disconnected.
z
Turn the ignition switch to the ON
position (Engine running).
z
With the engine running,
determine if the generator is still
noisy.
z
Does the noise remain constant
when the terminal B is
disconnected?
5
INSPECT CMP SENSOR (LH)
CONNECTOR FOR POOR
CONNECTION
z
Turn the ignition switch off.
z
Disconnect the CMP sensor (LH)
connector.
z
Inspect for poor connection (such
as damaged/pulled-out pins,
corrosion).
z
Are there any malfunction?
Yes
Repair or replace suspected part, then go
to Step 11.
No
Go to the next step.
6
INSPECT CMP SENSOR SIGANAL
CIRCUIT FOR SHORT TO POWER
SUPPLY
z
Turn the ignition switch to the ON
position (Engine off).
z
Measure voltage between CMP
sensor (LH) terminal A (wiring
harness-side) and body ground.
z
Is the voltage
B+
?
Yes
Repair or replace suspected part, then go
to Step 11.
No
Go to the next step.
7
INSPECT CMP SENSOR (LH)
SIGNAL CIRCUIT FOR SHORT TO
GROUND
z
Turn the ignition switch off.
z
Check continuity between CMP
sensor (LH) terminal A and body
ground.
z
Is there continuity?
Yes
Repair or replace suspected part, then go
to Step 11.
No
Go to the next step.
8
INSPECT PCM CONNECTOR FOR
POOR CONNECTION
z
Turn the ignition switch off.
Yes
Repair or replace suspected part, then go
to Step 11.
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:32 AM
Page 199
© 2005 Mitchell Repair Information Company, LLC.