DIAGNOSIS AND TESTING > STARTING SYSTEM > SYMPTOM CHART(S)
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 .
Symptom Chart
Condition Possible Sources Actions The engine does not crank Refer to the Pinpoint Test GO to Pinpoint Test A PERFORM the starter system component test. REFER to Starter The engine cranks slowly Refer to the Pinpoint Test Motor - Positive Circuit Test in Component Test(s) . Fuses PCM Refer to ENGINE CONTROLS - Fuel pump SYMPTOM CHARTS (EXCEPT The engine cranks but will not start Fuel pump relay DIESEL & HYBRID) . Starter Wiring, terminals or connectors Unusual starter noise Refer to the Pinpoint Test GO to Pinpoint Test B INSPECT the starter motor Starter motor mounting and engagement. REPAIR as necessary. The starter spins but the engine does not crank INSPECT the flexplate for Damaged flexplate damaged, missing or worn teeth. REPAIR as necessary. REMOVE the starter relay. If the engine stops cranking, INSTALL a The starter does not disengage Starter relay new relay. If the engine continues from the flexplate Wiring, terminals or connectors to crank, REPAIR circuit CDC25 (BN/GN) for a short to voltage. Remote start feature not enabled REFER to: Locks, Latches and Passive Key or battery The remote start is inoperative Entry Systems . PCM Wiring, terminals or connectors Passive key or battery REFER to: Locks, Latches and After market systems The remote start has poor range Entry Systems . High power devices performance TV/radio transmission towers
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DIAGNOSIS AND TESTING > STARTING SYSTEM > PINPOINT TEST(S)
Engine Does Not Crank
Ford_Mustang_all_2015-2017.pdf · source reference 6274
Original technical text and illustrations, formatted as HTML. Follow the engine, transmission, equipment, model and year specified in the source. Import and layout checks do not establish applicability to every 2015–2017 Mustang. About this collection.