Height Control Compressor: Inspection

INSPECT HEIGHT CONTROL COMPRESSOR (EXHAUST VALVE)

Measure the resistance of the exhaust valve.

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Condition	Specified Condition
1-2	20°C (68°F)	10 to 14 Ω

Fig 1: Identifying Exhaust Solenoid Valve Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Check the exhaust valve operation.

Apply battery voltage to the exhaust valve and check the operating sound of the height control valve.

MEASUREMENT SPECIFIED CONDITION CHART

Measurement Condition	Specified Condition
Battery positive (+) → Terminal 1 Battery negative (-) → Terminal 2	It should make an operating sound (click)

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

Fig 2: Identifying Exhaust Valve Connector Terminals

INSPECT HEIGHT CONTROL COMPRESSOR (COMPRESSOR MOTOR)

Check the compressor operation.

Apply battery voltage to the compressor motor and check the operation of the height control compressor.

MEASUREMENT SPECIFIED CONDITION CHART

Measurement Condition	Specified Condition
Battery positive (+) → Terminal 1 (B) Battery negative (-) → Terminal 2 (E)	Motor operates

NOTE:

Do not operate the height control compressor for 60 seconds or more.
Since a short and a lock-up inside the height control compressor cause excessive current to flow, stop operation immediately when the compressor motor does not operate.

Fig 3: Identifying Height Control Compressor Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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