Mazda CX-5 Service & Repair Manual: 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 PCM as a CMP signal.
Construction
Intake CMP sensor
-
Installed on the cylinder head.
-
A GMR element has been adopted as the detecting element for detecting the intake camshaft speed.
Exhaust CMP sensor
-
Installed on the rear housing.
-
A GMR element has been adopted as the detecting element for detecting the exhaust camshaft speed.
Operation
-
Inputs the signal, which fluctuates according to the camshaft speed, to the PCM.
CMP sensor characteristic
Fail-safe
Intake CMP sensor
|
DTC No. |
Fail-safe function |
|
P0340:00 |
|
Exhaust CMP sensor
|
DTC No. |
Fail-safe function |
|
P0365:00 |
|
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 ...
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
...
Other materials:
Heated Oxygen Sensor (HO2 S) Heater Control
Outline
Based on the control of the HO2S heater, a stabilized oxygen concentration
is detected even at low exhaust temperatures, and feedback control of fuel injection
even at cold engine start is made possible for improved cold temperature exhaust
emission performance.
Both ...
Starter Disassembly/Assembly [Skyactiv G 2.0]
1. Disassemble in the order indicated in the table.
2. Assemble in the reverse order of disassembly.
1
Magnetic switch
2
Adjustment washer
3
Rear housing
4
Brush and brush holder
...
Negative Battery Cable Disconnection/Connection [Skyactiv G 2.0]
WARNING:
Before removing the SRS air bag system-related parts, always disconnect the
negative battery cable and wait for 1 min. or more to allow the back-up power
supply to deplete its stored power..
Required procedure after negative battery cable disconnection/connection
...
