Pinpoint Test E: No Power In Run/No Power In Start - Vehicles With A Push Button Start System

• Disconnect: BCM C2280G  .
• Measure the voltage between BCM C2280G-1  , circuit SDC02 (RD), harness side and ground.
  Fig 1: Measuring Voltage Between BCM C2280G-1, Circuit SDC02 (RD) And Ground

  Courtesy of FORD MOTOR CO.

Is the voltage greater than 10 volts? 

• Yes  : GO to E2  .
• No  : VERIFY the 120A Mega fuse is OK. If OK, REPAIR circuit SDC02 (RD). If not OK, REFER to the SYSTEM WIRING DIAGRAMS to identify the possible cause of the circuit short. TEST the system for normal operation.

• Connect: BCM C2280G  .
• NOTE: Verify that the Intelligent Access (IA) key is not inside the vehicle before proceeding with this step.

  With the driver door locked and the IA  key within 1 m (3 ft) of the driver door, grab the driver door handle. The driver door handle is equipped with capacitive touch sensors to lock and unlock the door.

Did the driver door unlock? 

• Yes  : GO to  E4.
• No  : GO to E3  .

• Carry out the Battery Condition Test. Refer to BATTERY, MOUNTING AND CABLES .

Is the battery OK? 

• Yes  : REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS to diagnose the IA  concern.
• No  : CORRECT the battery condition. CARRY OUT a BCM  self-test (required to clear certain DTCs). CORRECT any unresolved DTCs. CLEAR all DTCs. TEST the system for normal operation.

• With the vehicle in PARK and the IA  key in the vehicle, press and hold the brake pedal, then press the start/stop switch while monitoring message center messages.

Did the engine crank? 

• Yes  : CARRY OUT PCM Key ON Engine OFF (KOEO) self-test. REFER to the ENGINE CONTROLS - INTRODUCTION (EXCEPT DIESEL & HYBRID) (SECTION 0) to diagnose the no start concern.
• No  : If NO KEY DETECTED is displayed in the message center, REFER to ANTI THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) to diagnose the RFA  module and interior antenna concern.

  If STARTER SYSTEM FAULT is displayed in the message center, REFER to ANTI THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) to diagnose the PATS  concern.

  If PRESS BRAKE TO START is displayed in the message center, GO to  E12.

  If no message is displayed in the message center, GO to E5  .

• Enter the following diagnostic mode on the scan tool: Self Test - RFA  Module. RFA  module communication is indicated by the completion of the self-test.

Did the RFA module communicate with the scan tool? 

• Yes  : GO to E6  .
• No  : REFER to MODULE COMMUNICATIONS NETWORK to diagnose no communication with the RFA  module.

• Refer to the results of the RFA  module self-test.

Are any start/stop switch DTCs and/or BCM communication DTCs present in the RFA module? 

• Yes  : REFER to the REMOTE FUNCTION ACTUATOR (RFA) MODULE DTC CHART .
• No  : GO to E7  .

• NOTE: The air bag warning indicator in the Instrument Panel Cluster (IPC) illuminates and proves out only if the ignition successfully enters RUN mode.

  With the IA  key still in the vehicle, monitor the air bag warning indicator in the IPC  while pressing the start/stop switch twice.

Did the air bag warning indicator illuminate for approximately 6 seconds and then go out? 

• Yes  : REFER to STARTING SYSTEM to diagnose engine does not crank.
• No  : If other indicators in the IPC  are illuminated, GO to E8  .

  If there is no response from the IPC  when pressing the start/stop switch, GO to PINPOINT TEST J .

• Disconnect: Run/Start Relay.
• Carry out the appropriate relay component test.

  Refer to OEM WIRING DIAGRAMS COMPONENT TESTING .

Is the relay OK? 

• Yes  : GO to E9  .
• No  : INSTALL a new run/start relay. CARRY OUT a BCM  self-test (required to clear certain DTCs). CORRECT any unresolved DTCs. CLEAR all DTCs. TEST the system for normal operation.

• Disconnect: BCM C2280E  .
• Measure the resistance between run/start relay cavity 5, circuit CDC21 (GY/BN) and BCM C2280E-10  , circuit CDC21 (GY/BN), harness side.
  Fig 2: Measuring Resistance Between Run/Start Relay Cavity 5 And BCM C2280E-10, Circuit CDC21 (GY/BN)

  Courtesy of FORD MOTOR CO.

