Toyota ZZT230 series Repair Manual page 724

INSPECTION PROCEDURE
Check voltage betwee n termlna i iDL of cruise control ECU connec tor and body
1
ground.
er
''"" t<V
""'u
)
Check harness and connector between ECM and throttle position sensor (See
2
page IN-30).
Check throttle position sensor circuit (See page Dl-38).
3
)
DIAGNOSTICS
CRUISE CONTROL SYSTEM
Remove
PREPARATION:
( b ) Di s connect t h e ECM
(a)
the
gni
n
(c) i t
Turn o
i
Measur e vol t a ge bet w een
CHECK:
body ground when t h e
opened.
OK:
Throttle valve position
closed
Fully opened
ocee
probl e m sympt o m tabl e
100112
Pr
G
Repair or
G Repl a ce t h rot t l e posi t i o n sensor.
ECU
with connector still connected.
connector.
switch
ON.
terminai iDL of
throttle valve is fully closed and fully
t o next ci r cui t i n s p ec ti o n shown
page Dl - 494) .
(See
d
re p l a ce harness or co nnect o r.
01-513
ECU
connector and
Voltage
v
Betow 2 V
1 0 - 1 4
I n