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STEERING
WHEEL
SWITCH
SYSTEM
Trouble-shooting
(
ICont'd)
Does the cruise control pilot lamp
come on when AS C D main switch
is
turned
ON?
No
Check the harness power supply
circuit for the A
S
C D main switch
Yes
Does
the
ON
lamp remain
lit
when
the
A
S
C
D main switch knob
is
released
(neutral position) after
it
was turned
to ON?
c
Check the receiver output for A
S
C D
(Refer to "RECEIVER CHECK")
Faulty
3
relay Replace receiver
Check the A
S
C
D
relay and harness
between the receiver and AS C D
relay
Check
the
power source input to
A
S
C
D
control
unit
(Refer to "A
S
C D Control Unit
Check"
)
Check the harness, between the
A
S
C D relay and A
S
C D control
Is
the
input signal to the AS
C
D
control unit normal when the
SET,
ACCEL and RESUME switches are
pressed,
(Refer to "A
S
C
D Control Unit
check"
)
Replace AS C D control unit
No
I
I
receiver
and A
S
C D control unit
Is
the
receiver output signal for the
AS C D control unit normal when
the SET, ACCELand RESUME
switches are pressed?
(Refer to "RECEIVER CHECK"
)
"1
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