FixVault

Symptom Chart: Starting System

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to DIAGNOSTIC METHODS for information regarding Ford-specific diagnostic practices.

SYMPTOM CHART

Condition Possible Sources Actions
  • The engine does not crank (without Intelligent Access (IA))
  • Battery
  • Battery cables
  • Fuse
  • Wiring, terminals or connectors
  • Ignition switch
  • Starter motor
  • Starter relay
  • Powertrain Control Module (PCM)
  • Transmission Range (TR) sensor
  • Passive Anti-Theft System (PATS)
  • Body Control Module (BCM)
  • The engine does not crank (with Intelligent Access (IA)
  • Battery
  • Battery cables
  • Fuse
  • Wiring, terminals or connectors
  • Start/stop switch
  • Brake switch
  • Starter motor
  • Starter relay
  • Powertrain Control Module (PCM)
  • Transmission Range (TR) sensor
  • Passive Anti-Theft System (PATS)
  • Body Control Module (BCM)
  • Remote Function Actuator (RFA) module
  • The engine cranks slowly
  • Battery
  • Battery cables
  • Wiring, terminals or connectors
  • Starter motor
  • Unusual starter noise
  • Starter motor mounting
  • Starter motor engagement
  • Starter motor
  • Flexplate ring gear
  • The starter spins but the engine does not crank
  • Starter motor
  • INSPECT the starter motor mounting and engagement. REPAIR as necessary.
 
  • Damaged flexplate
  • INSPECT the flexplate for damaged, missing or worn teeth. REPAIR as necessary.
  • The starter does not disengage from the flexplate
  • Starter relay
  • Wiring, terminals or connectors
  • REMOVE the starter relay. If the engine stops cranking, INSTALL a new relay. If the engine continues to crank, REPAIR circuit CDC25 (BN/GN) for a short to voltage.
  • The remote start system operates with reduced range (without Intelligent Access (IA))
  • Integrated Keyhead Transmitter (IKT)
  • Integrated Keyhead Transmitter (IKT) battery
  • Aftermarket systems
  • High power devices
  • TV/radio transmission towers
  • Tire Pressure Monitor Module (TPM)
  • The remote start system operates with reduced range (with Intelligent Access (IA))
  • Intelligent Access (IA) key
  • Intelligent Access (IA) battery
  • Aftermarket systems
  • High power devices
  • TV/radio transmission towers
  • Tire Pressure Monitor (TPM) module
  • The remote start is inoperative
  • Wiring, terminals or connectors
  • Hood switch
  • Remote start feature not enabled
  • Powertrain Control Module (PCM)
  • Integrated Keyhead Transmitter (IKT) (without Intelligent Access (IA))
  • Intelligent Access (IA) key (with Intelligent Access (IA))