Pinpoint Test A : Engine Does Not Crank - Without Push-Button Start

WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Make sure battery voltage is greater than 12.2 volts prior to and during this pinpoint test.

NOTE: Do not have a battery charger attached during vehicle testing.

A1 PERFORM INSPECTION AND VERIFICATION
- Perform Inspection and Verification procedure in this information.
Was an obvious cause for an observed or reported concern found?

Yes Correct the cause as necessary.

No GO to A2

A2 VERIFY THE BCM (BODY CONTROL MODULE) AND PCM (POWERTRAIN CONTROL MODULE) PASS THE NETWORK TEST
- Ignition ON.
- Using a diagnostic scan tool, perform the Network Test.
Did the BCM and PCM pass the Network Test?

Yes GO to A3

No REFER to: Communications Network .

A3 RETRIEVE DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, perform BCM and PCM self-tests.

Are any Diagnostic Trouble Codes (DTCs) present?

Yes	For all BCM Diagnostic Trouble Codes (DTCs), refer to the BCM DTC Chart . For PCM DTC P06E9, GO to A4 For all other PCM Diagnostic Trouble Codes (DTCs), REFER to: Electronic Engine Controls .

GO to A4

A4 CHECK BCM (BODY CONTROL MODULE) IGN_SW_STATE PID (PARAMETER IDENTIFICATION)
- Using a diagnostic scan tool, view the BCM Parameter Identifications (PIDs).
- Monitor the BCMPID IGN_SW_STATE while turning the ignition switch from OFF to START.
Does the PID change from Off to Start when the ignition switch is turned from OFF to START?

Yes GO to A5

No DIAGNOSE No power in ON. REFER to: Steering Wheel and Column Electrical Components .

A5 CHECK THE TRANSMISSION RANGE INPUT ALLOWING ENGINE START (TR_CRANK) PID (PARAMETER IDENTIFICATION)
- Using a diagnostic scan tool, view the TCM Parameter Identifications (PIDs).
- Monitor the TCM PID TR_CRANK, while placing the gear selector in PARK and then NEUTRAL.
Does the PID read Yes in both positions?

Yes GO to A6

No REFER to: Diagnostic Strategy .

A6 CHECK THE PCM (POWERTRAIN CONTROL MODULE) ENGINE CRANKING (ENG_CRANK) PID (PARAMETER IDENTIFICATION)
- Make sure the transmission is in PARK or NEUTRAL.
- Using a diagnostic scan tool, view the PCM Parameter Identifications (PIDs).
- Monitor the PCM PID ENG_CRANK while turning the ignition switch to the START position.
Does the PID change from Inactive to Active?

Yes GO to A7

No GO to A17

A7 CHECK THE BJB (BATTERY JUNCTION BOX) STARTER RELAY FUSE
- Verify the BJB fuse 63 (30A).
Was the fuse OK?

Yes GO to A8

No REPAIR the circuit for a short to ground.

A8 CHECK FOR START REQUEST AT THE STARTER

Disconnect Starter solenoid C197A.

While holding the key in the START position, measure:

Positive Lead	Measurement / Action	Negative Lead
C197A-1 ("S" terminal)	Courtesy of FORD MOTOR COMPANY	Ground

Is the voltage greater than 11 volts?

Yes

GO to A13

No	Connect Starter solenoid C197A and GO to A9

A9 CHECK THE STARTER MOTOR CONTROL OPERATION

Disconnect BJB Relay Module C1035B.

Connect a remote starter switch:

Positive Lead	Measurement / Action	Negative Lead
C1035B-6	Remote Starter Switch	Courtesy of FORD MOTOR COMPANY

Momentarily engage the remote starter switch.

Does the engine crank?

Yes

GO to A10

No	REPAIR circuit for open.

A10 CHECK THE PCM (POWERTRAIN CONTROL MODULE) STARTER RELAY CONTROL CIRCUITS FOR A SHORT TO VOLTAGE

Connect BJB Relay Module C1035B.

Disconnect PCM C1232B.

Ignition ON.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C1232B-7	Courtesy of FORD MOTOR COMPANY	Ground
C1232B-37	Courtesy of FORD MOTOR COMPANY	Ground

Is any voltage present?

Yes	REPAIR the affected circuit.

GO to A11

A11 CHECK THE PCM (POWERTRAIN CONTROL MODULE) STARTER RELAY CONTROL CIRCUITS FOR A SHORT TO GROUND

Ignition OFF.

Disconnect ACM C240A.

Disconnect BJB Relay Module C1035B.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C1232B-7	Courtesy of FORD MOTOR COMPANY	Ground
C1232B-37	Courtesy of FORD MOTOR COMPANY	Ground

Are the resistances greater than 10, 000 ohms?

Yes

GO to A12

No	REPAIR the affected circuit.

A12 CHECK THE PCM (POWERTRAIN CONTROL MODULE) STARTER RELAY CONTROL CIRCUITS FOR AN OPEN

Measure:

Positive Lead	Measurement / Action	Negative Lead
C1232B-7	Courtesy of FORD MOTOR COMPANY	C1035B-17
C1232B-37	Courtesy of FORD MOTOR COMPANY	C1035B-14

Are the resistances less than 3 ohms?

Yes	INSTALL a new BJB relay module.

No	REPAIR the affected circuit. CHECK the system for proper operation. If engine will still not crank, GO to A18

A13 CHECK THE STARTER MOTOR FOR CORRECT OPERATION
- Perform Starter Motor - Positive Circuit Test .
Was an obvious cause found?

Yes Correct the cause as necessary.

No GO to A14

A14 CHECK THE BATTERY GROUND CABLES

Measure:

Positive Lead	Measurement / Action	Negative Lead
Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY	Ground G100
Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY	Ground G101
Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY	Ground G102
Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY	Ground G104 (with dual batteries)

Are the voltages greater than 11 volts?

Yes

GO to A15

No	CLEAN or INSTALL anew negative battery cable as necessary. REFER to: Battery Cables - 6.7L Power Stroke Diesel .

A15 CHECK THE STARTER MOTOR GROUND

Measure:

Positive Lead	Measurement / Action	Negative Lead
Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY Starter motor case

Is the voltage greater than 11 volts?

Yes

GO to A16

No	CLEAN the starter motor mounting flange and MAKE SURE the starter motor is correctly mounted. REFER to: Starter Motor .

A16 CHECK THE VOLTAGE TO THE STARTER MOTOR

Measure:

Positive Lead	Measurement / Action	Negative Lead
C197C-1 ("B" terminal)	Courtesy of FORD MOTOR COMPANY	Ground

Is the voltage greater than 11 volts?

Yes	INSTALL a new starter motor. REFER to: Starter Motor .

No	INSTALL a new positive battery cable. REFER to: Battery Cables - 6.7L Power Stroke Diesel .

A17 CHECK PCM (POWERTRAIN CONTROL MODULE) FOR CRANK REQUEST

Disconnect PCM C1232B.

While holding the key in the START position, measure:

Positive Lead	Measurement / Action	Negative Lead
C1232B-16	Courtesy of FORD MOTOR COMPANY	Ground

Is the voltage greater than 11 volts?

Yes

GO to A18

No	REPAIR circuit for open.

A18 CHECK FOR CORRECT PCM (POWERTRAIN CONTROL MODULE) OPERATION

Ignition OFF.

Disconnect and inspect all PCM connectors.

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

Reconnect the PCM connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes	CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, Refer to PCM Guided Routine .

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.