PINPOINT TEST G: THE REAR VIDEO IS INOPERATIVE - VEHCILES WITH A 8 in (203.2 mm) TOUCHSCREEN

WARNING: This page is about a different car, the 2014 Lincoln MKX and 2014 Ford Edge. 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.

NOTE: Failure to disconnect the battery when instructed results in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

G1 CHECK THE DTCs FROM THE BCM AND APIM SELF-TEST
- Check the BCM and APIM DTCs from the self-test.
Are any BCM or APIM DTCs retrieved?
- Yes : For BCM DTC B115E:08, GO to G15.
  For APIM DTC C1001:01, GO to G6.
  
  For all other DTCs, REFER to DTC CHARTS .
- No : For an inoperative video camera feature concern, GO to G2. Otherwise, GO to G3.
G2 VERIFY AND ENABLE THE INOPERATIVE VIDEO CAMERA FEATURE
- Verify and enable the inoperative video camera feature within the FDIM .
Does the video camera feature operate correctly?
- Yes : The video camera system is operating correctly at this time. The video camera feature concern was caused by the feature being disabled. INSTRUCT the customer on how to enable the video camera features. REFER to the Owner's Literature.
- No : GO to G3.
G3 CHECK AND CLEAN THE REAR VIDEO CAMERA LENS
- Clean and make sure the rear video camera lens is clear of any debris.
- Test the video camera system and verify the video camera image.
Is the video camera concern still present?
- Yes : GO to G4.
- No : The system is operating correctly at this time. The concern was caused by a dirty video camera lens.
G4 CHECK THE REVERSING LAMPS OPERATION
- Check the operation of the reversing lamps.
Do the reversing lamps operate correctly?
- Yes : GO to G5.
- No : REFER to EXTERIOR LIGHTING .
G5 CHECK THE FDIM DISPLAY
- Observe the FDIM while placing the vehicle in reverse.
While selecting reverse and waiting up to 30 seconds, does the FDIM screen switch to video camera mode and display "Please Contact Your Dealership"?
- Yes : The FDIM display is functional. There is no signal from the video camera. GO to G6.
- No : RETRIEVE and FOLLOW APIM DTCs. REFER to INFORMATION AND ENTERTAINMENT SYSTEMS .
G6 CHECK THE VIDEO SIGNAL CIRCUITS INTEGRITY
- Ignition OFF.
- Disconnect: APIM C2383 .
- Measure the resistance between the APIM C2383-14 , circuit VMP19 (WH/GN), harness side and the APIM C2383-15 , circuit RMP19 (BN/VT), harness side.
  
  Fig 1: Measuring Resistance Between APIM C2383-14 And 15, Circuit VMP19 (WH/GN) And Circuit RMP19 (BN/VT)
  Courtesy of FORD MOTOR CO.
Is the resistance between 74 and 106 ohms?
- Yes : GO to G7.
- No : GO to G11.
G7 CHECK THE VIDEO CAMERA VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
- Disconnect: Video Camera C4357 .
- Ignition ON.
- Measure the voltage between the video camera C4357-1 , circuit CBP34 (VT/BN), harness side and ground.
  
  Fig 2: Measuring Voltage Between Video Camera C4357-1, Circuit CBP34 (VT/BN) And Ground
  Courtesy of FORD MOTOR CO.
Is the voltage greater than 10 volts?
- Yes : GO to G8.
- No : VERIFY the BCM fuse 34 (10A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the SYSTEM WIRING DIAGRAMS to identify the possible causes of the circuit short. TEST the system for normal operation.
G8 CHECK THE VIDEO CAMERA GROUND CIRCUIT FOR AN OPEN
- Measure the voltage between the video camera C4357-1 , circuit CBP34 (VT/BN), harness side and the video camera C4357-5 , circuit GD143 (BK/VT), harness side and ground.
  
  Fig 3: Measuring Voltage Between Video Camera C4357-1 And 5, Circuit CBP34 (VT/BN), Circuit GD143 (BK/VT) And Ground
  Courtesy of FORD MOTOR CO.
Is the voltage greater than 10 volts?
- Yes : GO to G9.
- No : REPAIR circuit GD143 (BK/VT) for an open. TEST the system for normal operation.
G9 CHECK THE VIDEO SIGNAL CIRCUITS FOR A SHORT TO GROUND
- Disconnect: Video Camera C4357 .
- Measure the resistance between the video camera C4357-4 , circuit VMP19 (WH/GN), harness side and ground; and between the video camera C4357-3 , circuit RMP19 (BN/VT), harness side and ground.
  
  Fig 4: Measuring Resistance Between Video Camera C4357-4, Circuit VMP19 (WH/GN) And Ground
  Courtesy of FORD MOTOR CO.
Are the resistances greater than 10, 000 ohms?
- Yes : GO to G10.
- No : REPAIR the circuit in question. TEST the system for normal operation.
G10 CHECK THE VIDEO SIGNAL CIRCUITS FOR A SHORT TO VIDEO SHIELD
- Measure the resistance between the video camera C4357-4 , circuit VMP19 (WH/GN), harness side and the video camera C4357-6 , circuit DMN19 (shield), harness side.
  
  Fig 5: Measuring Resistance Between Video Camera C4357-4 And 6, Circuit VMP19 (WH/GN) And Circuit DMN19 (Shield)
  Courtesy of FORD MOTOR CO.
  - Measure the resistance between the video camera C4357-3 , circuit RMP19 (BN/VT), harness side and the video camera C4357-6 , circuit DMN19 (shield), harness side.
    
