Mazda CX-9 Grand Touring 2009 Manual page 1222

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
PCM terminal 1T (wiring harness-
side) and body ground.
Verify the following values when
the brake pedal to the floor and
releasing.
7
Brake pedal fully depressed:
more than 10 V
Brake pedal fully released:
less than 1.0 V
Is the voltage normal?
INSPECT BRAKE SWITCH
Inspect the brake switch. (See
8
BRAKE SWITCH
INSPECTION .)
Is there any malfunction?
INSPECT FOR CORRECT PCM
OPERATION
Disconnect all the PCM
connectors.
Visually inspect for:
Pushed out pins
9
Corrosion
Connect all the PCM connectors
and verify that they seat correctly.
Retrieve DTCs using the M-MDS.
Is the PENDING CODE for this
DTC present?
VERIFY TROUBLESHOOTING OF
DTC P1703 HAS BEEN
COMPLETED
Verify that all disconnected
connectors reconnected.
10
Clear DTC from memory using
M-MDS.
Perform KOEO/KOER Self-Test.
Is PENDING CODE same as
DTC present?
VERIFY AFTER REPAIR
PROCEDURE
2008 Mazda CX-9 Grand Touring
No Repair or replace suspected part, then go to Step 10.
Yes Repair or replace suspected part, then go to Step 10.
No
Yes Go to the next step.
No The system is correctly. Go to the next step.
Replace the PCM, then go to next step. (See PCM
Yes
REMOVAL/INSTALLATION [MZI-3.7] .)
No
Go to the next step.
Go to next step.