1998 ISUZU TROOPER Service Repair Manual

Page 577 of 3573

ISUZU TROOPER 1998  Service Repair Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2±6
High-Low Planetary Gear Set
Establishes an auxiliary transmission mechanism.  When
the transfer shift lever is set to the 2H or TOD position, the
reduction gear

Page 578 of 3573

ISUZU TROOPER 1998  Service Repair Manual 4B2±7 DRIVE LINE CONTROL SYSTEM (TOD)
Check Lamp
Inform the following items.
Bulb check
Fail (fail alarm)
Trouble code
Diesel/gasoline MAP
821RW078
TOD ECU
This control unit is mounted to the fro

Page 579 of 3573

ISUZU TROOPER 1998  Service Repair Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2±8
Functions of Indicator Lamp
TOD Indicator Lamps
C07RW045
Indication During Transition of Transfer Lever
When the transfer lever is shifted, and the signals from

Page 580 of 3573

ISUZU TROOPER 1998  Service Repair Manual 4B2±9 DRIVE LINE CONTROL SYSTEM (TOD)
C07RW061
Bulb Check
When the starter switch is turned on, the TOD indicator
lamps go on as shown below.NOTE: Once the starter switch is turned on, all the TOD
in

Page 581 of 3573

ISUZU TROOPER 1998  Service Repair Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2±10
Simplified checking method of ABS IN and BRAKE ON signals:
In the event that any of the signal inputs listed below are
observed while the self-diagnostic code i

Page 582 of 3573

ISUZU TROOPER 1998  Service Repair Manual 4B2±11 DRIVE LINE CONTROL SYSTEM (TOD)
The CHECK lamp also has the following functions.
D-G MAP recognition and display (The control unit
displays what type of vehicle, diesel or gasoline
vehicle, it

Page 583 of 3573

ISUZU TROOPER 1998  Service Repair Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2±12
Diagnosis
General Information Diagnosis
The troubles on TOD are classified into the group that can
be identified by the lighting status of the TOD indicator
lam

Page 584 of 3573

ISUZU TROOPER 1998  Service Repair Manual 4B2±13 DRIVE LINE CONTROL SYSTEM (TOD)
Indication Method of Trouble Code
Short-circuit terminal 8 of the self-diagnostic
connector to GND to display the trouble code on the
CHECK lamp.
810RW308
If