Suzuki WagonR+ RB310 Service Manual page 2615

6E-28 ENGINE AND EMISSION CONTROL SYSTEM
2.297 – 2.595
0.298 – 0.320
ENGINE COOLANT TEMPERATURE SENSOR
(ECT SENSOR)
Removal
1) Disconnect battery negative cable at battery.
2) Drain coolant referring to Section 6B.
WARNING:
To help avoid danger of being burned, do not remove ra-
diator cap while engine and radiator are still hot.
Scalding fluid and steam can be blown out under pres-
sure if cap is taken off too soon.
3) Disconnect coupler from ECT sensor.
4) Remove ECT sensor (1) from thermostat case.
Inspection
Immerse temperature sensing part of ECT sensor (1) in water (or
ice) and measure resistance between terminal "A" and "B" while
heating water gradually.
If measured resistance doesn't show such characteristic as shown
in left figure, replace ECT sensor (1).
Installation
Reverse removal procedure noting the following:
D Clean mating surfaces of ECT sensor (1) and thermostat case.
D Check O-ring for damage and replace if necessary.
D Tighten ECT sensor (1) to specified torque.
Tightening Torque
.
(a): 15 N m (1.5 kg-m, 11.5 lb-ft)
D Connect coupler to ECT sensor (1) securely.
D Refill coolant referring to Section 6B.