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Home >> Lexus >> 2010 >> LS 600hL >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Air Suspension (Diagnostic Codes & Circuit Tests) >> Air Suspension System >> DTC C1711: Front Height Control Sensor RH Circuit Malfunction; DTC C1712: Front Height Control Sensor LH Circuit Malfunction; DTC C1713: Rear Height Control Sensor RH Circuit Malfunction; DTC C1714: Rear Height Control Sensor LH Circuit Malfunction >> 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 ELECTRONIC CIRCUIT INSPECTION PROCEDURE ; 2) DTC inspection; and 3) the Techstream inspection (Data List or Active Test). If no malfunctions are found in other areas, replace the suspension control ECU.
  • If the suspension control ECU or height control sensor is replaced, the vehicle height offset calibration must be performed. Refer to INITIALIZATION .
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