Toyota ZZT230 series, Repair Manual

Page: 352 / 821

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01-141
DIAGNOSTICS
-
ENGINE
3
Check for open and short
In
harnass and connector between OCV tor VVTL and
ECM (See page 1�).
Repair or replace.
Check and raplace
ECM
(See paga iN-30).
080 II
scan tool (excluding
TOYOTA
hand-held tester)
1
Check operation of OCV for VVTL.
START
PREPARATION:
(a) Start the engine and warmed it
up.
2
(b) Disconnect the OCV connector.
(c) Maintain engine speed at 1,500- 2,500 rpm.
(d) Apply battery positive voltage between terminals of the
ocv.
CHECK:
Check the engine speed.
OK: Rough
engine
speed or
engine stalled
R
ep
l
ace
OCV
for
VVTL.
Check voltage between terminals OVL+ and OVL- of ECM connector
(sea
page
Dl-20).
Check
and replace
ECM (Sao
page
IN-30).