Lexus NX: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Lighting System
DTC No. | Detection Item | Link |
B1244 | Light Sensor Circuit Malfunction | |
B2430 | LED Headlight LH Circuit Malfunction | |
B2431 | LED Headlight RH Circuit Malfunction | |
U012587 | Lost Communication with Multi-axis Acceleration Sensor Module Missing Message | |
U012987 | Lost Communication with Brake System Control Module Missing Message | |
U014087 | Lost Communication with Body Control Module Missing Message | |
U023587 | Lost Communication with Cruise Control Front Distance Range Sensor Missing Message | |
U029387 | Lost Communication With Hybrid Powertrain Control Module Missing Message | |
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VEHICLE CONTROL HISTORY CHECK THE VEHICLE CONTROL HISTORY (LIGHTING SYSTEM) HINT:
The vehicle control history data (lighting system) stores the history of the reject function and system protection
DESCRIPTION The automatic light control sensor detects ambient light, converts it into an electrical signal and outputs it to the main body ECU (multiplex network body ECU). The main body ECU (multipl
DESCRIPTION The illumination of the low beam headlights is controlled by the main body ECU (multiplex network body ECU). When the headlights are turned on, the main body ECU (multiplex network body EC
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TERMINALS OF ECU CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (a) Disconnect the I50 air conditioning amplifier assembly connector. (b) Measure the voltage and resistance according to the value(s) in the table below. Tester Connection Wiring Color Terminal Description Condition Specified Co
BLEEDING CAUTION / NOTICE / HINT CAUTION: The Techstream must be used for air bleeding. If not used, the air bleeding will be incomplete, which is hazardous and may lead to an accident. NOTICE:
Perform air bleeding with park (P) selected and the parking brake applied.
As brake fluid may overflo
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