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1.Assemble a gauge manifold
on the high pressure service valve.
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![](../../../img/55/ACB03228AC00ENG.png)
![](../../../img/55/AC507502AB00ENG.png)
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2.Disconnect the A/C
pressure sensor connector and connect the special tool test
harness (MB991658) as shown. 3.Start the engine
and then turn ON the air conditioner switch.
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![](../../../img/55/AC208297AB00ENG.png)
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4.At this time, check to see
that the voltage of the A/C pressure sensor connector
terminal No. 2 reflects the specifications of the
figure.
note |
- The allowance shall be defined as
±5%.
- The A/C pressure sensor is
incorporated in the liquid pipe, and the
high-pressure
service valve is incorporated in liquid
pipe. Therefore, the pressure at the
A/C pressure
sensor is 0.1 to 0.3 MPa higher than
that at the gauge manifold.
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