Lexus NX: Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT HORN RELAY ASSEMBLY
| (a) Remove the horn relay assembly. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 3 - 5 | Voltage is not applied between terminals 1 and 2 | 10 kΩ or higher |
| 3 - 5 | Voltage is applied between terminals 1 and 2 | Below 1 Ω |
If the result is not as specified, replace the horn relay assembly.
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Precaution
PRECAUTION PRECAUTION WHEN REPLACING HEADLIGHT ECU SUB-ASSEMBLY LH (a) If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the
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System Diagram
SYSTEM DIAGRAM Communication Table Transmitting ECU Receiving ECU Signal Communication Method Main body ECU (multiplex network body ECU) Multiplex network door ECU
Combination switch assembly signal
Back door opener switch assembly signal
Power back door ON/OFF signal
Installation
INSTALLATION PROCEDURE 1. INSTALL NO. 4 FUEL TUBE CLAMP (a) Install the 5 No. 4 fuel tube clamps to the fuel tank assembly as shown in the illustration. 2. INSTALL FUEL TANK MAIN TUBE SUB-ASSEMBLY (a) Connect the 5 clamps and install the fuel tank main tube sub-assembly to the 5 No. 4
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