Test Procedure

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V1 PRELIMINARY DIAGNOSIS FOR DTCS P0340, P0341, OR P2614

NOTE: Some DTCs require that the engine goes through more than one key cycle to set.

NOTE: DTCs P2617 and P2614 may set simultaneously after an engine stalling event.

NOTE: DTC P2614 is calibrated to an increment counter. To set the DTC requires more than 10 consecutive fault events in the crank or the run mode. Carry out the required number of key cycles from ON to START to ON (cycling to OFF resets the timer) and then carry out the key on engine off (KOEO) or key on engine running (KOER) self-test.

Carry out a visual inspection.
Retrieve and record all DTCs.
Record the freeze frame data.
Clear the DTCs.
Carry out the KOEO and KOER self-test.

Are DTCs P0340, P0341 or P2614 present?

Yes	No
GO to V2.	UNABLE to duplicate the condition. CHECK for a loose connection, and damaged or corroded terminals. WIGGLE the harness attempting to recreate the fault. REPAIR as necessary. REFER to SYMPTOM CHARTS , if a driveability concern exists. REFER to HARD START/NO START DIAGNOSTIC PROCEDURES to diagnose a no-start condition.

V2 DIAGNOSTIC TROUBLE CODES (DTCS) P0340, P0341, OR P2614

Possible causes:
- CMP circuit open
- CMP circuit short to ground
- CMP circuit short to power
- signal circuit open
- signal circuit short
- PCM
- CMP sensor

Does the engine start?

Yes	No
GO to V3.	GO to V4.

V3 ATTEMPT TO RECREATE THE DTCS

Clear the DTCs.
Key ON, engine running.
Increase the engine speed to greater than 1,500 RPM for 10 seconds. Repeat this 2 times.
Key ON, engine OFF.
Carry out the KOEO and KOER self-test.

Are DTCs P0340, P0341 or P2614 present?

Yes	No
GO to V4.	UNABLE to duplicate the condition. CHECK for a loose connection, and damaged or corroded terminals. WIGGLE the harness attempting to recreate the fault. REPAIR as necessary. REFER to SYMPTOM CHARTS , if a driveability concern exists.

V4 CHECK THE RESISTANCE OF THE CMP SENSOR

Key in OFF position.
PCM connector disconnected.

Measure the resistance between:

( + ) PCM Connector, Harness Side	( - ) PCM Connector, Harness Side
CMP+ - Pin E31	CMP- - Pin E43

Is the resistance between 800 - 1K ohms?

Yes	No
GO to V5.	GO to V7.

V5 CHECK FOR AN INTERMITTENT SHORT CIRCUIT

PCM connector connected.
Key ON, engine OFF.
Access the PCM and monitor the CMPFM PID.
Wiggle the harness.

Is a concern present?

Yes	No
REPAIR the short circuit. CLEAR the DTCs.	For DTCs P0340 or P0341, GO to V6.
REPEAT the self-test.	For DTC P2614, GO to V9.

V6 CONFIRM A PCM FAULT

Key ON, engine OFF.
Clear the DTCs.
Carry out the KOEO and KOER self-test.

Are DTCs P0340 or P0341 present?

Yes	No
GO to V13.	UNABLE to duplicate the condition. CHECK for a loose connection, and damaged or corroded terminals. WIGGLE the harness attempting to recreate the fault. REPAIR as necessary. REFER to SYMPTOM CHARTS , if a driveability concern exists.

V7 CHECK THE CMP SENSOR CIRCUITS FOR A SHORT TO GROUND

Key in OFF position.
CMP Sensor connector disconnected.
Inspect the CMP sensor connector for damaged or corroded pins.

Measure the resistance between:

( + ) PCM Connector, Harness Side	( - )
CMP+ - Pin E31	Ground
CMP- - Pin E43	Ground

Are the resistances greater than 10K ohms?

Yes	No
GO to V8.	REPAIR the short circuit. CLEAR the DTCs. REPEAT the self-test.

V8 CHECK THE CMP SENSOR CIRCUITS FOR AN OPEN

Measure the resistance between:

( + ) PCM Connector, Harness Side	( - ) CMP Sensor Connector, Harness Side
CMP+ - Pin E31	CMP+ - Pin 1
CMP- - Pin E43	CMP- - Pin 2

Are the resistances less than 5 ohms?

Yes	No
INSTALL a new CMP sensor. CLEAR the	REPAIR the open circuit. CLEAR the DTCs.
REPEAT the self-test.	REPEAT the self-test.

V9 CHECK THE CAMSHAFT POSITION SIGNAL FOR A SHORT TO VOLTAGE

Key in OFF position.
PCM connector disconnected.
FICM-C connector disconnected.
Key ON, engine OFF.

Measure the voltage between:

( + ) FICM-C Connector, Harness Side	( - )
CMPO - Pin 10	Ground

Is any voltage indicated?

Yes	No
REPAIR the short circuit. CLEAR the DTCs. REPEAT the self-test.	GO to V10.

V10 CHECK THE CAMSHAFT POSITION SIGNAL FOR A SHORT TO GROUND

Key in OFF position.

Measure the resistance between:

( + ) FICM-C Connector, Harness Side	( - )
CMPO - Pin 10	Ground

Is the resistance greater than 10K ohms?

Yes	No
GO to V11.	REPAIR the short circuit. CLEAR the DTCs. REPEAT the self-test.

V11 CHECK THE CAMSHAFT POSITION SIGNAL FOR AN OPEN

Measure the resistance between:

( + ) FICM-C Connector, Harness Side	( - ) PCM Connector, Harness Side
CMPO - Pin 10	CMPO - Pin E20

Is the resistance less than 5 ohms?

Yes	No
GO to V12.	REPAIR the open circuit. CLEAR the DTCs. REPEAT the self-test.

V12 CHECK THE CMP SENSOR

Inspect the CMP sensor for misalignment and improper installation.
Remove the CMP sensor.
Inspect the CMP sensor for damage.

Is a concern present?

Yes	No
REPAIR as necessary. CLEAR the DTCs. REPEAT the self-test.	GO to V13.

V13 CHECK FOR CORRECT PCM OPERATION

Disconnect all the PCM connectors.
Visually inspect for:
- pushed out pins
- corrosion
Connect all the PCM connectors and make sure they seat correctly.
Carry out the PCM self-test and verify the concern is still present.

Is the concern still present?

Yes	No
INSTALL a new PCM. REFER to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) .	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.