Mazda Mazda6 Workshop Manual Supplement page 275

STEP
2 INSPECT POOR CONNECTION OF FUEL
TEMPERATURE SENSOR CONNECTOR
• Turn engine switch to OFF.
• Inspect for poor connection (damaged, pulled-
out terminals, corrosion, etc.).
• Is there any malfunction?
3 INSPECT FUEL TEMPERATURE SENSOR
SIGNAL CIRCUIT FOR SHORT TO POWER
• Turn engine switch to ON (Engine OFF).
• Inspect voltage between fuel temperature
sensor terminal A and body GND.
• Is voltage below 1.0 V?
4 INSPECT FUEL TEMPERATURE SENSOR
• Inspect fuel temperature sensor.
(See F2–77 FUEL TEMPERATURE SENSOR
INSPECTION)
• Is there any malfunction?
5 INSPECT POOR CONNECTION OF PCM
CONNECTOR
• Turn engine switch to OFF.
• Inspect for poor connection (damaged, pulled-
out terminals, corrosion, etc.).
• Is there any malfunction?
6 INSPECT FUEL TEMPERATURE SENSOR
CIRCUIT FOR OPEN
• Turn engine switch to OFF.
• Inspect continuity between following
harnesses:
— Fuel temperature sensor terminal A and
PCM terminal 35.
— Fuel temperature sensor terminal B and
PCM terminal 91.
• Is there continuity?
7 VERIFY TROUBLESHOOTING OF DTC P0183
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear DTC from PCM memory using WDS or
equivalent.
• Start engine.
• Is same DTC present?
8 VERIFY AFTER REPAIR PROCEDURE
• Perform "After Repair Procedure".
(See F2–86 AFTER REPAIR
• Is there any DTC present?
End Of Sie
ON-BOARD DIAGNOSTIC
INSPECTION
PROCEDURE)
Yes Repair or replace suspected terminal, go to Step 7.
No Go to next step.
Yes Go to next step.
No Repair or replace harness for short to power, go to Step 7.
Yes Repair supply pump, go to Step 7.
(See F2–54 SUPPLY PUMP
No Go to next step.
Yes Repair or replace suspected terminal, go to Step 7.
No Go to next step.
Yes Go to next step.
No Repair or replace harness for open, go to next step.
Yes Replace PCM, go to next step.
(See F2–64 PCM REMOVAL/INSTALLATION)
No Go to next step.
Yes Go to applicable DTC inspection.
(See F2–87 DTC TABLE)
No Troubleshooting completed.
ACTION
INSPECTION)
F2–123
F2