Engine Coolant Temperature (Ect) Sensor Removal And Installation; Engine Coolant Temperature (Ect) Sensor Inspection - Suzuki GRAND VITARA 2005 Service Manual

Engine Coolant Temperature (ECT) Sensor
Removal and Installation
Removal
1) Disconnect negative cable at battery.
2) Drain cooling system referring to "Cooling System
Description: in Section 1F".
3) Disconnect ECT sensor connector (1).
4) Remove ECT sensor (1) from thermostat assembly
by removing clip (2).
Installation
Reverse removal procedure for installation noting the
following.
• Check ECT sensor O-ring for damage.
If malfunction is found, replace ECT sensor.
• Refill cooling system referring to "Cooling System
Refilling: in Section 1F".
• Check cooling system leakage referring to "Engine
Cooling System Inspection and Cleaning: in Section
1F".
Engine Coolant Temperature (ECT) Sensor
Inspection
S5JB0B1306011
1) Remove ECT sensor referring to "Engine Coolant
Temperature (ECT) Sensor Removal and
Installation: ".
2) Immerse temperature sensing part of ECT sensor in
water and measure resistance between sensor
terminal (1) and (2) while heating water gradually.
If measured resistance doesn't show such
characteristic as shown, replace ECT sensor.
1
ECT sensor resistance
Water temperature °C (°F)
I5JB0B130003-01
1
2
I5JB0B130004-01
Engine Electrical Devices:
Resistance (kΩ)
25 (77)
50 (122)
80 (176)
[A]: Resistance
[B]: Temperature
1C-8
S5JB0B1306012
2.140 – 2.364
0.770 – 0.850
0.272 – 0.288
I4SN0A132012-01