Toyota ZZT230 series, Repair Manual

Page: 721 / 821

�10
-
INSPECTION PROCEDURE
1
Input signal check.
Input Signal
Indicator
Light
Blinking Pattern
SET/COAST
ON 2
Pulses
-
OFF
l.lUL_
RESUME!ACCEL
ON
3Pulses
-
OFF
UU1Jl
CANCEL
switch
ON SWOFF
OFF
�
PREPARATION:
See
input
signal check on page
01-485.
CHECK:
Check the indicator
light
operation when each of the
SET/
COAST, RESUMEIACCEL and CANCEL is turned on.
OK: SET/COAST, RESUMEIACCEL switch
The signals shown In the table on the left should be
output when each switch Is ON. The signal should
disappear when the switch Is turned OFF.
CANCEL switch
The Indicator light goes off when the cancel switch Is
turned ON.
Walt
and
sae.
2
Check voltage between terminals CCS of cruise control ECU connector
and body
ground.
100171
PREPARATION:
{a) Remove the ECU w
i t
h
connector still connected.
(b)
Turn ignition switch ON.
CHECK:
Measure voltage between terminals 18 of ECU connector and
body ground, when each of the SET/COAST. RESUMEIAC­
CEL
and
CANCEL
ls turned
ON.
Switch position Resistance {V)
Neutral 1 0 - 16 v
RESJACC 0.8 - 3.7V
SET/COAST 2.5-6.3V
CANCEL
4.2 - 6.8V
B
Proceed to next circuit Inspection shown
problem symptom table
(See
page Dl-494). In