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Mazda CX-5 Service & Repair Manual: Camshaft Position (CMP) Sensor Inspection

Mazda CX-5 Service & Repair Manual / Engine / Control / Camshaft Position (CMP) Sensor Inspection

Intake CMP Sensor

Visual inspection

CAUTION:

1. Remove the intake CMP sensor..

2. Verify that there are no metal shavings on the intake CMP sensor.

Voltage inspection

CAUTION:

1. Idle the engine.

2. Measure the intake CMP sensor output voltage using the oscilloscope.



Terminal

Voltage (V)

Condition

A

Above 4.8

High output*

Below 0.8

Low output*

B

Below 1.0

Under any condition

C

B+

Under any condition


* Output voltage varies with camshaft rotation.

Exhaust CMP Sensor

Visual inspection

CAUTION:

1. Remove the exhaust CMP sensor..

2. Verify that there are no metal shavings on the exhaust CMP sensor.

Voltage inspection

CAUTION:

1. Idle the engine.

2. Measure the exhaust CMP sensor output voltage using the oscilloscope.



Terminal

Voltage (V)

Condition

A

Above 4.8

High output*

Below 0.8

Low output*

B

Below 1.0

Under any condition

C

B+

Under any condition


* Output voltage varies with camshaft rotation.

Air Fuel Ratio (A/F) Sensor
Purpose/Function Detects the oxygen concentration (all-range air/fuel ratio) in the exhaust gas as basic information for mainly determining the fuel injection amount. Detects the oxy ...

Camshaft Position (CMP) Sensor Removal/Installation
CAUTION: When replacing the CMP sensor, make sure there is no foreign material on it such as metal shavings. If it is installed with foreign material, the sensor output signal will malfu ...

Other materials:

PID/Data Monitor Inspection [Blind Spot Monitoring (Bsm)]
1. Connect the M-MDS to the DLC-2. 2. After the vehicle is identified, select the following items from the initialization screen of the M-MDS. a. Select “DataLogger”. b. Select “Modules”. c. Select “BSML” or “BSMR”. 3. Select the applicable PID from the PID table. 4. Ve ...

A/C Unit Disassembly/Assembly
1. Disassemble in the order indicated in the table. CAUTION: If a non-specified grease is used, it may result in abnormal noise or improper operation of the links. Apply only the specified grease to each link. 2. Assemble in the reverse order of disassembly. ...

Passenger Compartment Temperature Sensor [Full Auto Air Conditioner]
Purpose The passenger compartment temperature sensor detects the cabin temperature. Function The passenger compartment temperature sensor converts the detected temperature to an electric signal. Construction A thermistor-type passenger compartment temperature sens ...

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