Mazda 6 manuals

Mazda 6 Service Manual: Knock sensor inspection

Note

Resistance Inspection

1. Turn the ignition switch to LOCK.

2. Disconnect the knock sensor connector.

3. Measure the resistance between the knock sensor terminals A and B using an ohmmeter.

Specification
Approx. 4.87 megohms

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

- Knock sensor terminal A (harness-side) and PCM terminal 2S (harness-side)

- Knock sensor terminal B (harness-side) and PCM terminal 2P (harness-side)

Short circuit

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

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

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

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

Camshaft position (cmp) sensor inspection
Caution When foreign material such as an iron chip is on the CMP sensor, it can cause abnormal output from the sensor because of flux turbulence and adversely affect the engine control. Be s ...

Knock sensor removal/installation
1. Remove the intake manifold. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.) 2. Remove the knock sensor attachment bolt to remove the knock sensor. 3. Install in the reverse order of removal. ...

Other materials:

Mazda 6 Service Manual: Speedometer, Odometer, Trip Meter and Trip Meter Selector (Without Multiinformation Display)
The speedometer indicates the speed of the vehicle. The display mode can be changed from odometer to trip meter A to trip meter B and then back to odometer by pressing the selector while one of them is displayed. The selected mode will be displayed. Odometer The odometer records the total d ...

Mazda 6 Service Manual: Outside the United States/Canada
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