Toyota ZZT230 series Repair Manual page 349

Dl- 138
OBD II scan tool (excluding TOYOTA hand-held tester}
1 Check operation of OCV.
Check voltage between
2
( Se e pag e DJ:.- 123 ).
3
Check for open and short In harness and connector between OCV and ECM
(See page IN-30).
Check for l n terml t ent probl e ms
page
Dl-3).
(Sae
ENGINE
-
PREPARATI O N:
Start the engine and warmed it up.
(a )
Appl y
Disconnect the OCV connector.
(b)
ocv.
battery positive voltage between terminals of the
(c)
CHECK:
OK: Rough I d l e or engi n e st a l l e d
Check the engine speed.
termi n al s
OCV+ and OCV- of ECM connector
G I Chec k an d repl a ce ECM
G I Repai r or repl a ce.
page I N -30).
(Sae