Toyota T100 1996 Service Manual page 484

DI−220
14 Check charcoal canister.
Start
Engine
Stop
VSV for
ON
Vapor
Pressure
Sensor OFF
ON
VSV for
EVAP
OFF
5 sec.
E2 (−)
For M/T
E2 (−)
For A/T
S00049
P24347
P24346
OK
Check and replace ECM (See page IN−26).
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
5 sec.
Measure Voltage
PTNK (+)
PTNK (+)
A00117
− ENGINE (5VZ−FE)
PREPARATION:
(a) Connect the TOYOTA hand−held tester to the DLC3.
(b) Remove the fuel tank cap.
(c) Disconnect the VSV connector for the vapor pressure
sensor.
(d) Select the "ACTIVE TEST" mode on the TOYOTA hand−
held tester.
(e) Start the engine.
(f) The VSV for the EVAP is ON by the TOYOTA hand−held
tester and remains on for 5 sec.
CHECK:
Measure voltage between terminals PTNK and E2 of ECM con-
nector 5 sec. after switching VSV for EVAP from ON to OFF.
OK:
Voltage: 2.5 V or less
NG Replace charcoal canister.