Lexus NX: System Diagram
Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Lighting System (for Triple Beam Headlight) / System Diagram
SYSTEM DIAGRAM
Tail, Stop, Headlight Circuit
Turn Signal Circuit
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System Description
SYSTEM DESCRIPTION AUTOMATIC LIGHT CONTROL SYSTEM (a) When the headlight dimmer switch is in the AUTO position, the automatic light control system detects ambient light levels and controls the headlig
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the lighting system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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Operation Check
OPERATION CHECK AUTOMATIC LIGHT CONTROL SYSTEM OPERATION CHECK (a) Turn the power switch on (IG). (b) Turn the headlight dimmer switch to the AUTO position. (c) Cover the automatic light control senso
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Abnormal Power Supply Voltage in Yaw Rate and/or Deceleration Sensor (C1381)
DESCRIPTION This DTC is stored when the skid control ECU (brake booster with master cylinder assembly) receives a sensor supply voltage malfunction signal from the yaw rate and acceleration sensor (airbag ECU assembly). This DTC may also be stored due to a temporary power source voltage drop. DTC
Short in Sensor with Motor Power Supply Circuit (B2658)
DESCRIPTION This DTC is stored when a power seat motor operates (a position control sensor is being supplied with power) and the power supply voltage does not rise to the specified value. DTC No. Detection Item DTC Detection Condition Trouble Area B2658 Short in Sensor with Motor Powe
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