Starting System — Pinpoint Test(S) — Pinpoint Test D : P2535 — Starting System - 2.3L EcoBoost (231kW &314PS) · Reference 6322

crank detect circuit. When the required inputs have been received, the PCM supplies voltage and ground to the starter relay coil. The ignition switch - push button start is part of the FCIM and cannot be serviced separately. For more information, REFER to: Starting System - System Operation and Component Description .

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Conditions
P2535	Ignition Switch Run/Start Position Circuit High	The PCM sets this DTC when the PCM detects voltage on the crank detect circuit while engine is running.

Possible Sources

Ignition switch - push button start

BCM

PCM

Wiring, terminals or connectors

DIAGNOSIS AND TESTING > STARTING SYSTEM > PINPOINT TEST(S) > PINPOINT

TEST D : P2535 > PINPOINT TEST D : P2535

D1 CHECK THE CRANK DETECT CIRCUIT FOR A SHORT TO VOLTAGE WITH THE PCM (POWERTRAIN CONTROL MODULE) DISCONNECTED

Ignition OFF.

Disconnect PCM C1551B .

Ignition ON.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C1551B-47		Ground

Is any voltage present?

Yes	GO to D2

No	GO to D4

D2 CHECK THE CRANK DETECT CIRCUIT FOR A SHORT TO VOLTAGE WITH THE IGNITION SWITCH - PUSH BUTTON START DISCONNECTED

Ford_Mustang_all_2015-2017.pdf · source reference 6322

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.