Mazda CX-5 Service & Repair Manual: Purge Solenoid Valve
Purpose, Function
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Introduces evaporative gas absorbed by the charcoal canister to the intake manifold.
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The purge solenoid valve opens according to the control signal from the PCM.
Construction
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The purge solenoid valve is installed in the engine compartment.
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The purge solenoid valve consists of a coil, spring, and plunger.
Operation
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According to the control signal from the PCM, the coil is energized and the plunger is operated to open/close the purge solenoid valve.
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When the purge solenoid valve is open, evaporative gas flows from the charcoal canister to the intake manifold side.
Purge solenoid valve open/closed view
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For evaporative purge control details, refer to CONTROL SYSTEM..
Fail-safe
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Function not equipped.
Purge Solenoid Valve Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the plug hole plate..
3. Remove the air cleaner and air hose as a single unit..
4. Disconnect the high pressure fuel pump connector.
5. Dis ...
Quick Release Connector (Emission System) Removal/Installation
Quick Release Connector Type and Position
CAUTION:
Verify the type and location, and install/remove properly.
U.S.A. and CANADA
Except U.S.A. and CANADA
Type A Removal
CAUTIO ...
Other materials:
Front ABS Wheel Speed Sensor Removal/Installation
1. Remove the mudguard..
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
4. After installation, verify that there is no twisting in the front ABS wheel-speed
sensor.
1
Connector
2
Bolt
...
Heated Oxygen Sensor (HO2 S) Inspection
HO2S Inspection
1. Connect the M-MDS to the DLC?2.
2. Switch the ignition ON (engine on).
3. Warm up the engine to normal operating temperature.
4. Access the following PIDs using the M-MDS..
VSS (Vehicle speed)
RPM (Engine speed)
O2S12 (HO2S output voltage)
5. D ...
Fuel Injection Control System
Outline
Performs optimum fuel injection according to engine operation conditions.
The PCM determines the engine operation conditions based on the signals from
each input device and drives the fuel injectors at the optimal fuel injection
time (fuel injection amount) and the fuel ...
