Compressor/Pump: Testing and Inspection

SUSPENSION CONTROL: HEIGHT CONTROL COMPRESSOR: INSPECTION

1. INSPECT HEIGHT CONTROL COMPRESSOR (EXHAUST VALVE)

(a) Measure the resistance of the exhaust valve.





(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





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(b) Check the exhaust valve operation.





(1) Connect a positive (+) lead from the battery to terminal 2 (L), and a negative (-) lead to terminal 1 (B).

(2) Check the operating sound of the height control valve.

OK:

It makes an operating sound.

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If the result is not as specified, replace the height control compressor.

2. INSPECT HEIGHT CONTROL COMPRESSOR (COMPRESSOR MOTOR)

(a) Check the compressor operation.

(1) Apply 12 V battery voltage to the compressor motor and check the operation of the motor.





OK:





Text in Illustration





NOTICE:
* Do not operate the height control compressor for 60 seconds or more.
* Stop applying voltage immediately if the compressor stops operating because a short will occur and the compressor motor will lock up, causing a flow of excessive current.

If the result is not as specified, replace the height control compressor.