Set manifold gauge set

Connector "A" Connector "B"

I03801

Tester connection

Condition

Specified condition

A2 - Ground

Constant

No voltage

Engine speed at idle - up speed

Below 0.7 V

A3 - Ground

Refrigerant pressure 196 - 3,140 kPa

Battery positive voltage

Refrigerant pressure less than 196 kPa or more than 3,140 kPa

No voltage

A9 - Ground

Magnetic clutch is engaged

Below 1.0 V

Magnetic clutch is not engaged

No voltage

A13 - Ground

Engine coolant temperature at below 90 °C (203 °F)

Below 1.5 V

Engine coolant temperature at above 90 °C (203 °F)

Battery positive voltage

A14 - Ground

Magnetic clutch is engaged

Battery positive voltage

Magnetic clutch is not engaged

No voltage

B3 - Ground

Constant

Below 1.5 V

Turn rear temperature control dial to "WARM" position

Battery positive voltage

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