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Home >> Lexus >> 2010 >> RX 350 FWD >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Air Suspension (Diagnostic Codes) >> Air Suspension System >> DTC C1752: Height Control Compressor Motor Circuit Malfunction (FROM 08/2009) >> Inspection Procedure

Inspection Procedure

NOTE:
  • Before performing troubleshooting, inspect the connectors of related circuits.
  • If DTC C1782 (Power Source Voltage Malfunction) is output at the same time, perform troubleshooting for C1782 first. Refer to DTC C1782: Power Source Voltage Malfunction .
  • Before replacing the suspension control ECU, perform all of the following again: 1) symptom simulation. Refer to HOW TO PROCEED WITH TROUBLESHOOTING ; 2) DTC inspection. Refer to DTC CHECK / CLEAR ; and 3) Techstream inspection (Data List or Active Test). Refer to DATA LIST / ACTIVE TEST . If no malfunctions are found in other areas, replace the suspension control ECU.
  • If the suspension control ECU is replaced, the vehicle height offset calibration and registration of vehicle identification information must be performed. Refer to CALIBRATION and. Refer to REGISTRATION )

HINT: 

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

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