Is the resistance less than 5 ohms? 

• Yes  : GO to E10  .
• No  : VERIFY BJB  fuse 94 (30A) is OK. If OK, REPAIR circuit CDC21 (GY/BN). If not OK, REFER to the SYSTEM WIRING DIAGRAMS to identify the possible cause of the circuit short. CARRY OUT a BCM  self-test (required to clear certain DTCs). CORRECT any unresolved DTCs. CLEAR all DTCs. TEST the system for normal operation.

• Measure the voltage between run/start relay cavity 2, circuit SBB87 (WH/RD) and ground.
  Fig 3: Measuring Voltage Between Run/Start Relay Cavity 2, Circuit SBB87 (WH/RD) And Ground

  Courtesy of FORD MOTOR CO.

Is the voltage greater than 10 volts? 

• Yes  : GO to E11  .
• No  : VERIFY BJB  fuse 87 (5A) is OK. If OK, REPAIR circuit SBB87 (WH/RD). If not OK, REFER to the SYSTEM WIRING DIAGRAMS to identify the possible cause of the circuit short. CARRY OUT a BCM  self-test (required to clear certain DTCs). CORRECT any unresolved DTCs. CLEAR all DTCs. TEST the system for normal operation.

• Disconnect: BCM C2280F  .
• Measure the resistance between run/start relay cavity 1, circuit CDC55 (BN/VT) and BCM C2280F-18  , circuit CDC55 (BN/VT), harness side.
  Fig 4: Measuring Resistance Between Run/Start Relay Cavity 1 And BCM C2280F-18 Circuit CDC55 (BN/VT)

  Courtesy of FORD MOTOR CO.

Is the resistance less than 5 ohms? 

• Yes  : GO to  E14.
• No  : REPAIR circuit CDC55 (BN/VT). CARRY OUT a BCM  self-test (required to clear certain DTCs). CORRECT any unresolved DTCs. CLEAR all DTCs. TEST the system for normal operation.

• Disconnect: BPP  Switch C2064  .
• Measure the voltage between BPP  switch C2064-1  , circuit SBB59 (BU/RD), harness side and ground.
  Fig 5: Measuring Voltage Between BPP Switch C2064-1, Circuit SBB59 (BU/RD) And Ground

  Courtesy of FORD MOTOR CO.

Is the voltage greater than 10 volts? 

• Yes  : GO to E13  .
• No  : VERIFY BJB  fuse 59 (10A) is OK. If OK, REPAIR circuit SBB59 (BU/RD). If not OK, REFER to the SYSTEM WIRING DIAGRAMS to identify the possible cause of the circuit short. CARRY OUT a BCM  self-test (required to clear certain DTCs). CORRECT any unresolved DTCs. CLEAR all DTCs. TEST the system for normal operation.

• Disconnect: BCM C2280B  .
• Measure the resistance between BPP  switch C2064-4  , circuit CCB08 (VT/WH), harness side and BCM C2280B-28  , circuit CCB08 (VT/WH), harness side.
  Fig 6: Measuring Resistance Between BPP Switch C2064-4 And BCM C2280B-28, Circuit CCB08 (VT/WH)

  Courtesy of FORD MOTOR CO.

Is the resistance less than 5 ohms? 

• Yes  : INSTALL a new BPP  switch. CARRY OUT a BCM  self-test (required to clear certain DTCs). CORRECT any unresolved DTCs. CLEAR all DTCs. TEST the system for normal operation.
• No  : REPAIR circuit CCB08 (VT/WH). CARRY OUT an on-demand self test. CORRECT any unresolved DTCs. CLEAR all DTCs. TEST the system for normal operation.

• Disconnect: All BCM  Connectors.
• Check the connectors for:
  • corrosion
  • damaged pins
  • pushed-out pins
• Connect: All BCM  Connectors.
• Connect: BPP  Switch C2064  (if previously disconnected).
• Connect: Run/Start Relay (if previously disconnected).
• Make sure the connectors are seated correctly, then carry out a BCM  self-test.
• Operate the system and verify the concern is still present.

Is the concern still present? 

• Yes  : INSTALL a new BCM  module. REFER to MULTIFUNCTION ELECTRONIC MODULES . CLEAR the DTCs. REPEAT the self-test. 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. CARRY OUT a BCM  self-test (required to clear certain DTCs). CORRECT any unresolved DTCs. CLEAR all DTCs. TEST the system for normal operation.