Lexus NX: Problem Symptoms Table
Lexus NX Service Manual / Vehicle Exterior / Door / Hatch / Fuel Lid Opener System / Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
- Recognition code registration is necessary when replacing the main body ECU (multiplex network body ECU).
-
If the main body ECU (multiplex network body ECU) is replaced, refer to Registration.
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HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | Link |
|---|---|---|
| Fuel lid opener does not lock/unlock | Power door lock control system | |
| Wireless door lock control system | | |
| Smart access system with push-start button (for Entry Function) | | |
| Fuel lid opener relay | | |
| Fuel lid with motor lock assembly | | |
| Harness or connector | - | |
| Main body ECU (multiplex network body ECU) | | |
| Instrument panel junction block assembly | |
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Components
COMPONENTS ILLUSTRATION *1 ENGINE HOOD LOCK STRIKER ASSEMBLY *2 HOOD AUXILIARY CATCH HOOK ASSEMBLY *3 HOOD INSULATOR *4 HOOD TO FRONT FENDER SEAL LH *5 HOOD TO FRONT FENDER S
On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT HOOD SUB-ASSEMBLY (a) Check that the clearance measurements of areas A to E are within the standard ranges. Standard Clearance: Area Specified Conditi
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Wireless-linked Return Function does not Operate
DESCRIPTION When a door is unlocked using the wireless unlock function, the certification ECU (smart key ECU assembly) sends a key ID signal to the main body ECU (multiplex network body ECU). When a door is unlocked using the entry unlock function, the certification ECU (smart key ECU assembly) send
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
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