Lexus NX: Fail-safe Chart

FAIL-SAFE CHART

FAIL-SAFE CHART

Adaptive Variable Suspension System

DTC Chart

Malfunction Item

Fail-safe Operation

Fail-safe Deactivation Conditions

C1715

C1716

C1717

Acceleration sensor circuit

Control stops.

Normal condition restored and after next time power switch turned on (IG)

C1731

C1732

C1733

C1734

Absorber control actuator circuit

Control stops.

Normal condition restored and after next time power switch turned on (IG)

C1781

Absorber control ECU

Control stops.

Normal condition restored and after next time power switch turned on (IG)

C1782

Power source voltage

Control stops.

Normal condition restored and after next time power switch turned on (IG)

C1783

Vehicle speed sensor circuit

Control stops.

Normal condition restored and after next time power switch turned on (IG)

C1784

Steering sensor

Roll posture control is interrupted.

Normal condition restored and after next time power switch turned on (IG)

C1786

Master cylinder pressure circuit

Control stops.

Normal condition restored and after next time power switch turned on (IG)

C1789

Vehicle identification malfunction

Control stops.

Normal condition restored and after next time power switch turned on (IG)

U0101

U0293

CAN communication system

Continues damping force control.

Normal condition restored and after next time power switch turned on (IG)

U0122

CAN communication system

Control stops.

Normal condition restored and after next time power switch turned on (IG)

U0124

U0126

CAN communication system

Roll posture control is interrupted.

Normal condition restored and after next time power switch turned on (IG)

READ NEXT:

 Data List / Active Test

DATA LIST / ACTIVE TEST READ DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any part

 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

 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

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 Poor Sound Quality in All Modes (Low Volume)

PROCEDURE 1. CHECK AUDIO SETTINGS (a) Set treble, middle and bass to the initial values and check that the sound is normal. OK: The sound returns to normal. HINT: Sound quality adjustment measures vary according to the type of amplifier. OK END NG 2. COMPARE

 Engine Immobiliser System Presence Detection (B279C-185)

DESCRIPTION If a hybrid vehicle control ECU that is incompatible with the immobiliser system is installed, the hybrid vehicle control ECU stores this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area Note B279C-185 Engine Immobiliser System Presence Detection A hybr

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