1996 TOYOTA T100 Factory Service Manual

Page 345 of 2062

TOYOTA T100 1996  Factory Service Manual Downloaded from www.Manualslib.com manuals search engine P24228
EGR Gas Temp. Sensor
Connector
− DIAGNOSTICSENGINE (3RZ−FE)
DI−81
1996 TOYOTA T100   (RM449U)
7 Check EGR vacuum modulator (See pa

Page 346 of 2062

TOYOTA T100 1996  Factory Service Manual Downloaded from www.Manualslib.com manuals search engine DI−82
− DIAGNOSTICSENGINE (3RZ−FE)
1996 TOYOTA T100   (RM449U)
DTC P0402 Exhaust Gas Recirculation Flow Excessive
Detected
CIRCUIT DESCRI

Page 347 of 2062

TOYOTA T100 1996  Factory Service Manual Downloaded from www.Manualslib.com manuals search engine BE6653
P19554
A00048
EGR Gas Temp.
SensorECM
THG
E25 V
E1
ON
E6 E6
E6 E62
1314
9
9
(M/T)(A/T)
BE6653
FI7056
P19785
P19798
A00049
EGR Gas Temp.

Page 348 of 2062

TOYOTA T100 1996  Factory Service Manual Downloaded from www.Manualslib.com manuals search engine P24228
EGR Gas Temp. Sensor
Connector
DI−84
− DIAGNOSTICSENGINE (3RZ−FE)
1996 TOYOTA T100   (RM449U)
4 Check VSV for EGR (See page MF−4

Page 349 of 2062

TOYOTA T100 1996  Factory Service Manual Downloaded from www.Manualslib.com manuals search engine − DIAGNOSTICSENGINE (3RZ−FE)
DI−85
1996 TOYOTA T100   (RM449U)
2 Check for short in harness and connector between EGR gas temp. sensor an

Page 350 of 2062

TOYOTA T100 1996  Factory Service Manual Downloaded from www.Manualslib.com manuals search engine FI7081
Waveform of Oxygen Sensor
before CatalystNormal CatalystWaveform of Oxygen Sensor
after Catalyst
P25762
Engine Speed
2500 − 3000 rpm
I

Page 351 of 2062

TOYOTA T100 1996  Factory Service Manual Downloaded from www.Manualslib.com manuals search engine FI6514
OX Signal Waveform (Oscilloscope)
1.0 V
0 V
200 msec. /Division
− DIAGNOSTICSENGINE (3RZ−FE)
DI−87
1996 TOYOTA T100   (RM449U)
(1)

Page 352 of 2062

TOYOTA T100 1996  Factory Service Manual Downloaded from www.Manualslib.com manuals search engine A00652
ECM VSV for EVAP
Throttle
Valve
Fuel Tank Charcoal
CanisterFig 1
A00647
IG Switch
(M/T)(A/T)
23W−G
2
1
EFI
EFI Relay
VSV for
ECM From