Symptom Chart: Starting System

Diagnostics in this 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 IA)	Battery Battery cables Fuse Wiring, terminals or connectors Ignition switch Starter motor Starter relay PCM TR sensor PATS BCM	REFER to Diagnostic Routine A: Engine Does Not Crank (Without Intelligent Access) .
The engine does not crank (with IA)	Battery Battery cables Fuse Wiring, terminals or connectors Start/stop switch Brake switch Starter motor Starter relay PCM TR sensor PATS BCM RFA module	REFER to Diagnostic Routine B: Engine Does Not Crank (With Intelligent Access) .
The engine cranks slowly	Battery Battery cables Wiring, terminals or connectors Starter motor	CARRY OUT the starter system component test. REFER to Starter Motor - Positive Circuit Test or REFER to Starter Motor - Ground Circuit Test .
Unusual starter noise	Starter motor mounting Starter motor engagement Starter motor Flexplate ring gear	REFER to Diagnostic Routine D: Unusual Starter Noise .
The starter spins but the engine does not crank	Starter motor	INSPECT the starter motor mounting and engagement. REPAIR as necessary.
The starter spins but the engine does not crank	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 IA)	IKT IKT battery Aftermarket systems High power devices TV/radio transmission towers TPM module	REFER to DIAGNOSTIC ROUTINE K : The Remote Keyless Entry (RKE) Transmitter Has Poor Range Performance.
The remote start system operates with reduced range (with IA)	IA key IA battery Aftermarket systems High power devices TV/radio transmission towers TPM module	REFER to DIAGNOSTIC ROUTINE L : The Remote Keyless Entry (RKE) Transmitter Has Poor Range Performance.
The remote start is inoperative	Wiring, terminals or connectors Hood switch Remote start feature not enabled PCM IKT (without IA) IA key (with IA)	REFER to Diagnostic Routine F: The Remote Start Is Inoperative .