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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.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION TABLE

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

Fig 1: Identifying Height Control Compressor (Exhaust Valve) Connector

G04944144

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Check the exhaust valve operation.
1. Connect terminal 1 to the battery positive (+) terminal, and terminal 2 to the battery negative (-) terminal.
2. Check the operating sound of the height control valve.
OK: It should make an operating sound (click).

INSPECT HEIGHT CONTROL COMPRESSOR (COMPRESSOR MOTOR)
1. Check the compressor operation.
  1. Connect terminal 1 (B) to the battery positive (+) terminal, and terminal 2 (E) to the battery negative (-) terminal.
    
    Fig 2: Identifying Exhaust Valve Connector Terminals
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Check the operation of the compressor motor.
  OK: 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