Fuel Temperature Sensor Inspection - Mazda Mazda6 Workshop Manual Supplement

FUEL TEMPERATURE SENSOR INSPECTION

Note
• Perform the following test only when directed.
Resistance Inspection
1. Disconnect the negative battery cable.
2. Remove the supply pump. (See
3. Measure the resistance between the fuel
temperature sensor terminals using an
ohmmeter.
• If not as specified, repair the supply pump.
(See F2–54 SUPPLY PUMP
Specification
Ambient temperature (°C
{°F})
20 {68}
Circuit Open/Short Inspection
1. Inspect for open/short circuit in the following
wiring harnesses.
• If there is open/short circuit, repair or replace wiring harness.
Open circuit
• Signal circuit
— Fuel temperature sensor terminal A and PCM terminal 35
• GND circuit
— Fuel temperature sensor terminal B and PCM terminal 91
Short circuit
• Signal circuit
— Fuel temperature sensor terminal A and PCM terminal 35 to power circuit
— Fuel temperature sensor terminal A and PCM terminal 35 to GND
End Of Sie
CONTROL SYSTEM
F2–53 SUPPLY PUMP
INSPECTION.)
Resistance (kilohm)
2.0—3.0
REMOVAL/INSTALLATION.)
B
A6E404013350201
A
A6E40702047
F2–77
F2