Toyota T100 1996 Service Manual page 693

INSPECTION PROCEDURE
1 Input signal check.
Input Signal
Drive at about
40 km/h (25 mph)
Light
or below
Drive at about
Light ON
40 km/h (25 mph)
or higher
NG
2 Check speedometer circuit (See Combination meter troubleshooting on page
BE−36).
OK
3 Check harness and connector between cruise control ECU and combination me-
ter, combination meter and vehicle speed sensor (See page IN−16).
OK
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
CHECK:
Indicator Light
(a)
Blinking Pattern
(b)
ON
OFF
OK:
OFF
− CRUISE CONTROL SYSTEM
See input signal check on page DI−410.
Check indicator light operation when driving at vehicle
speed above 40 km/h (25 mph), and at vehicle speed be-
low 40 km/h (25 mph).
Vehicle speed above 40 km/h (25 mph):
Vehicle speed below 40 km/h (25 mph):
OK Check and replace cruise control ECU (See
page IN−26).
NG Repair or replace harness, connector or com-
bination meter assembly.
NG Repair or replace harness or connector.
DI−429
Indicator light blinks
Indicator light stays on