Mazda 6 - Dtc P0337

ON-BOARD DIAGNOSTIC
F2–117
F2
Diagnostic procedure
End Of Sie
DTC P0337
B6E407000300103
STEP INSPECTION ACTION
1 VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
• Has FREEZE FRAME DATA been recorded?
Yes Go to the next step.
No Record the FREEZE FRAME DATA on the repair order,
then go to the next step.
2 VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Verify related Service Information availability.
• Is any related repair information available?
Yes Perform repair or diagnosis according to the available
Service Information.
• If the vehicle is not repaired, go to the next step.
No Go to the next step.
3 VERIFY CURRENT SIGNAL STATUS: IS
CONCERN INTERMITTENT OR CONSTANT?
• Connect the WDS or equivalent to the DLC-2.
• Clear the DTC from the PCM memory using
the WDS or equivalent.
• Start the engine.
• Is the same DTC present?
Yes Go to the next step.
No Intermittent concern exists.
Perform the “INTERMITTENT CONCERNS
TROUBLESHOOTING”.
4 INSPECT CKP SENSOR PULSAR
• Inspect the CKP sensor pulsar for damage
and/or cracks.
• Is there any malfunction?
Yes Replace the CKP sensor pulsar, then go to Step 8.
No Go to the next step.
5 INSPECT CKP SENSOR CONNECTOR FOR
POOR CONNECTION
• Turn the engine switch off.
• Inspect for poor connection (such as damaged/
pulled-out terminals, corrosion).
• Is there any malfunction?
Yes Repair or replace the suspected terminal, go to Step 8.
No Go to the next step.
6 INSPECT CKP SENSOR
• Inspect the CKP sensor.
• Is there any malfunction?
Yes Replace the CKP sensor, go to Step 8.
No Go to the next step.
7 INSPECT PCM CONNECTOR FOR POOR
CONNECTION
• Turn the engine switch off.
• Inspect for poor connection (such as damaged/
pulled-out terminals, corrosion).
• Is there any malfunction?
Yes Repair or replace the suspected terminal, go to the next
step.
No Go to the next step.
8 VERIFY TROUBLESHOOTING OF DTC P0336
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear the DTC from the PCM memory using
the WDS or equivalent.
• Start the engine.
• Is the same DTC present?
Yes Replace the PCM, go to the next step.
No Go to the next step.
9 VERIFY AFTER REPAIR PROCEDURE
• Perform the Repair Verification Drive Mode.
(See F2–39 OBD DRIVE MODE.)
• Are any DTCs present?
Yes Go to the applicable DTC inspection.
(See F2–40 DTC TABLE.)
No Troubleshooting completed.
DTC P0337 CKP sensor circuit low input
DETECTION
CONDITION
• The PCM monitors the input signal from the CKP sensor and the CMP sensor while the engine is running.
If the input signal from the CKP sensor is not input while the PCM detects 28 pulses from the CMP sensor,
the PCM determines that there is a malfunction in the CKP sensor circuit.
Diagnostic support note
• The MIL illuminates if the PCM detects the above malfunction condition in the first drive cycle.
• FREEZE FRAME DATA is available.
• The DTC is stored in the PCM memory.