Air Bypass Solenoid Valve - Mazda 121 Workshop Manual

AIR BYPASS CONTROL SYSTEM
F
AIF SYPASS SOLENOID AIF BYPASS SOLENOID
AIR BYPASS SOLENOID
VALVE @
DISTFIBUTOR
AIB aYPASS SOLENOTD
VALVE @, @, @
Inspeclion lor contlnuhy
1. Disconnect each air bypass solenoid valve connector.
2. Inspect for continuity between the solenoid valve connec-
tor terminals.
3. Replace the air bypass solenoid valve if not as speciiied.
Inspection tor Airllow
1. Inspect air bypass solenoid valve @.
1) Remove the air cleaner.
2) Close the bypass air passage with tape.
3) Disconnect the bypass air hose lrom the air bypass sole
noid valve @ as shown in the figure.
4) Verifythat no airflowsthrough air bypass solenoid valve
@ when blowing air lighty into the air bypass hose.
5) Turn the ignition switch ON.
6) Ground the termlnal @ as shown in the flgure.
4 Verify that air flows through air bypass solenoid valve @
when blowing air into the air bypass hose.
2. Inspect air bypass solenoid vaive @, O
1) Bemove air bypass solenoid vdve @ or @.
2) Blow through the valve ffom port @ and verify that no
air comes out of port @.
3) Apply 12V to the solenoid valve connector.
4) Blow through the valve from port @ and verify that air
comes out oi port @.
Adiustment (idle-up speed)
Reler to page F-64.
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