Mazda 6 manuals

Mazda 6 Service Manual: Camshaft position (cmp) sensor inspection

Mazda 6 Service Manual / Fuel and emission control systems / Control system / Camshaft position (cmp) sensor inspection

Caution

Note

Resistance Inspection

1. Disconnect the CMP sensor connector.

2. Measure the resistance between CMP sensor terminals A and B using an ohmmeter.

Specification
400-550 ohms

Circuit Open/Short Inspection

1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION.)


2. Inspect the following wiring harnesses for open or short. (Continuity check)

Open circuit

- CMP sensor terminal A (harness-side) and PCM terminal 2M (harness-side)

- CMP sensor terminal B (harness-siede) and PCM terminal 2J (harness-side)

Short circuit

- CMP sensor terminal A (harness-side) and power supply

- CMP sensor terminal A (harness-side) and body GND

- CMP sensor terminal B (harness-side) and power supply

- CMP sensor terminal B (harness-side) and body GND

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