Toyota ZZT230 series Repair Manual page 348

2 Check operation of
Check
3
(Se e pe ge D� 123 ).
4
Check for open and short In harness and connector between
page 1� ).
(Se e
Check l n terml t ent probl e ms
for
(See page Dl-3).
)
DIAGNOSTICS
ENGINE
OCV.
PREPARATI O N:
t h e engi n e and war m ed
( a }
Start
( b ) Di s connect t h e OCV connect o r .
( c ) Appl y bat t e r y posi t i v e vol t a ge bet w een t e rmi n al s of t h e
ocv.
CHECK:
Check t h e engi n e speed.
OK: Rough I d l e or engi n e st a l l e d.
G I Repl a ce OC V.
OCV+
G I
Check
G I Repai r
it
OCV- of ECM
and connector
and repl a ce E
C
M (See
repl a ce.
or
Dl-137
up.
page
IN-30).
OCV ECM
and