GO to K10

No	REPAIR the circuit.

K10 CHECK THE VIDEO SIGNAL AND SHIELD CIRCUITS BETWEEN THE IPMB (IMAGE PROCESSING MODULE B) AND APIM (SYNC MODULE) FOR A SHORT TO VOLTAGE

Disconnect APIM C2383A .

Ignition ON.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C3676A-7	Courtesy of FORD MOTOR COMPANY	Ground
C3676A-8	Courtesy of FORD MOTOR COMPANY	Ground
C3676A-9	Courtesy of FORD MOTOR COMPANY	Ground

Is any voltage present?

Yes

GO to K11

No	REPAIR the circuit in question.

K11 CHECK THE VIDEO SIGNAL CIRCUITS BETWEEN THE IPMB (IMAGE PROCESSING MODULE B) AND APIM (SYNC MODULE) FOR AN OPEN

Ignition OFF.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C3676A-7	Courtesy of FORD MOTOR COMPANY	C2383A-14
C3676A-8	Courtesy of FORD MOTOR COMPANY	C2383A-15

Are the resistances less than 3 ohms?

Yes

GO to K12

No	REPAIR the circuit in question.

K12 CHECK THE VIDEO SIGNAL CIRCUITS BETWEEN THE IPMB (IMAGE PROCESSING MODULE B) AND APIM (SYNC MODULE) FOR A SHORT TO GROUND

Measure:

Positive Lead	Measurement / Action	Negative Lead
C3676A-7	Courtesy of FORD MOTOR COMPANY	Ground
C3676A-8	Courtesy of FORD MOTOR COMPANY	Ground

Are the resistances greater than 10, 000 ohms?

Yes

GO to K14

No	REPAIR the circuit in question.

K13 CHECK FOR CORRECT PARKING AID CAMERA OPERATION

Ignition OFF.

Disconnect and inspect the suspect parking aid camera connector.

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 suspect parking aid camera connector. Make sure it seats and latches correctly.

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

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new parking aid camera. REFER to: Rear Parking Aid Camera . INSTALL a new front parking aid camera. REFER to: Front Parking Aid Camera .

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

K14 CHECK FOR CORRECT IPMB (IMAGE PROCESSING MODULE B) OPERATION

Ignition OFF.

Disconnect and inspect the IPMB 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 IPMB 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 service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new IPMB. REFER to: Image Processing Module B (IPMB) . If the concern is still present after IPMB replacement; GO to K15

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

K15 CHECK FOR CORRECT APIM (SYNC MODULE) OPERATION

Ignition OFF.

Disconnect and inspect the APIM 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 APIM 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 service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new APIM. Refer to the appropriate Removal and Installation procedure in the appropriate Information And Entertainment System - General Information article .

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