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.
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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
SEE MORE:
Components
COMPONENTS ILLUSTRATION *1 DECK FLOOR BOX LH *2 NO. 3 DECK BOARD SUB-ASSEMBLY *3 REAR DECK FLOOR BOX *4 AUXILIARY BATTERY NEGATIVE TERMINAL N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *1 AIRBAG ECU ASSEMBLY *2 FRONT CONSOLE BOX N*m (kgf
Lost Communication with Brake System Control Module (U0129,U0142,U0293)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area U0129 Lost Communication with Brake System Control Module No communication with brake booster with master cylinder assembly (skid control ECU)
CAN communication system
Brake booster with master cylinder a
