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:

 Customize Parameters

CUSTOMIZE PARAMETERS CUSTOMIZE TELEMATICS SYSTEM (a) Customizing with the Techstream. NOTICE: When the customer requests a change in a function, first make sure that the function can be customized. Be sure to make a note of the current settings before customizing. When troubleshooting a funct

 Short in P/T Squib (RH) Circuit (B1900-B1903)

DESCRIPTION The front pretensioner RH circuit consists of the airbag ECU assembly and front seat outer belt assembly RH. This circuit instructs the SRS to deploy when deployment conditions are met. These DTCs are stored when a malfunction is detected in the front pretensioner RH circuit. DTC No.

© 2016-2026 Copyright www.lexunx.com