Prep for Monitor
Entry
4
z
Is the IAT
within 4.4-37.8°C {40-100°F}?
{
If not within the specification, complete the
following steps but, note that step 13 will
be required to "bypass" the EVAP monitor.
the EVAP monitor will not run.
Engine warm-up and
provides IAT input to the
PCM.
HO2S
5
z
Cruise at
64 km/h {40 mph}
for up to 5 min.
Executes the HO2S
monitor.
EVAP
6
z
Cruise at
64-89 km/h
{40-55 mpr} for
10 min.
NOTE:
z
To initiate the monitor, the throttle should be at
part throttle, Evaporative Emissions Duty Cycle
must be more than 75%, and FLI must be 15-
85%, and for fuel tanks over 25 gallons Fuel
Level Indicator Input must be 30-85%.
Executes the EVAP
emission monitor.
Catalyst
7
z
Stop the vehicle and go to traffic conditions.
z
Include five different constant cruise speeds,
ranging from
32-89 km/h {20-55 mph} over a 10
min
period.
Executes the catalyst
efficiency monitor.
CCM (Engine)
8
z
Stop the vehicle.
z
Idle the engine for
2 min
with the selector lever in
the D range.
Executes the idle air
control portion of the
CCM.
CCM
(Transaxle)
9
z
Stop the vehicle.
z
In overdrive, moderately accelerate to
81 km/h
{50 mph}
and cruise for
15 s or more.
z
Stop the vehicle and repeat without overdrive to
64 km/h {40 mph}
cruising for
30 s or more.
z
While at
64 km/h {40 mph}
, activate overdrive
and accelerate to
81 km/h {50 mph}
and cruise
for
15 s or more.
z
Stop the vehicle for
20 s or more.
z
Repeat Step 9 five times.
Executes the transaxle
portion of the CCM.
Misfire and Fuel 10
z
Stop the vehicle.
z
Accelerate to
97 km/h {60 mph}.
z
Decelerate at closed throttle until reaching
64
km/h {40 mph}
(no brakes).
z
Repeat 3 times.
Allows learning for the
misfire monitor.
Readiness
11
z
Access the ON BOARD SYSTEM READINESS
to verify the OBD-II monitoring status.
{
If completed, all of the OBD-II monitoring
Determines if any
monitor has not been
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:34 AM
Page 17
© 2005 Mitchell Repair Information Company, LLC.
