Control Relay And Fuel Pump Relay Continuity Check; Intake Air Temperature Sensor Check; Engine Coolant Temperature Sensor; Check - Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement

13D-86
Fuel pump relay
Control relay
Equipment side connector
Intake air temperature
sensor
Engine coolant
temperature sensor
MPI -
On-vehicle Service
CONTROL RELAY AND FUEL PUMP RELAY
CONTINUITY CHECK
Equipment side
Battery voltage
connector
Not supplied
Supplied

INTAKE AIR TEMPERATURE SENSOR CHECK

Air flow sensor
1. Disconnect the air flow sensor connector.
2. Measure resistance between terminals 5 and 6.
3. Measure resistance while heating the sensor using a hair
4. If the value deviates from the standard value or the

ENGINE COOLANT TEMPERATURE SENSOR

CHECK

Caution
Be careful not to touch the connector (resin section) with
the tool when removing and installing.
1. Remove the engine coolant temperature sensor.
2. With temperature sensing portion of engine coolant
3. If the resistance deviates from the standard value greatly,
Terminal No.
1
Standard value:
2.3 - 3.0 kW (at 20_C)
0.30 - 0.42 kW (at 80_C)
drier.
Normal condition:
Temperature (_C)
Higher
resistance remains unchanged, replace the air flow sensor
assembly.
temperature sensor immersed in hot water, check
resistance.
Standard value:
2.1 - 2.7 kW (at 20_C)
0.26 - 0.36 kW (at 80_C)
replace the sensor.
2 3 4
Resistance (kW)
Smaller