Lexus ES: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT COOLING FAN SYSTEM
CAUTION:
To prevent injury due to contact with an operating cooling fan, keep your hands and clothing away from the cooling fan when inspecting the cooling fan system.
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine / Active Test / Control the Engine Cooling Fan Duty Ratio.
Powertrain > Engine > Active Test
Tester Display |
Control the Engine Cooling Fan Duty Ratio |
(e) Check the operation of the cooling fan while operating it using the Techstream.
OK:
Active Test Operation | Fan Operation |
30 - 100% | Cooling fan operates |
0% | Cooling fan stops |
If the cooling fan motor (fan with motor assembly) does not operate, check the cooling fan circuit.
Click here
READ NEXT:
DESCRIPTION The ECM calculates an appropriate cooling fan speed based on the engine coolant temperature, air conditioning switch status, refrigerant pressure, engine speed and vehicle speed, and sends
On-vehicle InspectionON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: Do not remove the radiator cap sub-assembly while the engine and radiator assembly are still hot. Pressurized, hot engine c
SEE MORE:
DESCRIPTION The front corner ultrasonic sensor RH is installed to the front bumper. The clearance warning ECU assembly detects obstacles based on signals received from the front corner ultrasonic sensor RH. If the front corner ultrasonic sensor RH has an open circuit or other malfunction, it will no
PRECAUTION CAUTION:
Never perform work on fuel system components near any possible ignition sources.
Vaporized fuel could ignite, resulting in a serious accident.
Do not perform work on fuel system components without first disconnecting the cable from the negative (-) battery terminal.
Sp
© 2016-2024 Copyright www.lexguide.net