DTC P0203 [MZI-3.7]
DTC P0203 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
KOEO/KOER SELF TEST [MZI-3.7]
.)
z
Is same DTC present?
No
Go to the next step.
9
VERIFY AFTER REPAIR PROCEDURE
z
Perform the "AFTER REPAIR PROCEDURE".
(See
AFTER REPAIR PROCEDURE [MZI-
3.7]
.)
z
Are any DTCs present?
Yes
Go to the applicable DTC
inspection. (See
DTC TABLE
[MZI-3.7]
.)
No
Troubleshooting completed.
DTC P0203
Injector circuit/open-cylinder No.3
DETECTION
CONDITION
z
The CCM monitors the operation of the fuel injector drivers in the PCM. The test
fails if the fuel injector circuitry is inoperative.
POSSIBLE CAUSE
z
Fuel injector No.3 malfunction
z
Connector or terminal malfunction
z
Open circuit between fuel pump relay and fuel injector No.3 terminal B
z
Open circuit between fuel injector No.3 terminal A and PCM terminal 2BF
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:36 AM
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