Lexus NX: Diagnosis System
Lexus NX Service Manual / Vehicle Exterior / Sliding Roof / Convertible / Sliding Roof System / Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) Sliding roof system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
CHECK DLC3
(a) Check the DLC3.
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INSPECT AUXILIARY BATTERY VOLTAGE
(a) Measure the auxiliary battery voltage.
Standard voltage:
11 to 14 V (power switch off)
- If the voltage is below 11 V, recharge or replace the auxiliary battery.
READ NEXT:
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (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 / Sliding Roof / Troub
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST 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. Th
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Sliding Roof System DTC No. Detection Item Link B2341 Sensor (Motor) Failure B2342 Switch Failure B2343 Position Initialization Incompl
SEE MORE:
Electric Parking Brake AUTO Indicator Light Circuit
WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
Before disconnecting connectors or fuses, turn the power switch off and wait 20 seconds or more.
When replacing the parking brake ECU ass
Terminals Of Ecu
TERMINALS OF ECU Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
*1: w/ Manual (SOS) Switch
*2: It is connected, but not used *3: w/o Manual (SOS) Switch #: There is no wire color information I151-1 (GND1) - Body ground W-B - Body ground
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