suzuki Workshop Repair Guides

Suzuki Workshop Service and Repair Manuals

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Engine Temperature Sensor: Component Tests and General Diagnostics

Engine Coolant Temp.Sensor

ENGINE COOLANT TEMPERATURE SENSOR (ECT SENSOR)

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.

Engine Coolant Temperature Meter Inspection

1. Disconnect Y/W lead wire going to sender gauge installed to thermostat case.
2. Use a bulb (12 V, 3.4 W) in position to ground wire as illustrated.
3. Turn main switch ON. Confirm that bulb is lighted with meter pointer fluctuating several seconds thereafter.

If meter does not fluctuate, replace.

Symptom Related Diagnostic Procedures|Page 235 > < Symptom Related Diagnostic Procedures