Toyota T100 1996 Service Manual page 696

DI−432
INSPECTION PROCEDURE
1 Input signal check.
Input Signal
SET/COAST
switch
RESUME/ACCEL
switch
CANCEL switch
NG
2 Check voltage between terminal CCS of cruise control ECU connector and body
ground.
ON
(−) (+)
AB0119
I00136
OK
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
Indicator Light
Blinking Pattern
2 Pulses
ON
OFF
3 Pulses
ON
OFF
SW OFF
ON
SW ON
OFF
CCS
I00162
− CRUISE CONTROL SYSTEM
PREPARATION:
See input signal check on page DI−410.
CHECK:
Check the indicator light operation when each of the SET/
COAST, RESUME/ACCEL and CANCEL is turned ON.
OK:
SET/COAST, RESUME/ACCEL 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.
OK Wait and see.
PREPARATION:
(a) Remove the ECU with connector still connected.
(b) Turn ignition switch ON.
CHECK:
Measure voltage between terminal CCS of ECU connector and
body ground, when each of the SET/COAST, RESUME/AC-
CEL and CANCEL is turned ON.
Switch position
Neutral
RES/ACC
SET/COAST
CANCEL
NG Proceed to next circuit inspection shown in
problem symptom table (See page DI−419).
Voltage (V)
10 − 16
0.8 − 14 V
2.4 − 4.0 V
5.1 − 8.3 V