Symptom Chart

NOTE: For hybrid starting system diagnostics, refer to the INTRODUCTION - FUSION HYBRID AND MKZ HYBRID .

SYMPTOM CHART

Condition	Possible Sources	Action
The engine does not crank	Battery Battery Junction Box (BJB) fuse 5 (30A) Smart Junction Box (SJB) fuse 27 (20A) Starter motor PCM Circuitry Starter motor relay Ignition switch Anti-theft system Start diode Transmission Range (TR) sensor - automatic transmission Clutch cutoff switch - manual transmission	GO to PINPOINT TEST A .
One-Touch Integrated Start (OTIS) does not operate correctly	Circuitry PCM	GO to PINPOINT TEST B .
The engine cranks slowly	Battery Starter motor Circuitry	CARRY OUT the STARTER MOTOR .
Unusual starter noise	Starter motor mounting Starter motor Incorrect starter drive engagement	GO to PINPOINT TEST C .
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 flywheel/flexplate ring gear teeth	INSPECT the flywheel/flexplate ring gear for damaged, missing or worn teeth. REPAIR as necessary.