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:

 Vehicle Control History

VEHICLE CONTROL HISTORY NOTICE: When checking the vehicle control history, first record the output codes and after clearing the history, check the output history again. CHECK VEHICLE CONTROL HISTORY (LANE TRACING ASSIST SYSTEM) (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG

 Components

COMPONENTS ILLUSTRATION *A for RH Side *B for Manual Seat *C for Power Seat - - *1 REAR SEATBACK ASSEMBLY RH *2 REAR SEATBACK BOARD CARPET ASSEMBLY RH *3 REAR SEATBACK COVER *4 SEAT HEATER CONTROL SUB-ASSEMBLY ILLUSTRATION *A for LH Side *B for Ma

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