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Home >> Mazda >> 1995 >> MPV 4WD V6-3.0L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Idle/Throttle Speed Control Unit >> Testing and Inspection
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Idle/Throttle Speed Control Unit: Testing and Inspection


INSPECTION




Air valve
1. Disconnect the air hoses from the air funnel.
2. Blow through the BAC valve from port (A) and check the air flow.

Cold engine: Air flows
Warm engine: Air does not flow

3. Replace if necessary.




Idle air control valve
1. Disconnect the BAC valve connector.
2. Connect an ohmmeter to the BAC valve terminals.
3. Check the resistance.

Resistance: 10.7-12.3 ohms at 20 °C (68°F)

4. Replace if necessary.
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