Lexus NX: Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT FRONT WIPER DEICER RELAY
| (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the front wiper deicer relay. |
|
2. INSPECT DEFOGGER RELAY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 3 - 4 | Auxiliary battery voltage is not applied between terminals 1 and 2 | Below 1 Ω |
| Auxiliary battery voltage is applied between terminals 1 and 2 | 10 kΩ or higher | |
| 3 - 5 | Auxiliary battery voltage is not applied between terminals 1 and 2 | 10 kΩ or higher |
| Auxiliary battery voltage is applied between terminals 1 and 2 | Below 1 Ω | |
| 4 - 5 | Always | 10 kΩ or higher |
If the result is not as specified, replace the defogger relay.
READ NEXT:
Parts Location
PARTS LOCATION ILLUSTRATION *1 AIR CONDITIONING CONTROL ASSEMBLY - REAR WINDOW DEFOGGER SWITCH *2 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-IG NO.1 FUSE - ECU-IG NO.3 FUSE *3 DLC3
System Diagram
SYSTEM DIAGRAM Communication Table Transmitter Receiver Signal Communication Method Air Conditioning Control Assembly Air Conditioning Amplifier Assembly Rear window defogger switch
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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 DOOR SCUFF PLATE ASSEMBLY LH *2 FRONT DOOR OPENING TRIM
Driver Side Power Window does not Operate with Power Window Master Switch
DESCRIPTION When the power switch is on (IG), the front power window regulator motor assembly LH is operated by the multiplex network master switch assembly. The front power window regulator motor assembly LH has motor, regulator and ECU functions. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
