Toyota Hilux Surf 1993 Owner's Manual page 899

BE–66
Is there continuity between terminals 2I2 and
4I5 of speed control switch?
Connect connectors to slip ring.
INSPECT POWER SOURCE
Is there battery positive voltage between ter–
minal 1/2 of cruise control switch and ground
with ignition switch turned on?
Connect connector to main switch.
ECU
Disconnect connector from CC ECU and in–
spect connector on wire harness side as fol–
lows.
INSPECT GROUND CONNECTION
Is there continuity between terminal 15 and
ground?
INSPECT POWER SOURCE
Is there battery positive voltage between ter–
minal 12 and ground with ignition switch and
main switch is turned on?
Disconnect connector from main relay.
Is there continuity between terminals 10 of
CC ECU and 1 of main relay wire harness side
connector?
BODY ELECTRICAL SYSTEM
CONTINUED FROM PREVIOUS PAGE
Yes
Yes
Yes
Yes
Yes
CONTINUED ON NEXT PAGE
– Cruise Control System
No
Open circuit in cruise control switch be–
tween terminals 2I2 and 4I5.
Short circuit in wire harness between ter–
minals 1/2 and 3/5 of cruise control
switch.
• Open circuit in wire harness between
terminal 15 and ground.
• Ground faulty.
Open circuit in wire harness between ter–
minals 12 of CC ECU and 6 of main relay.
Open circuit in wire harness between ter–
minals 10 of CC ECU and 1 of main relay.