Mazda 3 Service Manual: Crank, Balancer

Engine Assembly

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Crankshaft Position (CKP) Sensor Inspection [Mzr 2.0, Mzr 2.5]

Visual Inspection CAUTION: When foreign material such as an iron chip is on the CKP sensor, it can cause abnormal output from the sensor because of flux turbulence and adversely affect ...

Other materials:

Cargo Compartment Light Inspection
1. Disconnect the negative battery cable.. 2. Remove the cargo compartment light.. 3. Verify that the continuity between the cargo compartment light terminals is as indicated in the table. If not as indicated in the table, inspect the bulb. If there is no malfunction, replace th ...

Fuel Injector Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Disconnect the fuel injector connector. 4. Inspect the resistance between fuel injector terminals A and B. Fuel injector resistance 11.4—12.6 ohms [20 °C {68 °F}] If not ...

Engine Coolant Temperature (ECT) Sensor Inspection [Mzr 2.0, Mzr 2.5]
ECT Sensor No.1 Resistance inspection WARNING: When the engine is hot, it can badly burn. Turn off the engine and wait until it is cool before removing the ECT sensor. 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Drain the engine coolant.. 4. R ...