Lexus NX: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT COOLING FAN SYSTEM

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Electric Cooling Fan.

Powertrain > Engine and ECT > Active Test

Tester Display

Control the Electric Cooling Fan

(e) Check the operation of the cooling fans while operating them using the Techstream.

OK:

Tester Operation

Fan Operation

ON

Cooling fans operate

OFF

Cooling fans stop

If the cooling fan motor does not operate, check the cooling fan circuit.

Click here

READ NEXT:

 Cooling Fan Circuit

DESCRIPTION The ECM calculates an appropriate cooling fan speed based on the engine coolant temperature, air conditioning switch condition, refrigerant pressure, hybrid coolant temperature, engine spe

 Cooling System

On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT FOR COOLANT LEAK CAUTION: To avoid the danger of being burned, do not remove the radiator reservoir cap while the engine assembly and r

 Radiator

SEE MORE:

 On-vehicle Inspection

ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: Be sure to follow the correct removal and installation procedures of the lower No. 1 instrument panel airbag assembly. PROCEDURE 1. INSPECT LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY (for Vehicle not Involved in Collision) (a) Perform a diagno

 Main Body ECU Communication Stop Mode

DESCRIPTION Detection Item Symptom Trouble Area Main Body ECU Communication Stop Mode Any of the following conditions are met: Communication stop for "Main Body" is indicated on the "Communication Bus Check" screen of the Techstream. Click here Communication system DTCs (DTCs t

© 2016-2026 Copyright www.lexunx.com