Mazda RX-8 Workshop Manual page 248

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 STATUS
3
Start the engine and warm it up
completely.
Access the ECT PID using the M-
MDS.
(See ON-BOARD DIAGNOSTIC TEST
[13B-MSP].)
Is the ECT PID more than 70 °C
{158 °F}?
INSPECT MAF SENSOR
4
Inspect the MAF sensor.
(See MASS AIR FLOW (MAF)
SENSOR INSPECTION
Is there any malfunction?
INSPECT ECT SENSOR
5
Inspect the ECT sensor.
(See ENGINE COOLANT
TEMPERATURE (ECT) SENSOR
INSPECTION
Is there any malfunction?
VERIFY TROUBLESHOOTING OF DTC P0125
6 COMPLETED
Make sure to reconnect all
disconnected connectors.
Clear the DTC from the PCM
memory using the M-MDS.
[13B-MSP].)
[13B-MSP].)
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.
YesIntermittent concern exists.
Perform the "INTERMITTENT CONCERN
TROUBLESHOOTING".
(See INTERMITTENT CONCERN
TROUBLESHOOTING
No Go to the next step.
YesReplace the MAF/IAT sensor, then go to Step
6.
(See MASS AIR FLOW (MAF)/INTAKE AIR
TEMPERATURE (IAT) SENSOR
REMOVAL/INSTALLATION
No Go to the next step.
YesReplace the ECT sensor, then go to the next
step.
(See ENGINE COOLANT TEMPERATURE
(ECT) SENSOR REMOVAL/INSTALLATION
[13B-MSP].)
No Go to the next step.
YesReplace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION [13B-
MSP].)
No Go to the next step.
[13B-MSP].)
[13B-MSP].)