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:

 Touch Pad Sensor Malfunction (B1559)

DESCRIPTION This DTC is stored if the remote operation controller assembly (remote touch) detects a malfunction in itself, such as internal hardware failure or touch pad sensor malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area B1559 Touch Pad Sensor Malfunction

 Lock Function (Entry Lock Function does not Operate Using Close &)

DESCRIPTION If the back door does not lock when using the power back door close and lock function, there may be communication problem between the certification ECU (smart key ECU assembly) and multiplex network door ECU. CAUTION / NOTICE / HINT NOTICE: The smart access system with push-button sta

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