Electric Cooling Fans - Lexus GS350 2014 Service Manual

INSPECTION DETAILS - J. ROAD TEST
ENGINE OPERATION COLD AND HOT

ELECTRIC COOLING FANS

a ) Check that the engine cooling fans rotate smoothly.
CAUTION:
The engine cooling fans are controlled depending on engine
coolant temperature. Do not touch the fans when the engine
is hot.
b ) Turn the air conditioning on and build up sufficient
pressure. Check that the electric cooling fans turn on
and rotate smoothly.
CAUTION:
The electric cooling fans are controlled depending on air
conditioning refrigerant pressure. Do not touch the fans
when the "A/C" switch is turned on.
BRAKE HOLD
a ) Check that the green standby indicator light comes on
when the brake hold system is activated.
b) Press the brake and check that the yellow brake hold
indicator light comes on.
BRAKE AND PARKING BRAKE
a ) Check braking effort. Check for pull or any abnormal
noise.
b ) Check the parking brake (manual mode):
With the "POWER" switch in the "ON" mode, check
that the brake warning light comes on when the parking
brake is applied (and goes off when it is released).
c ) Check the parking brake (automatic mode):
With the "POWER" switch in the "ON" mode, check
that the brake warning light goes off when the shift lever
is moved from the "P" position (and goes on when
it is moved into the "P' position).
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GS350/GS450h