Mazda 6 Service Manual: 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 sure there is no foreign material on the CMP sensor when replacing.
Note
- Perform the following inspection only when directed.
Resistance Inspection
1. Disconnect the CMP sensor connector.
2. Measure the resistance between CMP sensor terminals A and B using an ohmmeter.
- If not as specified, replace the CMP sensor.
- If CMP sensor resistance is okay, perform the Circuit Open/Short Inspection.
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
- If there is no continuity, the circuit is open. Repair or replace the harness.
- 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
- If there is continuity, the circuit is shorted. Repair or replace the harness.
- 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
Crankshaft position (ckp) sensor removal/installation
Removal
1. Perform the following procedure to making the working space.
(1) Remove the Front wheel (RH).
(2) Remove the splash shield.
2. Disconnect the CKP sensor connector.
3. Remove the ...
Knock sensor inspection
Note
Perform the following test only when directed.
Resistance Inspection
1. Turn the ignition switch to LOCK.
2. Disconnect the knock sensor connector.
3. Measure the resistance between the ...
Other materials:
Mazda 6 Service Manual: Owner Maintenance Precautions
The owner or a qualified service technician should make these vehicle inspections
at the indicated intervals to ensure safe and dependable operation.
Bring any problem to the attention of an Authorized Mazda Dealer or qualified
service technician as soon as possible.
At Least Twice a Year (For ...
Mazda 6 Service Manual: Front fog light aiming
1. Adjust the tire air pressure to the specification.
2. Position the unloaded vehicle on a flat, level surface.
3. Seat one person in the drivers seat.
4. Position the vehicle 3 m {10 ft} in front of a white screen.
5. While adjusting one fog light, mask the other.
6. Start the engine to cha ...