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GDI <4G6> -
Troubleshooting
13A-69
INSPECTION PROCEDURE 29
EGR valve (stepper motor) system
Probable cause
The engine-ECU controls the EGR valve (stepper motor) in order to control the
amount of exhaust gas mixed in the intake air.
D
Malfunction of the EGR valve
D
Open circuit or short-circuited harness wire in the
EGR valve circuit
D
Malfunction of the engine-ECU
OK
Check the trouble symptoms.
NG
Check the harness wire between the
engine control relay and the EGR valve,
and repair if necessary.
OK
Check the trouble symptoms.
NG
Check the harness wire between the
engine-ECU and EGR valve, and repair
if necessary.
OK
Check the trouble symptoms.
NG
Replace the engine-ECU.
OK
Check the following connector:
B-53
NG
Repair
OK
Measure at the engine-ECU connector
B-53.
D
Disconnect the connector, and
measure at the harness side.
D
Voltage between 31, 32, 39, 40
and earth (Ignition switch: ON)
OK:
System voltage
NG
Check the following connector:
A-91
NG
Repair
OK
Measure at the EGR valve connector
A-91.
D
Disconnect the connector, and
measure at the harness side.
D
Voltage between 2, 5 and earth
(Ignition switch: ON)
OK:
System voltage
NG
Check the following connector:
A-14X
NG
Repair
Check theEGR valve. (Refer to GROUP
17 - Emission Control System.)
NG
Replace
Содержание Space Runner 1998
Страница 35: ...ENGINE 4G6 11A ENGINE 4G9 11B 11A 1 ENGINE CONTENTS 11109000276...
Страница 74: ...NOTES...
Страница 119: ...13A 1 FUEL CONTENTS GASOLINE DIRECT INJECTION GDI 4G6 13A GASOLINE DIRECT INJECTION GDI 4G9 13B FUEL SUPPLY 13C...
Страница 354: ...NOTES...
Страница 355: ...13C 1 FUEL SUPPLY CONTENTS 13509000197 GENERAL INFORMATION 2 FUEL TANK 3...
Страница 418: ...NOTES...
Страница 436: ...NOTES...
Страница 460: ...NOTES...
Страница 519: ...AUTOMATIC TRANSMISSION On vehicle Service 23 59 OIL SEAL LAYOUTsub 04 O A H B C D E F G I J K L M N...
Страница 532: ...NOTES...
Страница 567: ...REAR AXLE 2WD 27A REAR AXLE 4WD 27B 27A 1 REAR AXLE CONTENTS 27109000246...
Страница 660: ...NOTES...
Страница 714: ...NOTES...
Страница 722: ...NOTES...
Страница 732: ...NOTES...
Страница 772: ...NOTES...
Страница 912: ...NOTES...
Страница 913: ...INTERIOR 52A SUPPLEMENTAL RESTRAINT SYSTEM SRS 52B 52A 1 INTERIOR AND SUPPLEMENTAL RESTRAINT SYSTEM SRS CONTENTS...
Страница 954: ...NOTES...