1998 ISUZU TROOPER Service Repair Manual

Page 1945 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6E±52
4JX1±TC ENGINE DRIVEABILITY AND EMISSIONS
Exhaust Gas Recirculation (EGR) System Check
060RW135
Circuit Description
Introducing exhaust gas into the combustion chamber
lowers combustion temper

Page 1946 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6E±53 4JX1±TC ENGINE DRIVEABILITY AND EMISSIONS
System Check
StepActionValue(s)Ye sNo
1Move the valve up and down to check the slide
resistance.
Is the slide resistance large?
ÐGo to Step 8Go to S

Page 1947 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6E±54
4JX1±TC ENGINE DRIVEABILITY AND EMISSIONS
ECM Diagnostic Trouble Codes
The following table lists the diagnostic trouble codes
supported a Tech 2 and to flash.If any DTCs not listedhere are dis

Page 1948 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6E±55 4JX1±TC ENGINE DRIVEABILITY AND EMISSIONS
DTC
using a
Tech 2Flash DTCDescriptionMIL
P047571EXH #1 VSV Circuit Open/ShortÐ
P147571EXH #2 VSV Circuit Open/ShortÐ
P148574Intake Throttle Positio

Page 1949 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6E±56
4JX1±TC ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Trouble Code (DTC) P0107 (Flash DTC 34) 
MAP Sensor Circuit Low Voltage
060RW134
Circuit Description
The manifold absolute pressure (MAP) s

Page 1950 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6E±57 4JX1±TC ENGINE DRIVEABILITY AND EMISSIONS
DTC P0107 ± MAP Sensor Circuit  Low Voltage
StepActionValue(s)Ye sNo
1Was the ªOn-Board Diagnostic (OBD) System Checkº
performed?
ÐGo to Step 2
G

Page 1951 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6E±58
4JX1±TC ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Trouble Code (DTC) P0108 (Flash DTC 34)
 MAP Sensor Circuit High Voltage
060RW134
Circuit Description
The manifold absolute pressure (MAP)

Page 1952 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6E±59 4JX1±TC ENGINE DRIVEABILITY AND EMISSIONS
Sensor Circuit High Voltage
StepActionValue(s)Ye sNo
1Was the ªOn-Board Diagnostic (OBD) System Checkº
performed?
ÐGo to Step 2
Go to OBD
System
C