Mazda CX-9 Grand Touring 2009 Manual page 1325

DIAGNOSTIC PROCEDURE
NO.6 CRANKS NORMALLY BUT WILL NOT START (MZI-3.7) DIAGNOSTIC PROCEDURE
STEP INSPECTION
Connect the M-MDS to the DLC-2.
Do any of the following conditions
appear?
1
Engine does not completely start.
DTC P1260 is displayed.
Does engine stall after approx. 2 s from
2
when it is started?
Is the coil connector securely connected
3
to the coil?
2008 Mazda CX-9 Grand Touring
2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9
Pressure regulator malfunction (built-in fuel pump unit)
WARNING:
The following troubleshooting flow chart contains the fuel system diagnosis
and repair procedures. Read the following warnings before servicing the fuel
system:
Fuel vapor is hazardous. It can easily ignite, causing serious injury
and damage. Always keep sparks and flames away from fuel.
Fuel line spills and leakage are dangerous. Fuel can ignite and cause
serious injuries or death and damage. Fuel can also irritate skin and
eyes. To prevent this, always complete "BEFORE SERVICE
PRECAUTION" and "AFTER SERVICE PRECAUTION" described in this
manual.
(See BEFORE SERVICE PRECAUTION [MZI-3.7] .)
(See AFTER SERVICE PRECAUTION [MZI-3.7] .)
CAUTION:
Disconnecting/connecting quick release connector without cleaning it
may cause damage to fuel pipe and quick release connector. Always
clean quick release connector joint area before
disconnecting/connecting, and make sure that it is free of foreign
material.
RESULTS
No
No
No
Both conditions appear:
Yes
Go to Step 3.
Either or other condition appears:
Go to the next step.
Yes Go to the next step.
Immobilizer system is normal.
Yes Go to the next step.
Connect the coil connector securely.
Return to Step 2.
Yes Go to the next step.
Inspect and repair or replace the following:
ACTION
Go to Step 9.