Suzuki SY413 Service Manual page 3123

6E1-90 ELECTRONIC FUEL INJECTION SYSTEM (G13/G16 ENGINE WITHOUT WU TWC)
2.297 – 2.595
0.298 – 0.320
1. ECT sensor
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
radiator 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 from thermostat case.
1. ECT sensor
2. Distributor
INSPECTION
Immerse temperature sensing part of ECT sensor in water (or ice)
and measure resistance between sensor terminals while heating
water gradually.
If measured resistance doesn't show such characteristic as
shown, replace ECT sensor.
INSTALLATION
Reverse removal procedure noting the following.
Clean mating surfaces of ECT sensor and throttle body.
Check O-ring for damage and replace if necessary.
Tighten ECT sensor to specified torque.
Tightening Torque
(a): 15 N·m (1.5 kg-m, 11.0 lb-ft)
Connect coupler to ECT sensor securely.
Refill coolant referring to Section 6B.