Lexus NX: Diagnosis System
Lexus NX Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Theft Deterrent System / 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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Inside rear view mirror
The rear view mirror's position can
be adjusted to enable sufficient
confirmation of the rear view.
Adjusting the height of rear view
mirror
The height of the rear view mirror can
be adjusted to suit your driving posture.
Adjust the height of the rear view mirror
by moving it up and down.
Removal
REMOVAL CAUTION / NOTICE / HINT NOTICE: While the auxiliary battery is connected, even if the power switch is off, the brake control system activates when the brake pedal is depressed or any door courtesy switch turns on. Therefore, when servicing the brake system components, do not operate the brak
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