DTC P0204 [MZI-3.5]
DTC P0204 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
z
Inspect the fuel injector No.3.
(see
FUEL INJECTOR
INSPECTION [MZI-3.5]
.)
z
Is there any malfunction?
No
Go to the next step.
8
VERIFY TROUBLESHOOTING OF
DTC P0203 HAS BEEN COMPLETED
z
Verify that all disconnected
connectors reconnected.
z
Clear DTC from memory using M-
MDS.
z
Start the engine.
z
Perform the "KOEO/KOER self-
test"
(See
KOEO/KOER SELF TEST
[MZI-3.5]
.)
z
Is same DTC present?
Yes
Replace the PCM, then go to the next
step.
No
Go to the next step.
9
VERIFY AFTER REPAIR
PROCEDURE
z
Perform the "AFTER REPAIR
PROCEDURE".
(See
AFTER REPAIR
PROCEDURE [MZI-3.5]
.)
z
Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See
DTC TABLE [MZI-3.5]
.)
No
Troubleshooting completed.
DTC P0204
Injector circuit/open-cylinder No.4
DETECTION
CONDITION
z
The CCM monitors the operation of the fuel injector drivers in the PCM. The test
if the fuel injector circuitry is inoperative.
POSSIBLE CAUSE
z
Fuel injector No.4 malfunction
z
Connector or terminal malfunction
z
Open circuit between fuel pump relay and fuel injector No.4 terminal B
z
Open circuit between fuel injector No.4 terminal A and PCM terminal 2BH
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:30 AM
Page 130
© 2005 Mitchell Repair Information Company, LLC.