LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2016 >> Flex SE >> Repair and Diagnosis >> Electrical >> Starter >> Starting System >> Diagnosis And Testing >> Starting System >> Symptom Chart
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Symptom Chart

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.

Symptom Chart

Condition Possible Sources Action
The engine does not crank - Without IA Refer to the Diagnostic Routine GO to Pinpoint Test A .
The engine does not crank - With IA Refer to the Diagnostic Routine GO to Pinpoint Test B .
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 .
The engine cranks but does not start. Fuses
Fuel pump
Fuel pump relay
PCM
ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID)
Unusual starter noise Refer to the Diagnostic Routine GO to Pinpoint Test C .
The starter spins but the engine does not crank Starter motor INSPECT the starter motor mounting and engagement. REFER to Starter Motor - 3.5L GTDI , or Starter Motor - 3.5L Ti-VCT , or Starter Motor Drive Gear and Flywheel Ring Gear Inspection . REPAIR as necessary.
Damaged flexplate INSPECT the flexplate for damaged, missing or worn teeth. REFER to Starter Motor Drive Gear and Flywheel Ring Gear Inspection . 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 CDC25 (BN/GN) for a short to voltage.
The remote start system operates with reduced range Refer to the Diagnostic Routine GO to Pinpoint Test E 
The remote start is inoperative Refer to the Diagnostic Routine GO to Pinpoint Test F .