Mazda Mazda6 - Fuel Temperature Sensor Inspection

CONTROL SYSTEM
F2–77
F2
FUEL TEMPERATURE SENSOR INSPECTION
A6E404013350201
Note
• Perform the following test only when directed.
Resistance Inspection
1. Disconnect the negative battery cable.
2. Remove the supply pump. (See F2–53 SUPPLY PUMP REMOVAL/INSTALLATION.)
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 INSPECTION.)
Specification
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
Ambient temperature (°C
{°F})
Resistance (kilohm)
20 {68} 2.0—3.0
A
B
A6E40702047