Lexus NX: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) Seat heater system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. 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
(a) Check 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 / Air Conditioner / Tr
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 Seat Heater System DTC No. Detection Item Link B14C0 Front Right Seat Heat Sensor Circuit B14C1 Front Left Seat Heat Sensor Circuit B14C2
SEE MORE:
System Diagram
SYSTEM DIAGRAM *1 ECM *2 Engine Coolant Temperature Sensor *3 Air Fuel Ratio Sensor (for Bank 1 Sensor 1) *4 Heated Oxygen Sensor (for Bank 1 Sensor 2) *5 Crankshaft Position Sensor *6 Intake Manifold *7 Manifold Absolute Pressure Sensor *8 EGR Valve Assembly
Driver Side Door Entry Lock Function does not Operate
DESCRIPTION If the entry lock function does not operate for the driver door only, but the entry unlock function operates, the request code is being transmitted properly from the driver door. In this case, there may be a problem related to the lock sensor (connection between the certification ECU (sm
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