Mazda CX-9 Grand Touring 2009 Manual page 1074

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
available?
INSPECT CV SOLENOID VALVE
CONNECTOR FOR POOR
CONNECTION
Turn the ignition switch off.
Disconnect CV solenoid valve
3
connector.
Inspect for poor connection (such as
damaged/pulled-out pins,
corrosion).
Are there any malfunction?
INSPECT POWER SUPPLY
CIRCUIT FOR OPEN CIRCUIT
Turn the ignition switch to the ON
position (Engine off).
4
Measure voltage between CV
solenoid valve terminal A and body
ground.
Is voltage B+ ?
INSPECT CV SOLENOID VALVE
CONTROL CIRCUIT FOR SHORT
TO POWER SUPPLY
Turn the ignition switch to the ON
5
position (Engine off).
Measure the voltage between CV
solenoid valve control terminal B
and body ground.
Is voltage B+?
INSPECT CV SOLENOID VALVE
CONTROL CIRCUIT FOR SHORT
TO GROUND
Turn the ignition switch off.
6
Inspect for continuity between CV
solenoid valve control terminal B
and body ground.
Is the continuity?
INSPECT PCM CONNECTOR FOR
POOR CONNECTION
Turn the ignition switch off.
2008 Mazda CX-9 Grand Touring
No
Repair or replace suspected part, then go to Step
Yes
10.
No
Yes Go to the next step.
Repair or replace suspected part, then go to Step
No
Repair or replace suspected part, then go to Step
Yes
10.
No
Repair or replace suspected part, then go to the
Yes
Step 10.
No
Repair or replace suspected part, then go to Step
Yes
10.
Go to the next step.
Go to the next step.
10.
Go to the next step.
Go to the next step.