Inspect the passive key.
Inspect the CPP switch (manual transmission only).
DIAGNOSIS AND TESTING > STARTING SYSTEM > PINPOINT TEST(S) > PINPOINT
TEST A : ENGINE DOES NOT CRANK > PINPOINT TEST A : ENGINE DOES NOT CRANK
A1 PERFORM INSPECTION AND VERIFICATION
NOTE: Make sure battery voltage is greater than 12.2 volts prior to and during this pinpoint test.
NOTE: If it is necessary to leave the battery charger connected during testing, do not leave it on its highest or boost setting. The highest settings can exceed 16 volts, resulting in false test results and setting of DTCs.
Perform Inspection and Verification .
Was an obvious cause for an observed or reported concern found?
Yes | CORRECT the cause as necessary. |
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No | GO to A2 |
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A2 CHECK FOR NO KEY DETECTED MESSAGE IN THE MESSAGE CENTER
NOTE: There are certain areas inside the vehicle where the passive key may not be detected and the message center displays NO KEY DETECTED. If the passive key is in the far outside edges of the interior (like in a door map pocket or above a sun visor) it might not be detected. Move the passive key to a different location and try to start the vehicle again.
Check the message displayed in the message center while pressing the engine start/stop switch.
Is NO KEY DETECTED displayed?
Yes | DIAGNOSE the NO KEY DETECTED concern. REFER to: Passive Anti-Theft System (PATS) . |
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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.