Lexus NX: Data List / Active Test
DATA LIST / ACTIVE TEST
NOTICE:
In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.
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 parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.
DATA LIST
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Central Gateway / Data List.
(e) According to the display on the Techstream, read the Data List.
Body Electrical > Central Gateway > Data List| Tester Display | Measurement Item | Range | Normal Condition |
|---|---|---|---|
| IG2 SW | Power switch on (IG) signal (IG2 terminal) | OFF or ON | OFF: Power switch on (ACC) or off ON: Power switch on (IG) |
| IG1 SW | Power switch on (IG) signal (IG1 terminal) | OFF or ON | OFF: Power switch on (ACC) or off ON: Power switch on (IG) |
| ACC SW | Power switch on (ACC) signal (ACC terminal) | OFF or ON | OFF: Power switch off ON: Power switch on (ACC) or on (IG) |
| +B Voltage | Auxiliary battery voltage (BATT terminal) | Over 8 V or Under 8 V | Over 8 V: Auxiliary battery voltage 8 V or higher Under 8 V: Auxiliary battery voltage below 8 V |
| Number of DTC | Number of DTCs | 0 to 255 | 0: Normal |
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Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART CAN Communication System DTC No. Detection Item DTC Output from Link B1003 ECU Malfunction Central gateway ECU (network gateway ECU) U0199 Los
ECU Malfunction (B1003)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from B1003 ECU Malfunction A malfunction in the non-volatile storage of the central gateway ECU (n
Lost Communication with "Door Control Module A" (U0199)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U0199 Lost Communication with "Door Control Module A" There is no communication from the oute
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Front Occupant Classification Sensor LH Collision Detection (B1785)
DESCRIPTION DTC B1785 is stored when the occupant detection ECU receives a collision detection signal, which is sent by the front occupant classification sensor LH when an accident occurs. DTC B1785 is also stored when the front seat adjuster assembly RH is subjected to a strong impact, even if an a
If your vehicle needs to be towed
If towing is necessary, we recommend
having your vehicle towed by
your Lexus dealer or commercial
towing service, using a wheel-lift
type truck or flatbed truck.
Use a safety chain system for all
towing, and abide by all state/provincial
and local laws.
If towing your vehicle with a whee
