Toyota ZZT230 series, Repair Manual

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Dl-99
DIAGNOSTICS
ENGINE
10
Check for o
�
n and short In harness and connector between vapor pressure
sensor and CM (See page
IN-30).
Replace vapor pressure sensor.
Check VSV for EVAP.
y
y
-
=:
VSV Is O N VSV
Is OFF
AOSOOJ
Repair or replace harness or connector.
PREPARATION:
(a) Remove the ECM cover.
(b)
Turn the ignition
switch ON.
CHECK:
Check VSV
function.
OK:
(1 )
Connect between terminal EVP1 of the ECM con­
nector and body ground (VSV ON).
(2)
Disconnect between terminal EVPi
of
the ECM
connector and body ground (VSV OFF).
(1)
VSV
Is ON:
Air from port E fows out through port F.
(2)
VSV
Is OFF:
Air
does
not flow from port E to port F.
Gotostep14.