Lexus NX: Steering Heater Switch
Inspection
INSPECTION
PROCEDURE
1. REMOVE NO. 2 COMBINATION SWITCH ASSEMBLY
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2. INSPECT NO. 2 COMBINATION SWITCH ASSEMBLY
| (a) Measure the voltage according to the value (s) in the table below. Standard Voltage:
HINT: As the circuit has a diode, perform the measurement in diode test mode, and do not mistake the polarity. |
|
(b) Measure the resistance according to the value (s) in the table below
Standard Resistance:
| Tester Connection | Switch Condition | Specified Condition |
|---|---|---|
| 7 (IG1) - 19 (ECU) | Steering heater switch is pushed | Below 1 Ω |
| Steering heater switch is not pushed | 10 kΩ or higher |
(c) Measure the voltage according to the value (s) in the table below.
(d) Measure the resistance according to the value (s) in the table below.
3. INSTALL NO. 2 COMBINATION SWITCH ASSEMBLY
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Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE:
After the power switch is turned off, there may be a waiting time before disconnecting the negative (-
Parts Location
PARTS LOCATION ILLUSTRATION *1 NO. 1 ENGINE ROOM RELAY BLOCK - IG2-MAIN RELAY - IG2-MAIN FUSE - STRG LOCK FUSE - - ILLUSTRATION *1 POWER SWITCH *2 INSTRUMENT PANEL JUNCTION BLOC
SEE MORE:
Parts Location
PARTS LOCATION ILLUSTRATION *A w/ Rain Sensor *B w/ Headlight Cleaner System *C for Triple Beam Headlight *D for Single Beam Headlight *1 WINDSHIELD WIPER MOTOR ASSEMBLY *2 HEADLIGHT CLEANER CONTROL RELAY *3 HEADLIGHT CLEANER MOTOR AND PUMP ASSEMBLY *4 RAIN SE
Outside rear view mirrors
For safe driving, adjust the mirror
angles to secure visibility before
driving.
WARNING
■When driving the vehicle
Observe the following precautions while
driving.
Failure to do so may result in loss of control
of the vehicle and cause an accident,
resulting in death or serious injury.
