Purge Solenoid Valve - Mazda 3 Workshop Manual

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
• Verify related service repair information
2
availability.
• Is any related repair information
available?
CLASSIFY OPEN CIRCUIT OR SHORT
TO GROUND MALFUNCTION
• Disconnect purge solenoid valve tube
that is connected to intake manifold.
• Connect vacuum pump to purge
3
solenoid valve.
• Pump vacuum pump several times and
stop.
• Wait a few seconds.
• Is vacuum maintained?
INSPECT PASSAGE CONTROL OF

PURGE SOLENOID VALVE

• Turn the ignition switch off.
• Disconnect purge solenoid valve
4
connector.
• Pump vacuum pump several times and
wait a few seconds.
• Is vacuum maintained?
INSPECT PURGE SOLENOID VALVE
CONNECTOR FOR POOR
CONNECTION
• Turn the ignition switch off.
5
• Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
• Is there malfunction?
INSPECT PURGE SOLENOID VALVE
• Perform purge solenoid valve
inspection.
6
(See PURGE SOLENOID VALVE
INSPECTION)
• Is purge solenoid valve normal?
INSPECT PURGE SOLENOID VALVE
7 POWER SUPPLY CIRCUIT FOR OPEN
CIRCUIT
Downloaded from
Yes
No Go to the next step.
Yes Go to Step 5.
No Go to the next step.
Yes
No
Yes Repair or replace the terminal, then go to Step 10.
No Go to the next step.
Yes Go to the next step.
No
Yes Go to the next step.
No
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Perform repair or diagnosis according to the
available repair information.
• If the vehicle is not repaired, go to the next step.
Repair or replace wiring harness for short to
ground, then go to Step 10.
Replace the purge solenoid valve, then go to Step
10.
Replace the purge solenoid valve, then go to Step
10.
Repair or replace the wiring harness for open
circuit, then go to Step 10.
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