Lexus NX: Inspection
INSPECTION
CAUTION / NOTICE / HINT
CAUTION:
Make sure that fingers or articles of clothing do not get caught in moving parts when performing this test.
PROCEDURE
1. INSPECT WINDSHIELD WIPER MOTOR ASSEMBLY
| *a | Component without harness connected (Windshield Wiper Motor Assembly) |
(a) Check the LO operation.
(1) Apply auxiliary battery voltage to the windshield wiper motor connector and check the speed of the windshield wiper motor assembly.
OK:
| Measurement Condition | Specified Condition |
|---|---|
| Auxiliary battery positive (+) → Terminal 5 (+1) Auxiliary battery negative (-) → Terminal 4 (E) | Motor operates at low speed |
(b) Check the HI operation.
(1) Apply auxiliary battery voltage to the windshield wiper motor connector and check the speed of the windshield wiper motor assembly.
OK:
| Measurement Condition | Specified Condition |
|---|---|
| Auxiliary battery positive (+) → Terminal 3 (+2) Auxiliary battery negative (-) → Terminal 4 (E) | Motor operates at high speed |
If the result is not as specified, replace the windshield wiper motor assembly.
READ NEXT:
Removal
REMOVAL PROCEDURE 1. REMOVE FRONT WIPER ARM HEAD CAP (a) Using a screwdriver, detach the 3 claws and remove the front wiper arm head cap. HINT:
Tape the screwdriver tip before use.
Use the sam
Installation
INSTALLATION PROCEDURE 1. INSTALL WINDSHIELD WIPER MOTOR ASSEMBLY (a) Install the windshield wiper motor assembly to the windshield wiper link assembly with the 3 bolts. Torque: 5.4 N·m {55 kgf·cm,
Front Wiper Rubber
ComponentsCOMPONENTS ILLUSTRATION *1 FRONT WIPER BLADE LH *2 WIPER RUBBER LH ReplacementREPLACEMENT CAUTION / NOTICE / HINT HINT:
Use the same procedure for RHD and LHD vehicles.
SEE MORE:
Rain Sensor LIN Communication Malfunction
DESCRIPTION A malfunction occurs in LIN communication of the components related to the rain sensor between the rain sensor and windshield wiper relay assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
When using the Techstream with the power switch off to troubleshoot:
Connect the Techstre
Relay
On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT PTC HEATER RELAY(PTC HTR NO. 1, NO. 3) (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 3 - 5 Auxiliary battery voltage is no
