Pinpoint Test AE : P0C2F:62, P0C2F:63

Normal Operation and Fault Conditions

REFER to: Electric Powertrain Control - System Operation and Component Description .

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
SOBDMC P0C2F:62	Internal Control Module Drive Motor/Generator-Engine Speed Sensor Performance: Signal Compare Failure	This DTC sets when a speed range fault is detected.
SOBDMC P0C2F:63	Internal Control Module Drive Motor/Generator-Engine Speed Sensor Performance: Circuit/Component Protection Time-Out	This DTC sets when a motor speed plausibility fault is detected.

Possible Sources

Wiring, terminals or connectors
Transmission Speed Sensor Resolver

AE1 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS)
- Ignition ON.
- Using a diagnostic scan tool, run the Inverter System Controller (ISC) self-test.
Are DTCs P0C2F:62 or P0C2F:63 the only DTCs read from the Inverter System Controller (ISC)?

Yes GO to AE2

No DIAGNOSE all other Inverter System Controller (ISC) DTCs. REFER to the Diagnostic Trouble Code (DTC) Chart .

AE2 CHECK THE INVERTER SYSTEM CONTROLLER (ISC) CALIBRATION LEVEL
- Verify the Inverter System Controller (ISC) is at the latest calibration level.
Is the Inverter System Controller (ISC) at the latest calibration level?

Yes GO to AE3

No UPDATE the Inverter System Controller (ISC) to the latest calibration level.

AE3 CHECK THE TRANSMISSION SENSOR SPEED RESOLVER FOR AN OPEN

Ignition OFF.

Disconnect Transmission Sensor Speed Resolver C1280.

Disconnect Inverter System Controller (ISC) C1458A.

Measure and record:

Positive Lead	Measurement / Action	Negative Lead
C1458A-A1	Courtesy of FORD MOTOR COMPANY	C1280-3
C1458A-B1	Courtesy of FORD MOTOR COMPANY	C1280-4
C1458A-A2	Courtesy of FORD MOTOR COMPANY	C1280-1
C1458A-B2	Courtesy of FORD MOTOR COMPANY	C1280-5
C1458A-A3	Courtesy of FORD MOTOR COMPANY	C1280-2
C1458A-B3	Courtesy of FORD MOTOR COMPANY	C1280-6

Are the resistances less than 5 ohms?

Yes

GO to AE4

No	REPAIR the open circuit. CLEAR the DTCs and REPEAT the self-test.

AE4 CHECK THE TRANSMISSION SENSOR SPEED RESOLVER FOR A SHORT TO GROUND

Measure and record:

Positive Lead	Measurement / Action	Negative Lead
C1458A-A1	Courtesy of FORD MOTOR COMPANY	C1280-3
C1458A-B1	Courtesy of FORD MOTOR COMPANY	C1280-4
C1458A-A2	Courtesy of FORD MOTOR COMPANY	C1280-1
C1458A-B2	Courtesy of FORD MOTOR COMPANY	C1280-5
C1458A-A3	Courtesy of FORD MOTOR COMPANY	C1280-2
C1458A-B3	Courtesy of FORD MOTOR COMPANY	C1280-6

Are the resistances greater than 10K ohms?

Yes

GO to AE5

No	REPAIR the short circuit. CLEAR the DTCs and REPEAT the self-test.

AE5 CHECK THE INVERTER SYSTEM CONTROLLER (ISC) CIRCUITS FOR SHORTED TOGETHER

Measure and record:

Positive Lead	Measurement / Action	Negative Lead
C1458A-A1	Courtesy of FORD MOTOR COMPANY	C1458A-B1
C1458A-A1	Courtesy of FORD MOTOR COMPANY	C1458A-A2
C1458A-A1	Courtesy of FORD MOTOR COMPANY	C1458A-B2
C1458A-A1	Courtesy of FORD MOTOR COMPANY	C1458A-A3
C1458A-A1	Courtesy of FORD MOTOR COMPANY	C1458A-B3
C1458A-B1	Courtesy of FORD MOTOR COMPANY	C1458A-A2
C1458A-B1	Courtesy of FORD MOTOR COMPANY	C1458A-B2
C1458A-B1	Courtesy of FORD MOTOR COMPANY	C1458A-A3
C1458A-B1	Courtesy of FORD MOTOR COMPANY	C1458A-B3
C1458A-A2	Courtesy of FORD MOTOR COMPANY	C1458A-B2
C1458A-A2	Courtesy of FORD MOTOR COMPANY	C1458A-A3
C1458A-A2	Courtesy of FORD MOTOR COMPANY	C1458A-B3
C1458A-B2	Courtesy of FORD MOTOR COMPANY	C1458A-A3
C1458A-B2	Courtesy of FORD MOTOR COMPANY	C1458A-B3
C1458A-A3	Courtesy of FORD MOTOR COMPANY	C1458A-B3

Are the resistances greater than 10K ohms?

Yes

GO to AE6

No	REPAIR the short circuit. CLEAR the DTCs and REPEAT the self-test.

AE6 CHECK THE INVERTER SYSTEM CONTROLLER (ISC) CIRCUITS FOR A SHORT TO VOLTAGE

Ignition ON.

Measure and record:

Positive Lead	Measurement / Action	Negative Lead
C1458A-A1	Courtesy of FORD MOTOR COMPANY	Ground
C1458A-B1	Courtesy of FORD MOTOR COMPANY	Ground
C1458A-A2	Courtesy of FORD MOTOR COMPANY	Ground
C1458A-B2	Courtesy of FORD MOTOR COMPANY	Ground
C1458A-A3	Courtesy of FORD MOTOR COMPANY	Ground
C1458A-B3	Courtesy of FORD MOTOR COMPANY	Ground

Is any voltage present?

Yes	REPAIR the short circuit. CLEAR the DTCs and REPEAT the self-test.

GO to AE7

AE7 CHECK FOR CORRECT INVERTER SYSTEM CONTROLLER (ISC) OPERATION

Ignition OFF.

Disconnect and inspect all Inverter System Controller (ISC) connectors.

Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the Inverter System Controller (ISC) connectors. Make sure they seat and latch correctly.

Connect Transmission Sensor Speed Resolver C1280.

Ignition ON.

Clear the Inverter System Controller (ISC) DTCs.

Ignition OFF.

Wait 60 seconds.

Start the engine.

Using a diagnostic scan tool, run the Inverter System Controller (ISC) self-test.

Are DTCs P0C2F:62 or P0C2F:63 the only DTCs present?

Yes	INSTALL a new low voltage harness between the Inverter System Controller (ISC) and the electric motor. CLEAR the DTCs and REPEAT the self-test.

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.