Toyota T100 1996 Service Manual page 344

DI−80
5 Check VSV for EGR.
ON
For M/T
E7 Connector
For A/T
E7 Connector
EGR
VSV is ON
Air
E F
BE6653
P21086
P21087
FI7205
FI7206
NG
6 Check operation for VSV for EGR (See page MF−44).
OK
Check for open in harness and connector be-
tween R/B NO.2 and ECM (See page
IN−26).
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
EGR
OFF
ON
OFF
ON
VSV is OFF
Air
E F
A00074
− ENGINE (3RZ−FE)
PREPARATION:
(a) Remove the right cowl side trim (See page MF−50).
(b) Disconnect the E7 connector of ECM.
(c) Turn the ignition switch ON.
CHECK:
Check VSV function:
(1) Connect between terminal EGR of ECM and body
ground (ON).
(2) Disconnect between terminal EGR of ECM and
body ground (OFF).
OK:
(1) VSV is ON:
Air flows from port E to port F.
(2) VSV is OFF:
Air does not flow from port E to port F.
OK Go to step 7.
NG Replace VSV for EGR.