Suzuki Liana RH413, Service Manual

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Engine Electrical Devices: 1C-4
Installation
Reverse removal procedure noting the following.
• Clean mating surface of IAT sensor and air cleaner
case (2).
• Connect IAT sensor connector (1) securely.
Intake Air Temperature (IAT) Sensor Inspection
S3RH0A1306012
Immerse temperature sensing part of lAT sensor (1) in
water (or ice) and measure resistance between sensor
terminals while heating water gradually.
If measured resistance doesn’t show such characteristic
as shown in the figure, replace lAT sensor.
Engine Coolant Temperature (ECT) Sensor
Removal and Installation
S3RH0A1306014
Removal
1) Disconnect negative cable from battery.
2) Drain coolant referring to “Cooling System Flush and
Refill in Section 1F”.
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 pressure if cap is taken off too soon.
3) Remove air intake pipe.
4) Disconnect connector from ECT sensor (1).
5) Remove ECT sensor from thermostat case.
Installation
Reverse removal procedure noting the following.
• Clean mating surfaces of sensor and thermostat case.
• Check O-ring for damage and replace, if necessary.
• Tighten ECT sensor to specified torque referring to
“Cooling System Components in Section 1F”.
• Connect connector to sensor securely.
• Refill cooling system.
1
2
I2RH0B130007-01
I3RH0A130003-01
1
I2RH0B130008-01