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Home >> Mazda >> 2021 >> 3 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> On-Board Diagnostic - Engine Control System (VINS 7, L, M) (1 Of 4) >> DTC P0016-00: CKP-CMP (Intake Side) Correlation Problem >> Diagnostic Procedure

Diagnostic Procedure

DTC P0016:00 (PCM, VINs 7, L, M) DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION
  • Record the freeze frame data/snapshot data.
    NOTE:
    • Recording can be facilitated using the screen capture function of the PC.
- Go to the next step.
2 VERIFY RELATED REPAIR INFORMATION OR SERVICE INFORMATION AVAILABILITY
  • Verify related Service Bulletins, online repair information, or Service Information availability.
  • Is any related Information available?
Yes Perform repair or diagnosis according to the available information.
  • If the vehicle is not repaired, go to the next step.
No Go to the next step.
3 VERIFY INTAKE VALVE TIMING MECHANISM INSTALLATION
  • Verify the intake valve timing mechanism installation for the timing chain.
  • Is the intake valve timing mechanism installed correctly?
Yes Go to the next step.
No Reinstall the timing chain correctly and perform the repair completion verification.
4 INSPECT TIMING CHAIN FOR MALFUNCTION
Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
5 INSPECT INTAKE CAMSHAFT SPROCKET FOR MALFUNCTION
Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
6 INSPECT VALVE TIMING
Yes Adjust the valve timing properly and perform the repair completion verification.
(See TIMING CHAIN REMOVAL/INSTALLATION [(VIN M) (US)] .)
(See TIMING CHAIN REMOVAL/INSTALLATION [(VIN 7 & VIN L) (US)] .)
No Go to the next step.
7 INSPECT CKP SENSOR CONNECTOR FOR MALFUNCTION
  • Inspect the applicable connector and terminal. (See CONNECTOR INSPECTION .)
  • Are the connector and terminal normal?
Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
8 INSPECT CKP SENSOR FOR FOREIGN MATTER
Yes Remove the foreign matter from the CKP sensor and perform the repair completion verification.
No Go to the next step.
9 INSPECT CKP SENSOR PULSE WHEEL
  • Visually inspect the CKP sensor pulse wheel.
  • Is there any damage or scratching on the CKP sensor pulse wheel?
Yes Replace the CKP sensor pulse wheel and perform the repair completion verification.
No Go to the next step.
10 INSPECT CKP SENSOR FOR MALFUNCTION
Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
(See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION [(VIN M) (US)] .)
(See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION [(VIN 7 & VIN L) (US)] .)
11 INSPECT INTAKE CMP SENSOR CONNECTOR FOR MALFUNCTION
  • Inspect the applicable connector and terminal. (See CONNECTOR INSPECTION .)
  • Are the connector and terminal normal?
Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
12 INSPECT INTAKE CMP SENSOR FOR FOREIGN MATTER
Yes Remove the foreign matter from the intake CMP sensor and perform the repair completion verification.
No Go to the next step.
13 INSPECT INTAKE CMP SENSOR PULSE WHEEL
  • Visually inspect the intake CMP sensor pulse wheel.
  • Is there any damage or scratching on the intake CMP sensor pulse wheel?
Yes Replace the intake CMP sensor pulse wheel and perform the repair completion verification.
No Go to the next step.
14 INSPECT INTAKE CMP SENSOR FOR MALFUNCTION
Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
(See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION [(VIN M) (US)] .)
(See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION [(VIN 7 & VIN L) (US)] .)
15 INSPECT PCM CONNECTOR FOR MALFUNCTION
  • Inspect the applicable connector and terminal. (See CONNECTOR INSPECTION .)
  • Are the connector and terminal normal?
Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
Repair completion verification 1 VERIFY THAT VEHICLE IS REPAIRED
  • Install/connect the part removed/disconnected during the troubleshooting procedure.
  • Clear the DTC recorded in the memory. (See CLEARING DTC .)
  • Replicate the vehicle conditions at the time the DTC was detected using the following procedure.
    • Start the engine and warm it up completely.
  • Perform the DTC inspection for the PCM. (See DTC INSPECTION .)
  • Is the same Pending DTC present?
Yes Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW (US) .)
If the CAN communication is normal, perform the diagnosis from Step 1.
  • If the malfunction recurs, replace the PCM, then go to the next step.

(See PCM REMOVAL/INSTALLATION [(VIN M) (US)] .) (See PCM REMOVAL/INSTALLATION [(VIN 7 & VIN L) (US)] .)
No Go to the next step.
Repair completion verification 2 VERIFY IF OTHER DTCs DISPLAYED
  • Perform the DTC inspection. (See DTC INSPECTION .)
  • Are any other DTCs displayed?
Yes Repair the malfunctioning location according to the applicable DTC troubleshooting.
No DTC troubleshooting completed.