Lexus NX: Battery Thermometer Sensor
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT THERMISTOR ASSEMBLY
| (a) Disconnect the thermistor assembly connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 1 - 2 | 10°C (50°F) | 3.00 to 3.73 kΩ |
| 1 - 2 | 15°C (59°F) | 2.45 to 2.88 kΩ |
| 1 - 2 | 20°C (68°F) | 1.95 to 2.30 kΩ |
| 1 - 2 | 25°C (77°F) | 1.60 to 1.80 kΩ |
| 1 - 2 | 30°C (86°F) | 1.28 to 1.47 kΩ |
| 1 - 2 | 35°C (95°F) | 1.00 to 1.22 kΩ |
| 1 - 2 | 40°C (104°F) | 0.80 to 1.00 kΩ |
| 1 - 2 | 45°C (113°F) | 0.65 to 0.85 kΩ |
| 1 - 2 | 50°C (122°F) | 0.50 to 0.70 kΩ |
| 1 - 2 | 55°C (131°F) | 0.44 to 0.60 kΩ |
| 1 - 2 | 60°C (140°F) | 0.36 to 0.50 kΩ |
NOTICE:
- Hold the sensor only by its connector. Touching the sensor may change the resistance value.
- When measuring, the sensor temperature must be the same as the ambient temperature.
HINT:
As the temperature increases, the resistance decreases (see the graph).
If the resistance is not as specified, replace the thermistor assembly.
READ NEXT:
Precaution
PRECAUTION CAUTION:
Before inspecting the high-voltage system or disconnecting the low voltage connector of the inverter with converter assembly, take safety precautions such as wearing insulated g
System Diagram
SYSTEM DIAGRAM
SEE MORE:
Components
COMPONENTS ILLUSTRATION *1 DECK FLOOR BOX LH *2 NO. 3 DECK BOARD SUB-ASSEMBLY *3 REAR DECK FLOOR BOX *4 NEGATIVE AUXILIARY BATTERY TERMINAL N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *1 MAP LIGHT ASSEMBLY *2 THEFT WARNING ULTRASONIC SENSOR
Software Incompatibility with Body Control Module Not Programmed (U032251)
DESCRIPTION The forward recognition camera receives vehicle specification information from the main body ECU (multiplex network body ECU) via the CAN communication line. When the forward recognition camera is unable to determine the vehicle information from the vehicle specification information sent
