Electric Cooling Fans - Lexus IS 350C 2014 Pds Manual

D. UNDER THE HOOD (Continued)
D10
D07. WIRING AND HOSES
a) Check the hoses, hose connectors
and various clamps for tightness.
b) Visually inspect the condition of all
harness connectors and terminals for
proper installation and tightness.
D08. ENGINE OPERATION (COLD)
Check that the engine operation is
smooth when cold (engine stability, no
noise, engine vibration or rough idle,
etc.).
D09. ENGINE OPERATION
(DURING / AFTER WARM-UP)
Check that the engine operation is
smooth during / after warm-up (no abnor-
mal noise, engine vibration, rough idle,
etc.).
D10. ELECTRIC COOLING FANS
a) Check that the electric cooling fans ro-
tate smoothly when the engine coolant
is hot.
b) With the air conditioning turned on
and after sufficient pressure has built
up, check that the electric cooling fans
turn on and rotate smoothly.
Note: The electric cooling fans are con-
IS3D010
trolled by engine water temperature and
air conditioning refrigerant pressure. Do
not touch the fans when the engine is
hot.
D11. FLUID LEAKS
Look for fuel, oil, coolant or other fuel
leaks around the following components:
a) Engine (cylinder head and around the
head cover)
b) Transmission
c) Brake lines and hoses
d) Radiator and hoses
e) Fuel lines and hoses
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Lexus PDS