Mazda Mazda6 - Dtc P0337

F2–138
ON-BOARD DIAGNOSTIC
DTC P0337
A6E407001082230
Diagnostic procedure
DTC P0337 CKP sensor circuit low input
DETECTION
CONDITION
• PCM monitors input signal from CKP sensor while engine is running. If input signal from CKP sensor is not
input at 12 crankshaft revolutions, PCM determines CKP sensor circuit low input.
POSSIBLE
CAUSE
• CKP sensor malfunction
• Connector or terminal malfunction
• Short to GND in wiring between CKP sensor terminal A and PCM terminal 29
• Short to GND in wiring between CKP sensor terminal B and PCM terminal 3
• Open circuit in wiring between CKP sensor terminal A and PCM terminal 29
• Open circuit in wiring between CKP sensor terminal B and PCM terminal 3
• PCM malfunction
STEP INSPECTION ACTION
1 VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Check for related Service Information
availability.
• Is any related repair information available?
Yes Perform repair or diagnosis according to available Service
Information.
• If vehicle is not repaired, go to next step.
No Go to next step.
CKP SENSOR
A
B
5
4
3
6
2
2
5
3
6
29
3
PCM
CKP SENSOR
HARNESS SIDE CONNECTOR
PCM
HARNESS SIDE CONNECTOR
A
BC
29
3