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 (RH)
CONNECTOR FOR POOR
CONNECTION
z
Turn the ignition switch off.
z
Disconnect the CMP sensor (RH)
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
(RH) 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 (RH) SIGNAL
CIRCUIT FOR SHORT TO GROUND
z
Turn the ignition switch off.
z
Check continuity between CMP sensor
(RH) 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.
z
Disconnect PCM connector.
z
Check for poor connection (such as
damaged, pulled-out pins, and
corrosion).
z
Are there any malfunction?
Yes
Repair or replace suspected part, then go to Step
11.
No
Go to the next step.
INSPECT CMP SENSOR (RH) CIRCUIT
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:37 AM
Page 177
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