Mazda RX-8 Workshop Manual page 420

While performing this step with vehicle
driving, always operate the vehicle in a
safe and lawful manner.
When the M-MDS is used to observe
monitor system status while driving, be
sure to have another technician with
you, or record the data in the M-MDS
using the PID/DATA MONITOR AND
RECORD function and inspect later.
Access the following PIDs using the M-
MDS under the FREEZE FRAME DATA
(Mode 2) condition:
(See ON-BOARD DIAGNOSTIC TEST
[13B-MSP].)
Are the PIDs normal?
(See PCM INSPECTION
INSPECT A/F SENSOR
8
Inspect the A/F sensor.
(See AIR FUEL RATIO (A/F) SENSOR
INSPECTION
Is there any malfunction?
APP
ECT
MAF
TP REL
VSS
[13B-MSP].)
[13B-MSP].)
No Repair or replace the malfunctioning part
according to the inspection results, then
go to Step 17.
YesInspect the following:
Loose installation of A/F
sensor
Exhaust gas leakage
between exhaust
manifold and A/F sensor
If there is no malfunction detected,
replace the A/F sensor.
(See AIR FUEL RATIO (A/F) SENSOR
REMOVAL/INSTALLATION
If there is a malfunction detected, repair
or replace the malfunctioning part
according to the inspection results.
Go to Step 17.
No Go to the next step.
[13B-MSP].)