Toyota LAND CRUISER Service Manual Supplement page 312

BODY ELECTRICAL SYSTEM - CRUISE CONTROL SYSTEM
HINT: When two or more codes are indicated, the lowest numbered code will be displayed first.
(*) When the vehicle speed is reduced on uphill roads, the speed can be set again and driving continued.
(This is not a malfunction.)
(Type B)
(a) If while driving with the cruise control on, the system is
canceled by a malfunction in either the actuator, speed
sensor or speed control switch circuit, the cruise control
indicator light "CRUISE" will blink 5 times.
(b) While stopped, connect terminals
the check connector.
HINT: If the ignition switch is turned off, the diagnostic
code will be erased from the computer memory.
(c) Read the diagnostic code on the indicator light
"CRUISE".
BE-33
(3) and Tc (11) of