Mazda RX-8 Workshop Manual page 592

INSPECT PCM CONNECTOR FOR POOR CONNECTION
4
Turn the ignition switch off.
Disconnect the PCM connector.
Inspect for poor connection (such as
damaged/pulled-out pins, and corrosion).
Is there any malfunction?
INSPECT VDI SOLENOID VALVE CONTROL CIRCUIT FOR
5
SHORT TO POWER SUPPLY
VDI solenoid valve and PCM connectors are
disconnected.
Turn the ignition switch to the ON position
(engine off).
Measure the voltage between VDI solenoid
valve terminal B (wiring harness-side) and
body ground.
Is the voltage B+?
VERIFY TROUBLESHOOTING OF DTC P0077 COMPLETED
6
Make sure to reconnect all disconnected
connectors.
Clear the DTC from the PCM memory using the
M-MDS.
(See AFTER REPAIR PROCEDURE
Start the engine and warm it up completely.
Race the engine above 7,650 rpm or more.
Is the PENDING CODE same as the DTC
present?
VERIFY AFTER REPAIR PROCEDURE
7
Perform the "AFTER REPAIR PROCEDURE".
(See AFTER REPAIR PROCEDURE
Are any DTCs present?
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[13B-MSP].)
[13B-MSP].)
© 2011 Mazda North American Operations, U.S.A.
YesRepair or replace the connector and/or terminals,
then go to Step 6.
No Go to the next step.
YesRepair or replace the wiring harness for a possible
short to power supply, then go to the next step.
No Go to the next step.
YesReplace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION
No Go to the next step.
YesGo to the applicable DTC inspection.
(See DTC TABLE [13B-MSP].)
No DTC troubleshooting completed.
[13B-MSP].)
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