Lexus NX: Parts Location
PARTS LOCATION
ILLUSTRATION
| *A | for 2WD | *B | for AWD |
| *1 | AIR CONDITIONING TUBE AND ACCESSORY ASSEMBLY (AIR CONDITIONER PRESSURE SENSOR) | *2 | THERMISTOR ASSEMBLY (AMBIENT TEMPERATURE SENSOR) |
| *3 | HEATER ACCESSORY ASSEMBLY | *4 | PTC HTR NO.1 RELAY |
| *5 | PTC HTR NO.2 RELAY | *6 | PTC HTR NO.3 RELAY |
| *7 | A/C W/PMP RELAY | *8 | COOLER CONDENSER ASSEMBLY |
| *9 | ECM | *10 | POWER STEERING ECU ASSEMBLY |
| *11 | INVERTER WITH CONVERTER ASSEMBLY | *12 | HIGH VOLTAGE FUSE |
| *13 | COMPRESSOR WITH MOTOR ASSEMBLY | *14 | NO. 2 ENGINE ROOM RELAY BLOCK |
| *15 | HTR FUSE | *16 | PTC HTR NO.1 FUSE |
| *17 | PTC HTR NO.2 FUSE | *18 | PTC HTR NO.3 FUSE |
| *19 | COOLER DRYER | *20 | ENGINE WIRE |
| *21 | ECU-B NO.2 FUSE | *22 | AIR CONDITIONING THERMISTOR ASSEMBLY |
ILLUSTRATION
| *1 | COOLER THERMISTOR (ROOM TEMPERATURE SENSOR) | *2 | AUTOMATIC LIGHT CONTROL SENSOR |
| *3 | AIR CONDITIONING CONTROL ASSEMBLY | *4 | AIR CONDITIONING AMPLIFIER ASSEMBLY |
| *5 | HYBRID VEHICLE CONTROL ECU | *6 | COMBINATION METER ASSEMBLY |
| *7 | MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) | *8 | MULTI-DISPLAY ASSEMBLY |
| *9 | RADIO RECEIVER ASSEMBLY | *10 | INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-IG NO.1 FUSE - ECU-IG NO.2 FUSE - ECU-IG NO.3 FUSE |
| *11 | INTEGRATION CONTROL AND PANEL ASSEMBLY | *12 | DLC3 |
ILLUSTRATION
| *1 | NO. 1 COOLER THERMISTOR (EVAPORATOR TEMPERATURE SENSOR) | *2 | AIR CONDITIONING HARNESS ASSEMBLY |
| *3 | NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY | *4 | NO. 1 BLOWER MODE DAMPER SERVO SUB-ASSEMBLY |
| *5 | HEATER RADIATOR UNIT SUB-ASSEMBLY | *6 | COOLER EXPANSION VALVE |
| *7 | BLOWER WITH FAN MOTOR SUB-ASSEMBLY | *8 | NO. 2 AIR CONDITIONING RADIAOTR DAMPER SERVO SUB-ASSEMBLY |
| *9 | QUICK HEATER ASSEMBLY | *10 | NO. 1 COOLER EVAPORATOR SUB-ASSEMBLY |
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System Diagram
SYSTEM DIAGRAM Communication Table Sender Receiver Signal Communication Line Air conditioning amplifier assembly Hybrid vehicle control ECU Heater idle up request signal CAN
System Description
SYSTEM DESCRIPTION GENERAL (a) The air conditioning system has the following controls. Control Outline Neural Network Control This control is capable of performing complex control by artifi
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the air conditioning system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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Inspection
INSPECTION PROCEDURE 1. CHECK BRAKE CYLINDER AND PISTON (a) Check the cylinder bore and piston for rust or scoring. If necessary, replace the disc brake cylinder and piston. 2. CHECK PAD LINING THICKNESS (a) Using a ruler, measure the pad lining thickness. Standard thickness: 10.0 mm (0.394 in.) Mi
On-vehicle Inspection
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT NOTICE: If using a dropper to adjust the fluid amount, make sure that the dropper has not been used with mineral oils, water or deteriorated brake fluid. Sealed areas may deteriorate and lead to fluid leaks, or the fluid may deteriorate and lead to decre
