Engine Coolant Temperature Sensor (Ect Sensor) - Suzuki Engine 2002 GRAND VITARA SQ420 Service Manual

6E1-44 ENGINE AND EMISSION CONTROL SYSTEM (G16/J20 ENGINES)

Engine coolant temperature sensor (ECT sensor)

REMOVAL
1) Disconnect negative cable from battery.
2) Drain cooling system.
3) Disconnect coupler from ECT sensor.
4) Remove ECT sensor (1) from intake manifold or water outlet
cap (3).
[A] : G16 Engine
[B] : J20 Engine
2. O-ring
INSPECTION
Immerse temperature sensing part of ECT sensor in water and
measure resistance between sensor terminals while heating
water gradually.
If measured resistance doesn't shown such characteristic as
shown, replace ECT sensor.
[A] : Resistance
[B] : Temperature
[C] : ( ) for reference