Lexus NX: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Adaptive Variable Suspension System| DTC No. | Detection Item | Warning Indicate | Link |
|---|---|---|---|
| C1715 | Front Acceleration Sensor RH Malfunction | Does not come on | |
| C1716 | Front Acceleration Sensor LH Malfunction | Does not come on | |
| C1717 | Rear Acceleration Sensor Malfunction | Does not come on | |
| C1731 | Front Damping Force Control Actuator RH Circuit Malfunction | Does not come on | |
| C1732 | Front Damping Force Control Actuator LH Circuit Malfunction | Does not come on | |
| C1733 | Rear Damping Force Control Actuator RH Circuit Malfunction | Does not come on | |
| C1734 | Rear Damping Force Control Actuator LH Circuit Malfunction | Does not come on | |
| C1781 | Suspension Control ECU Malfunction | Does not come on | |
| C1782 | Power Source Voltage Malfunction | Does not come on | |
| C1783 | Speed Signal Communication Error | Does not come on | |
| C1784 | Steering Angle Sensor Communication Error | Does not come on | |
| C1786 | Master Cylinder Pressure Circuit | Does not come on | |
| C1789 | Vehicle Identification Malfunction | Does not come on | |
| C1796 | Front Acceleration Sensor RH Malfunction (Test Mode DTC) | Test mode | |
| C1797 | Front Acceleration Sensor LH Malfunction (Test Mode DTC) | Test mode | |
| C1798 | Rear Acceleration Sensor Malfunction (Test Mode DTC) | Test mode | |
| U0101 | Lost Communication With TCM | Does not come on | |
| U0122 | Lost Communication with Vehicle Dynamics Control Module | Does not come on | |
| U0124 | Lost Communication with Lateral Acceleration Sensor Module | Does not come on | |
| U0126 | Lost Communication with Steering Angle Sensor Module | Does not come on | |
| U0293 | Lost Communication with Hybrid Vehicle Control System | Does not come on | |
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Front Acceleration Sensor RH Malfunction (C1715-C1717,C1796-C1798)
DESCRIPTION The acceleration sensor assembly (up and down G sensor) detects the upward and downward acceleration of the vehicle and outputs it as a voltage to the absorber control ECU. Up and down G s
Front Damping Force Control Actuator RH Circuit Malfunction (C1731-C1734)
DESCRIPTION The absorber control actuator changes the damping force depending on absorber control ECU signals. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate
Suspension Control ECU Malfunction (C1781)
DESCRIPTION If a malfunction in the absorber control ECU is detected, DTC C1781 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate C1781 Suspensio
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Terminals Of Ecu
TERMINALS OF ECU CHECK HEADLIGHT ECU SUB-ASSEMBLY LH (a) Disconnect the A19 headlight sub-assembly LH connector. (b) Measure the resistance and voltage according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
Initialization
INITIALIZATION INITIALIZE PARKING ASSIST MONITOR SYSTEM (a) When the "!" mark is displayed on the multi-display assembly, correct the steering angle neutral point using the following method. (1) Fully turn the steering wheel to the right and left on flat ground. NOTICE: Memorizing the steering angle
