Mazda CX-9 Grand Touring 2009 Manual page 1221

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Verify related Service Bulletins
availability.
2
Is any related Service Bulletins
available?
VERIFY THE BRAKE PEDAL WAS
APPLIED
3
Was the brake pedal applied and
released during the KOEO self-
test?
INSPECT THE OPERATION OF
THE BLAKE/TAILLIGHT
Turn the ignition switch to the ON
position (Engine off).
4
Depress and release the brake
pedal and check the blake/taillight
operation.
Do the blake/taillight operate
correctly?
INSPECT THE CRUISE CONTROL
OPERATION
Check for cruise control
5
operation.
Does the cruise control operate
correctly?
INSPECT BRAKE SWITCH AND
PCM CONNECTOR FOR POOR
CONNECTION
Turn the ignition switch off.
Disconnect the throttle body
6
connector.
Inspect for poor connection (such
as damaged/pulled-out pins,
corrosion).
Are there any malfunction?
INSPECT BRAKE SWITCH NO.1
CIRCUIT MALFUNCTION
Turn the ignition switch to the ON
position (Engine off).
Measure the voltage between
2008 Mazda CX-9 Grand Touring
If vehicle is not repaired, go to next step.
No
Yes Go to next step.
Apply and release the brake pedal during the KORE
No
test, then go to Step 10 (See KOEO/KOER SELF
Yes Go to next step.
Repair or replace harness or blake/taillight, then go
No
Yes Go to next step.
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 next step.
Go to next step.
Perform the KOER self-test.
TEST [MZI-3.7].)
to Step 10.
Go to the next step.