Lexus NX: 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 SENSOR |
| *5 | REAR WIPER MOTOR ASSEMBLY | *6 | HEADLIGHT CLEANER CONTROL RELAY |
| *7 | LEVEL WARNING SWITCH ASSEMBLY | *8 | WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY |
| *9 | WASHER NOZZLE SUB-ASSEMBLY | *10 | REAR WASHER NOZZLE |
| *11 | MAP LIGHT ASSEMBLY | *12 | HEADLIGHT CLEANER WASHER NOZZLE COVER |
| *13 | NO. 2 ENGINE ROOM RELAY BLOCK | *14 | H-LP CLN FUSE |
| *15 | WASHER-S FUSE | *16 | HEADLIGHT ECU SUB-ASSEMBLY RH |
| *17 | HEADLIGHT ECU SUB-ASSEMBLY LH | *18 | FUSE BLOCK |
| *19 | ECU-B NO.3 FUSE | - | - |
ILLUSTRATION
| *A | w/ Rain Sensor | *B | w/ Headlight Cleaner System |
| *C | for Single Beam Headlight | - | - |
| *1 | WINDSHIELD WIPER SWITCH ASSEMBLY | *2 | COMBINATION METER ASSEMBLY |
| *3 | WINDSHIELD WIPER RELAY ASSEMBLY | *4 | DLC3 |
| *5 | INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY | *6 | WIPER FUSE |
| *7 | WASHER FUSE | *8 | WIPER RR FUSE |
| *9 | ECU-IG NO.3 FUSE | *10 | ECU-IG NO.5 FUSE |
| *11 | ECU-IG NO.2 FUSE | *12 | ACC FUSE |
| *13 | MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) | - | - |
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System Diagram
SYSTEM DIAGRAM FRONT WIPER AND WASHER SYSTEM (w/ Rain Sensor) FRONT WIPER AND WASHER SYSTEM (w/o Rain Sensor) REAR WIPER AND WASHER SYSTEM HEADLIGHT CLEANER SYSTEM (w/ Headlight Cleaner System, fo
System Description
SYSTEM DESCRIPTION WASHER-LINKED FUNCTION (a) This system operates the front wipers at low speed immediately after spraying a jet of washer fluid when the front washer switch is turned on for 0.3 seco
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the wiper and washer system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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GVIF Disconnected (from Park Assist/Monitoring ECU to EMV/MM Integrated Device) (B1574)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area B1574 GVIF Disconnected (from Park Assist/Monitoring ECU to EMV/MM Integrated Device) GVIF disconnected (from parking assist ECU to multi-display assembly)
Harness or connector (GVIF cable)
Multi-display
Fuel Injector Circuit
DESCRIPTION The fuel injector assemblies are located on the intake port. They inject fuel into the cylinders based on the signals from the ECM. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE
