Mazda CX-9 Grand Touring 2007 Manual page 471

2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Inspect the fuel injector No. 1.
(see FUEL INJECTOR
INSPECTION [MZI-3.5] .)
Is there any malfunction?
8 VERIFY TROUBLESHOOTING OF
DTC P0201 HAS BEEN COMPLETED
Verify that all disconnected
connectors reconnected.
Clear DTC from memory using M-
MDS.
Start the engine.
Perform the "KOEO/KOER self-
test"
(See KOEO/KOER SELF TEST
[MZI-3.5].)
Is same DTC present?
9 VERIFY AFTER REPAIR
PROCEDURE
Perform the "AFTER REPAIR
PROCEDURE".
(See AFTER REPAIR
PROCEDURE [MZI-3.5].)
Are any DTCs present?
DTC P0202 [MZI-3.5]
DTC P0202 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
DTC P0202
DETECTION
CONDITION
POSSIBLE CAUSE
2007 Mazda CX-9 Grand Touring
Injector circuit/open-cylinder No.2
The CCM monitors the operation of the fuel injector drivers in the PCM. The test
if the fuel injector circuitry is inoperative.
Fuel injector No.2 malfunction
Connector or terminal malfunction
Open circuit between fuel pump relay and fuel injector No.2 terminal B
Open circuit between fuel injector No.2 terminal A and PCM terminal 2BM
No Go to the next step.
Yes Replace the PCM, then go to the next
step.
No Go to the next step.
Yes Go to the applicable DTC inspection.
(See DTC TABLE [MZI-3.5].)
No Troubleshooting completed.