Mazda Mazda6 - Dtc P0200

ON-BOARD DIAGNOSTIC
F2–129
F2
DTC P0200
A6E407001082224
Diagnostic procedure
DTC P0200 Fuel injector circuit malfunction
DETECTION
CONDITION
• PCM monitors injection confirmation signal from IDM while engine is running. If injection confirmation
signal is not input normally, PCM determines fuel injector circuit malfunction.
POSSIBLE
CAUSE
• 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
• Short to power circuit in wiring between IDM terminal 2D and PCM terminal 44
• 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
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.
2 FOLLOW OTHER DETECTED DTC FIRST
• Turn engine switch to OFF.
• Start engine.
• Has P0300 been detected?
Yes Go to DTC P0300 inspection.
(See F2–136 DTC P0300)
No Go to next step.
7
43
6
2
7
5
43
6
2
2
2
2
3
3
3
4
4
4
7
7
7
7
6
6
6
2B
2C
2D
2E
2F
30
42
44
45
43
IDM
PCM
2H
2G 2F
2E
2D
2C
2B
2A
45 44
43
42
30
IDM
HARNESS SIDE CONNECTOR
PCM
HARNESS SIDE CONNECTOR