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Home >> Lexus >> 2010 >> RX 350 FWD >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Air Suspension (Diagnostic Codes) >> Air Suspension System >> DTC C1761: Continuous Electric Current to Height Control Compressor Motor (TO 08/2009) >> Description

DTC C1761: Continuous Electric Current to Height Control Compressor Motor (TO 08/2009): Description

The signal from the suspension control ECU operates the AIR SUS relay and the height control compressor motor starts. The height control compressor motor operates until the targeted vehicle height is reached. Then the height control sensor sends the signal to the suspension control ECU, and stops the height control compressor motor.

DTC No. DTC Detection Condition Trouble Area
C1761 While AIR SUS relay is ON, vehicle height does not reach target for 3 minutes or more
  • Air leakage from the air tube or each valve
  • Height control valve No. 1
  • Height control valve No. 2
  • Height control compressor assembly (Exhaust valve)
  • Pneumatic tank assembly (Low pressure tank valve)
  • Height control compressor assembly (Compressor motor)
  • AIR SUS relay
  • Wire harness or connector
  • Suspension control ECU