Mazda RX-8 Manual page 626

Diagnostic procedure
STEP INSPECTION
VERIFY FREEZE FRAME DATA HAS
BEEN RECORDED
1
Has FREEZE FRAME DATA
•
been recorded?
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
Verify related Service Bulletins
•
2
and/or on-line repair information
availability.
Is any related repair information
•
available?
VERIFY RELATED PENDING CODE
OR STORED DTC
Turn the ignition switch off, then
•
3
to the ON position (Engine off).
Verify the related PENDING
•
CODE or stored DTCs.
Are other DTCs present?
•
INSPECT MAF/IAT SENSOR
CONNECTOR FOR POOR
CONNECTION
Turn the ignition switch off.
•
Disconnect the MAF/IAT sensor
•
4
connector.
Inspect for poor connection (such
•
as damaged/pulled-out pins,
corrosion).
Is there any malfunction?
•
INSPECT IAT SENSOR
5
Inspect the IAT sensor.
•
ACTION
Yes Go to the next step.
Record the FREEZE FRAME DATA on the repair
No
order, then go to the next step.
Perform repair or diagnosis according to the available
repair information.
Yes
If the vehicle is not repaired, go to the next step.
•
No Go to the next step.
Go to the appropriate DTC inspection.
Yes
(See DTC TABLE .)
No Go to the next step.
Yes Repair or replace the terminal, then go to Step 7.
No Go to the next step.
Replace the MAF/IAT sensor, then go to Step 7.
Yes (See MASS AIR FLOW (MAF)/INTAKE AIR
TEMPERATURE (IAT) SENSOR
REMOVAL/INSTALLATION .)
(w) Engine Diagnostics & Control
Page 63