Toyota ZZT230 series Repair Manual page 721

�10
INSPECTION PROCEDURE
Input signal check.
1
Indicator
Blinking Pattern
Input Signal
-
ON
SET/COAST
OFF
-
ON
RESUME!ACCEL
OF F
switch
ON
CANCEL
OF F
Check voltage between terminals CCS of cruise control ECU connector
2
ground.
PREPARATI O N:
CHECK:
input
See
Light
Check the indicator
Pulses
OK: SET/ C OAST, RESUMEI A CCEL swi t ch
COAST, RESUMEIACCEL and CANCEL is turned on.
2
l.lUL_
The si g nal s shown I n the tabl e on the l e ft shoul d be
3 Pulses
output when each swi t ch I s ON. The si g nal shoul d
UU1Jl
di s appear when the swi t ch I s tu r ned OFF.
CANCEL swi t ch
SWOFF The I n di c ator l i g ht goes off when the cancel swi t ch I s
�
turned ON.
PREPARATI O N:
Remove the ECU w i t
{a)
CH EC K:
Turn ignition switch ON.
(b)
Measure voltage between terminals
body ground, when each of the SET/COAST. RESUMEIAC­
CEL and
10 0 1 71
B
-
signal check on page
01-485.
light
operation when each of the
and
Walt
sae.
h
connector still connected.
ls turned
CANCEL ON.
Switch position
Neutral
RESJACC
SET/COAST
CANCEL
Proc ee d to ne x t ci r cui t I n specti o n shown
probl e m symptom tabl e
SET/
and body
of ECU connector and
1 8
Resistance {V)
v
1 0 - 16
0.8 - 3. 7 V
2.5-6.3V
4.2 - 6. 8 V
page Dl - 494) . I n
(See