1998 ISUZU TROOPER Service Repair Manual

Page 625 of 3573

ISUZU TROOPER 1998  Service Repair Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2±54
Check flowTrouble codePhenomenonStandard
1333The ADC line is short-circuited to
GND.Ð
NOTE:
The on/off signal line of the shift on the fly system is
short±ci

Page 626 of 3573

ISUZU TROOPER 1998  Service Repair Manual 4B2±55 DRIVE LINE CONTROL SYSTEM (TOD)
StepActionYe sNo
11. Turn off the starter switch.
2. Disconnect the ECU connector from ECU.
Does the resistance between terminals 5 and 19 meet the
standard, R

Page 627 of 3573

ISUZU TROOPER 1998  Service Repair Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2±56
Check flowTrouble codePhenomenonStandard
1425The CHECK lamp indicator line is
short±circuited to the battery.Ð
35The line is broken or short±circuited
to GND

Page 628 of 3573

ISUZU TROOPER 1998  Service Repair Manual 4B2±57 DRIVE LINE CONTROL SYSTEM (TOD)
StepActionYe sNo
11. Turn on the starter switch.
Is the CHECK lamp always turned on?
Go to Step 2Go to Step 3
21. Turn off the starter switch.
2. Disconnect the

Page 629 of 3573

ISUZU TROOPER 1998  Service Repair Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2±58
Trouble Diagnosis Depending on The
Status of TOD Indicator
Functional check with TOD indicator light is conducted
prior to check on Charts A±H.
After the star

Page 630 of 3573

ISUZU TROOPER 1998  Service Repair Manual 4B2±59 DRIVE LINE CONTROL SYSTEM (TOD)
Chart AIndicator drive circuit
Function of circuitThe circuit informs the indicator of the working condition of the ECU.
Fail conditionAll the TOD indicator lam

Page 631 of 3573

ISUZU TROOPER 1998  Service Repair Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2±60
StepActionYe sNo
1Turn on the starter switch.
Is the battery voltage observed between terminals 1 and 19?The ECU has
failed. Replace
the ECU.
Go to Step 2
Check

Page 632 of 3573

ISUZU TROOPER 1998  Service Repair Manual 4B2±61 DRIVE LINE CONTROL SYSTEM (TOD)
Chart B±1The 4WD switch circuit wires are broken or short-circuited to the GND
Function of circuitÐ
Fail conditionEven after the transfer mode is selected fro