Mazda RX-8 Workshop Manual page 201

STEP
VERIFY FREEZE FRAME DATA (MODE 12)
1 HAS BEEN RECORDED
Has the FREEZE FRAME
DATA (Mode 12) been
recorded?
VERIFY RELATED REPAIR INFORMATION
2 AVAILABILITY
Verify related Service
Bulletins and/or on-line repair
information availability.
Is any related repair
information available?
VERIFY CURRENT INPUT SIGNAL
3 STATUS
Start the engine.
Access the TP REL and MAF
PIDs using the M-MDS.
(See
DIAGNOSTIC TEST [13B-
MSP].)
Read the MAF PID when the
TP REL PID is more than 50
%.
Is the MAF PID less than 9
g/s {1.2 lb/min}?
VERIFY CURRENT INPUT SIGNAL
4
STATUS
Start the engine.
Access the ECT, RPM and
MAF PIDs using the M-MDS.
(See
DIAGNOSTIC TEST [13B-
MSP].)
Warm-up the engine until the
ECT PID is more than 70 °C
{158 °F}.
Read the MAF PID when the
RPM PID is less than 2,000
rpm.
INSPECTION
ON-BOARD
ON-BOARD
YesGo to the next step.
No Record the FREEZE FRAME DATA (Mode 12) on the
repair order, then go to the next step.
YesPerform repair or diagnosis according to the
available repair information.
If the vehicle is not repaired, go to
the next step.
No Go to the next step.
YesVerify that the TP REL PID changes smoothly while
gradually opening throttle valve.
If it changes smoothly, go to Step
5.
If it does not change smoothly,
replace the throttle body and go to
Step 5.
(See INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION [13B-
MSP].)
No Go to the next step.
YesGo to Step 6.
No Intermittent concern exists.
Perform the "INTERMITTENT CONCERNS
TROUBLESHOOTING".
(See INTERMITTENT CONCERN
TROUBLESHOOTING
ACTION
[13B-MSP].)