Mazda CX-5 Service & Repair Manual: Crankshaft Position (CKP) Sensor Inspection
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 the engine control. Be sure there is no foreign material on the CKP sensor when replacing.
-
Do not assemble the CKP sensor or change the installation position using any method other than the following. Otherwise, it could negatively affect engine controls, such as the ignition timing and fuel injection.
1. Remove the CKP sensor..
2. Verify that there are no metal shavings on the sensor.
-
If there is a malfunction, remove any metal shavings that are adhering.
Voltage 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 the engine control. Be sure there is no foreign material on the CKP sensor when replacing.
-
Do not assemble the CKP sensor or change the installation position using any method other than the following. Otherwise, it could negatively affect engine controls, such as the ignition timing and fuel injection.
-
If the wiring harnesses or waterproof connectors are damaged, water penetrating the connector will cause a sensor malfunction. To prevent this, be careful not to damage wiring harnesses or waterproof connectors.
1. Idle the engine.
2. Measure the CKP sensor output voltage using the oscilloscope.
-
If not as specified, replace the CKP sensor..
|
Terminal |
Voltage (V) |
Condition |
|
A |
Approx. 5.0 |
Under any condition |
|
B |
Below 1.0 |
Under any condition |
|
C |
Above 4.5 |
High output* |
|
Below 0.8 |
Low output* |
* Output voltage varies with crankshaft rotation.
Camshaft Position (CMP) Sensor
Purpose/Function
Detects the camshaft speed as basic information for mainly determining the
fuel injection timing and ignition timing.
Detects the camshaft speed and inputs it to the ...
Crankshaft Position (CKP) Sensor Removal/Installation
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
the engine control. ...
Other materials:
Seat Track Position Sensor [Two Step Deployment Control System]
Purpose
The seat track position sensor detects the front and back positions of the
driver seat.
Function
The seat track position sensor converts the seat position into an electrical
signal and sends it to the SAS control module.
Construction
The seat track posi ...
Steering Column And Shaft
Purpose/Function
The steering input force, generated when the driver operates the steering
wheel, is transmitted to the steering gear.
Construction
The steering column and shaft consists of the steering column with a built-in
EPS mechanism and the intermediate shaft.
...
Lubrication System
Outline
Pressure loss is reduced by optimizing the oil passage.
With the adoption of the chain drive type oil pump, oil pump drive force
has been reduced.
With the adoption of the oil shower pipe, sliding resistance has been reduced.
With the adoption of the engine ...
