Dtc P0200 - Mazda Mazda6 Workshop Manual Supplement

DTC P0200

DTC P0200 Fuel injector circuit malfunction
• PCM monitors injection confirmation signal from IDM while engine is running. If injection confirmation
DETECTION
CONDITION signal is not input normally, PCM determines fuel injector circuit malfunction.
• IDM
• Connector or terminal malfunction
• Short to GND in wiring between IDM terminal 2B and PCM terminal 30
• Short to GND in wiring between IDM terminal 2C and PCM terminal 42
• Short to GND in wiring between IDM terminal 2D and PCM terminal 44
• Short to GND in wiring between IDM terminal 2E and PCM terminal 45
• Short to GND in wiring between IDM terminal 2F and PCM terminal 43
• Short to power circuit in wiring between IDM terminal 2B and PCM terminal 30
• Short to power circuit in wiring between IDM terminal 2C and PCM terminal 42
POSSIBLE
• Short to power circuit in wiring between IDM terminal 2D and PCM terminal 44
CAUSE
• Short to power circuit in wiring between IDM terminal 2E and PCM terminal 45
• Short to power circuit in wiring between IDM terminal 2F and PCM terminal 43
• Open circuit in wiring between IDM terminal 2B and PCM terminal 30
• Open circuit in wiring between IDM terminal 2C and PCM terminal 42
• Open circuit in wiring between IDM terminal 2D and PCM terminal 44
• Open circuit in wiring between IDM terminal 2E and PCM terminal 45
• Open circuit in wiring between IDM terminal 2F and PCM terminal 43
• PCM malfunction
HARNESS SIDE CONNECTOR
2G 2F
2H
Diagnostic procedure
STEP
1 VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Check for related Service Information
availability.
• Is any related repair information available?
2 FOLLOW OTHER DETECTED DTC FIRST
• Turn engine switch to OFF.
• Start engine.
• Has P0300 been detected?
ON-BOARD DIAGNOSTIC
IDM
2B
2C
5
2D
2E
2F
IDM
2A
2E 2C 2B
2D
INSPECTION
6
3 4
30
3 4
6
42
3 4
6
44
3 4
6
45
4
3
6
43
HARNESS SIDE CONNECTOR
44 43 42
45
Yes Perform repair or diagnosis according to available Service
Information.
• If vehicle is not repaired, go to next step.
No Go to next step.
Yes Go to DTC P0300 inspection.
(See F2–136 DTC P0300)
No Go to next step.
A6E407001082224
PCM
PCM
30
ACTION
F2–129
F2