Symptom Chart

SYMPTOM CHART

Condition	Possible Sources	Action
The engine does not crank	Battery Battery cables Fuse Starter motor Wiring, terminals or connectors PCM Starter relay Ignition switch Start diode Transmission Range (TR) sensor Passive Anti-Theft System (PATS) (if equipped)	GO to PINPOINT TEST A .
One-Touch Integrated Start (OTIS) does not operate correctly	OTIS not enabled. PCM Wiring, terminals or connectors	GO to PINPOINT TEST B .
Unusual starter noise	Starter motor Starter motor mounting Starter motor engagement Flexplate ring gear	GO to PINPOINT TEST C .
The engine cranks slowly	Battery Battery cables Starter motor Wiring, terminals or connectors	CARRY OUT the Starter Motor - Feed Circuit and Starter Motor - Ground Circuit Tests. REFER to COMPONENT TESTS in this service information.
The starter spins but the engine does not crank	Damaged flexplate Starter motor	INSPECT the flexplate for damaged, missing or worn teeth. REPAIR as necessary. INSPECT the starter motor mounting and engagement. REPAIR as necessary.
The starter does not disengage from the flexplate	Starter relay Wiring, terminal or connectors	REMOVE the starter relay. If the engine stops cranking, INSTALL a new relay. If the engine continues to crank, REPAIR circuit 50-BB12 (GY) for a short to voltage.