Lexus NX: Diagnosis System

DIAGNOSIS SYSTEM

CHECK DLC3

(a) Check the DLC3.

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INSPECT AUXILIARY BATTERY VOLTAGE

(a) Measure the auxiliary battery voltage with the power switch off.

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the auxiliary battery.

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 Engine Hood Courtesy Switch Circuit

DESCRIPTION The engine hood courtesy switch is installed together with the hood lock. This switch turns on when the engine hood is closed and turns off when the engine hood is opened. WIRING DIAGRAM

 Horn Circuit

DESCRIPTION When the theft deterrent system is switched from the armed state to the alarm sounding state, the main body ECU (multiplex network body ECU) transmits a signal to cause the horn to sound a

 Security Horn Circuit

DESCRIPTION When the theft deterrent system is switched from the armed state to the alarm sounding state, the main body ECU (multiplex network body ECU) transmits a signal to cause the security horn t

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 Drive Motor "A" Control Module (P0A1B-505,P0A1B-806)

DTC SUMMARY MALFUNCTION DESCRIPTION These DTCs indicate that a large current flowed in the inverter for the motor. The cause of this malfunction may be one of the following: Internal inverter malfunction Internal circuit malfunction in the inverter for the motor Malfunction in ECU that controls

 Installation

INSTALLATION PROCEDURE 1. INSTALL CABLE SUPPORT BRACKET (a) Install the cable support bracket to the rear suspension member sub-assembly with the 2 bolts. Torque: 6.0 N·m {61 kgf·cm, 53 in·lbf} 2. INSTALL REAR STABILIZER SUPPORT BRACKET LH (a) Install the rear stabilizer support bracket LH to th

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