AIR BYPASS VALVE POSITION SENSOR INSPECTION [MZ-CD 1.6 (Y6) (EURO4 emission level)]

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Caution

• Water penetrating the connector will cause sensor malfunction. To prevent this, be careful not to damage the wiring harnesses or the waterproof connector so as to cause water penetration.

Voltage Inspection

1. Switch the ignition ON.

2. Measure the voltage between air bypass valve position sensor terminal A and body ground.

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• If it is not as specified, replace the air bypass valve and EGR throttle valve component.

Air bypass valve position sensor signal voltage (reference)

Engine speed (rpm)	Voltage (V)
KOEO	Approx. 0.86
KOER (Idle)	Approx. 2.8
KOER (2,000)	Approx. 2.8

Resistance Inspection

1. Remove the charge air cooler hose between air pipe to charge air cooler pipe. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZ-CD 1.6 (Y6)].)

2. Disconnect the air bypass valve connector.

3. Measure the resistance between air bypass valve terminals.

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• If not as specified, replace the air bypass valve and EGR throttle valve component.

Air bypass valve position sensor resistance (reference)

Terminal	Resistance (kilohm)
A—F	Approx. 81.5
B—F	Approx. 26.7
A—B	Approx. 72.6