Mazda CX-9 Grand Touring 2007 Manual page 504

2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
7 INSPECT FUEL PUMP MONITOR
CIRCUIT FOR OPEN CIRCUIT
Turn the ignition switch off.
Inspect continuity between fuel
pump terminal B (wiring harness-
side) and PCM terminal 1Q (wiring
harness-side).
Is there continuity?
8 INSPECT FUEL PUMP RELAY
Inspect the fuel pump relay.
(see RELAY INSPECTION .)
Is there any malfunction?
9 INSPECT FUEL PUMP
Inspect the fuel pump.
(see FUEL PUMP UNIT
INSPECTION [MZI-3.5] .)
Is there any malfunction?
10 VERIFY TROUBLESHOOTING OF
DTC P0232 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?
11 VERIFY AFTER REPAIR
PROCEDURE
Perform the "AFTER REPAIR
PROCEDURE".
2007 Mazda CX-9 Grand Touring
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Go to the next step.
Repair or replace suspected part, then go
to Step 10.
Replace the fuel pump relay, then go to
Step 10.
Go to the next step.
Replace the fuel pump unit, then go to
the next step.
Go to the next step.
Replace the PCM, then go to the next
step.
Go to the next step.
Go to the applicable DTC inspection.
(See DTC TABLE [MZI-3.5].)