Mazda 2: Engine Coolant Temperature (ECT) Sensor

Mazda 2 2007-2014 Service Manual / Engine / Control System / Engine Coolant Temperature (ECT) Sensor

ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION

WARNING:

ECT Sensor No.1 Removal/Installation

1. Disconnect the negative battery cable.

2. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT).

3. Remove the battery. (See BATTERY REMOVAL/INSTALLATION).

4. Disconnect the ECT sensor No.1 connector.

5. Remove the ECT sensor No.1 using the SST.

Mazda 2. ENGINE COOLANT TEMPERATURE (ECT) SENSOR

6. Install in the reverse order of removal.

7. Refill the engine coolant. (See ENGINE COOLANT REPLACEMENT).

ECT Sensor No.2 Removal/Installation

1. Disconnect the negative battery cable.

2. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT).

3. Disconnect the ECT sensor No.2 connector.

4. Remove the ECT sensor No.2 using the SST.

Mazda 2. ENGINE COOLANT TEMPERATURE (ECT) SENSOR

5. Install in the reverse order of removal.

6. Refill the engine coolant. (See ENGINE COOLANT REPLACEMENT).

ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION

WARNING:

ECT Sensor No.1 Inspection

1. Disconnect the negative battery cable.

2. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS).

3. Remove the battery. (See BATTERY REMOVAL/INSTALLATION).

4. Disconnect the ECT sensor No.1 connector.

5. Remove the ECT sensor No.1. (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION).

6. Place the ECT sensor No.1 in water with a thermometer, and heat the water gradually.

7. Measure the resistance between the ECT sensor No.1 terminals using an ohmmeter.

Mazda 2. ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION

ECT sensor No.1 specification

Mazda 2. ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION

ECT Sensor No.2 Inspection

1. Disconnect the negative battery cable.

2. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS).

3. Disconnect the ECT sensor No.2 connector.

4. Remove the ECT sensor No.2. (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION).

5. Place the ECT sensor No.2 in water with a thermometer, and heat the water gradually.

6. Measure the resistance between the ECT sensor No.2 terminals using an ohmmeter.

Mazda 2. ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION

ECT sensor No.2 specification

Mazda 2. ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION

READ NEXT:

 Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor

MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR REMOVAL/INSTALLATION CAUTION: Neither the MAF nor the IAT sensor cannot be removed as a single unit. When replacing the MAF or IAT sensor,

 Manifold Absolute Pressure (MAP) Sensor

MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR REMOVAL/INSTALLATION 1. Disconnect the negative battery cable. 2. Remove the fresh-air duct and the air cleaner as a single unit. (See INTAKE-AIR SYSTEM REMOV

 Air Fuel Ratio (A/F) Sensor

AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION WARNING: A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust syst

SEE MORE:

 Intermittent Concern Troubleshooting

Vibration Method 1. If malfunction occurs or becomes worse while driving on a rough road or when engine is vibrating, perform the steps below. NOTE: There are several reasons vehicle or engine vibration could cause an electrical malfunction. Some of the things to inspect for are: Connectors no

 Laser Sensor

The Smart City Brake Support (SCBS) laser sensor is installed at the top of the windscreen near the rearview mirror. Always keep the surface of the windscreen around the laser sensor clean to assure proper operation of the Smart City Brake Support (SCBS) system. WARNING As there is the

© 2016-2020 Copyright www.m2info.net