Mazda CX-5 Service & Repair Manual: Ion Sensor Inspection
DTC Inspection
1. Connect the M-MDS to the DLC?2.
2. Perform the DTC inspection using the M-MDS..
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If any DTC related to the ignition coil/ion sensor is present, repair the malfunctioning location according to the applicable DTC troubleshooting..
Visual Inspection
NOTE:
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Because the ion sensor is integrated in the ignition coil, replacing the ion sensor includes replacement of the ignition coil/ion sensor.
1. Disconnect the negative battery cable..
2. Remove the plug hole plate..
3. Remove the ignition coil/ion sensor..
4. Verify that there is no damage to the ignition coil/ion sensor, and no corrosion and damage to the connector.
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If there is a malfunction, replace the ignition coil/ion sensor..
Inspection Of SST (Deployment Tool) [Two Step Deployment Control System]
1. Before using the SST (49 H066 002), inspect its operation.
Inspection Procedure
1. Follow the steps below to inspect the SST (49 H066 002).
If not as indicated in the table, repl ...
Ion Sensor
Purpose/Function
Detects ion generation in the combustion chamber for detecting pre-ignition.
Detects ions which occur due to fuel combustion as current by applying bias
voltage to t ...
Other materials:
Refrigerant Pressure Sensor Inspection [Full Auto Air Conditioner]
1. Install the manifold gauge.
2. Verify the high-pressure side reading of the manifold gauge.
3. Measure the terminal voltage at PCM terminal 2BB, 2AX and 2AJ
4. Using the graph below, measure and verify the terminal voltages at 2AX.
5. Follow the PCM inspection when measuring the other te ...
Refrigerant Charging
CAUTION:
Do not use a different type of refrigerant or charge beyond the specified
level. Otherwise, cooling ability will be lowered and the A/C compressor could
be damaged.
Charging Recycled HFC-134a Refrigerant
1. Connect an HFC-134a recovery/recycling/recharging device to the ...
Positive Crankcase Ventilation (PCV) Valve
Purpose, Function
Prevents release of blow-by gas (unburnt gas) into the atmosphere.
The PCV valve is open/closed by the intake manifold vacuum.
Construction
The PCV valve is installed to the oil separator.
The PCV valve consists of a spring and valve.
...