    Fig 6: Measuring Resistance Between Video Camera C4357-3 And 6, Circuit VMP19 (WH/GN) And Circuit DMN19 (Shield)
    Courtesy of FORD MOTOR CO.
  Are the resistances greater than 10, 000 ohms?
  - Yes : GO to G11.
  - No : REPAIR the circuit in question. TEST the system for normal operation.
G11 CHECK THE VIDEO SIGNAL CIRCUITS FOR A SHORT TO VOLTAGE
- Disconnect: Video Camera C4357 , if not previously disconnected.
- Ignition ON.
- Measure the voltage between the video camera C4357-4 , circuit VMP19 (WH/GN), harness side and ground; and between the video camera C4357-3 , circuit RMP19 (BN/VT), harness side and ground.
  
  Fig 7: Measuring Voltage Between Video Camera C4357-3 And 4, Circuit VMP19 (WH/GN) And Ground
  Courtesy of FORD MOTOR CO.
Is any voltage present?
- Yes : REPAIR the circuit in question. TEST the system for normal operation.
- No : GO to G12.
G12 CHECK VIDEO SIGNAL CIRCUITS FOR A SHORT TOGETHER
- Ignition OFF.
- Measure the resistance between the APIM C2383-14 , circuit VMP19 (WH/GN), harness side and the APIM C2383-15 , circuit RMP19 (BN/VT), harness side.
  
  Fig 8: Measuring Resistance Between APIM C2383-14 And 15, Circuit VMP19 (WH/GN) And Circuit RMP19 (BN/VT)
  Courtesy of FORD MOTOR CO.
Is the resistance greater than 10, 000 ohms?
- Yes : GO to G13.
- No : REPAIR the circuits.
G13 CHECK VIDEO SIGNAL CIRCUITS FOR AN OPEN
- Ignition OFF.
- Connect a fused jumper wire between the video camera C4357-4 , circuit VMP19 (WH/GN), harness side and the video camera C4357-3 , circuit RMP19 (BN/VT), harness side.
  
  Fig 9: Connecting Fused Jumper Wire Between Video Camera C4357-3 And 4, Circuit VMP19 (WH/GN) And Circuit RMP19 (BN/VT)
  Courtesy of FORD MOTOR CO.
- Measure the resistance between the APIM C2383-14 , circuit VMP19 (WH/GN), harness side and the APIM C2383-15 , circuit RMP19 (BN/VT), harness side.
  
  Fig 10: Measuring Resistance Between APIM C2383-14 And 15, Circuit VMP19 (WH/GN) And Circuit RMP19 (BN/VT)
  Courtesy of FORD MOTOR CO.
Is the resistance less than 5 ohms?
- Yes : REMOVE the jumper wire. GO to G17.
- No : REMOVE the jumper wire. GO to G14.
G14 CHECK VIDEO (+) SIGNAL CIRCUIT FOR AN OPEN
- Measure the resistance between the video camera C4357-4 , circuit VMP19 (WH/GN), harness side and APIM C2383-14 , circuit VMP19 (WH/GN), harness side.
  
  Fig 11: Measuring Resistance Between Video Camera C4357-4, Circuit VMP19 (WH/GN) And APIM C2383-14
  Courtesy of FORD MOTOR CO.
Is the resistance less than 5 ohms?
- Yes : REPAIR circuit RMP19 (BN/VT). TEST the system for normal operation.
- No : REPAIR circuit VMP19 (WH/GN). TEST the system for normal operation.
G15 CHECK THE LIN CIRCUIT FOR A SHORT TO VOLTAGE
- Ignition OFF.
- Disconnect: Video Camera C4357 .
- Disconnect: BCM C2280C .
- Ignition ON.
- Measure the voltage between the video camera C4357-2 , circuit VDN03 (GY/VT), harness side and ground.
  
  Fig 12: Measuring Voltage Between Video Camera C4357-2, Circuit VDN03 (GY/VT) And Ground
  Courtesy of FORD MOTOR CO.
Is any voltage present?
- Yes : REPAIR the circuit. TEST the system for normal operation.
- No : GO to G16.
G16 CHECK THE LIN CIRCUIT FOR AN OPEN OR SHORT TO GROUND
- Ignition OFF.
- Measure the resistance between the video camera C4357-2 , circuit VDN03 (GY/VT), harness side and the BCM C2280C-12 , circuit VDN03 (GY/VT), harness side; and between the video camera C4357-2 , circuit VDN03 (GY/VT), harness side and ground.
  
  Fig 13: Measuring Resistance Between Video Camera C4357-2, Circuit VDN03 (GY/VT), BCM C2280C-12 And Circuit VDN03 (GY/VT)
  Courtesy of FORD MOTOR CO.
Is resistance less than 5 ohms between the video camera and BCM , and greater than 10, 000 ohms between the video camera and ground?
- Yes : GO to G17.
- No : REPAIR the circuit. TEST the system for normal operation.
G17 CHECK FOR CORRECT VIDEO CAMERA OPERATION
- Connect: All Disconnected Connectors.
- Disconnect the video camera connector.
- Check for:
  - corrosion
  - damaged pins
  - pushed-out pins
- Connect the video camera connector and make sure it seats correctly.
- Operate the system and verify the concern is still present.
Is the concern still present?
- Yes : INSTALL a new video camera. REFER to VIDEO CAMERA . TEST the system for normal operation.
- No : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.