Check Harness And Connector Engine Coolant Temperature Sensor

Wire Harness Side:

ECT Sensor Connector

Coolant Temperature Sensor Aw11

Front View

Front View

ECM Connector




(a) Disconnect the B4 ECT sensor connector.

(b) Disconnect the B30 ECM connector.

(c) Measure the resistance. Standard resistance

Tester Connections

Specified Conditions

B4-2 (THW) - B30-97 (THW)

Below 1 Q

B4-1 (E2) - B30-96 (ETHW)

Below 1 Q

(d) Reconnect the ECT sensor connector.

(e) Reconnect the ECM connector.

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Do It Yourself Car Diagnosis

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