FUEL TEMPERATURE SENSOR INSPECTION [MZR-CD (RF Turbo)]

Note

• Perform the following test only when directed.

Resistance Inspection

1. Disconnect the negative battery cable.

2. Remove the supply pump. (See SUPPLY PUMP REMOVAL/INSTALLATION [MZR-CD (RF Turbo)].)

3. Measure the resistance between the fuel temperature sensor terminals using an ohmmeter.

• If not as specified, repair the supply pump. (See SUPPLY PUMP INSPECTION [MZR-CD (RF Turbo)].)

Specification

Ambient temperature (°C {°F})	Resistance (kilohm)
20 {68}	2.0-3.0

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