1998 ISUZU TROOPER Service Repair Manual

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Page 593 of 3573

ISUZU TROOPER 1998 Service Repair Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2±22
No.Connector face
H-8
H-10
H-12
H-15
H-25
H-26
H-27
H-32
H-49
I-9
I-12
M-22
M-23
M-24

Page 594 of 3573

ISUZU TROOPER 1998 Service Repair Manual 4B2±23 DRIVE LINE CONTROL SYSTEM (TOD)
Checking Failed Pin
Connector Pin Assignment
ECU pin assignment
D04RW032

Page 595 of 3573

ISUZU TROOPER 1998 Service Repair Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2±24
No.NAMECONTENTS
1VIGPower supply (IG)
2N.CNot used
34WD OUT4WD signal output
4SOL (+)Electromagnetic solenoid
5ADC (+)Axle disconnect output
6LIGHTING SWLightin

Page 596 of 3573

ISUZU TROOPER 1998 Service Repair Manual 4B2±25 DRIVE LINE CONTROL SYSTEM (TOD)
Reference
Transfer connector pin assignment (connector on the
transfer case)
for inspection of transfer pins.
810RW310
No.NAMECONTENTS
1Ref. (Rer. )Rear speed

Page 597 of 3573

ISUZU TROOPER 1998 Service Repair Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2±26
Checking Failed TOD Control Unit Pin
NOTE:
1. Unplug the ECU connector and the pins, unless
otherwise specified.2. Before removing the ECU, turn off the ignitio

DRIVE LINE CONTROL SYSTEM (TOD) 4B2±26
Checking Failed TOD Control Unit Pin
NOTE:
1. Unplug the ECU connector and the pins, unless
otherwise specified.2. Before removing the ECU, turn off the ignition switch.
3. If the standard values are not observed, check the
pins with other testers.
Check
Pin
No.Circuit to be
testedIgnition
Switch
PositionEngine
StateMultimeter
Scale/
RangeMeasure
between Pin
NumberStandard ValveNote
14D-G MAPOFFSTOP14, 19Continuity : OK
(Gasoline)
20P-GNDOFFSTOP20, 19Continuity : OK
19GNDOFFSTOP19, GNDContinuity : OK
84H SWOFFSTOP8, 19No continuity (high,
4L) and continuity
(N) : OK
94L SWOFFSTOP9, 19No continuity (high)
and continuity (4L,
N) : OK
10AXLE SWONRUN10, 19Continuity : OKRemove ECU and start the engine. Move
the vehicle forth and back to connect axle
surely.
13DIAGOFFSTOP13 (TOD), 8
(DLC Con-
nector)Continuity : OKDLC connector terminal 8
25IND.aONSTOPDCV25 (+), 19 (±)8.0 ~14.5 VLighting SW ON : 0V
Lighting SW OFF : 8.0 ~14.5 V
26IND.bONSTOPDCV26 (+), 19 (±)8.0 ~14.5 V
27IND.cONSTOPDCV27 (+), 19 (±)8.0 ~14.5 V
30CHECK
LAMPONSTOPDCV30 (+), 19 (±)8.0 ~14.5 V
11ABS INONSTOPDCV11 (+), 19 (±)11.5 ~14.5 V
15Ref.ONSTOPDCV15 (+), 19 (±)5 ~9 VConnect ECU
24Ft.(+)ONSTOPDCV24 (+), 19 (±)0.7 ~6 VConnect ECU (off one tooth of speed
sensor ring) and move the vehicle making
sure of voltage change.
23Rr.(+)ONSTOPDCV23 (+), 19 (±)0.7 ~6 VConnect ECU (off one tooth of speed
sensor ring) and move the vehicle making
sure of voltage change.
18COM(-)ONSTOPDCV18 (+), 19 (±)0VConnect ECU
1VigONSTOPDCV1 (+), 19 (±)8 ~14.5 V
7BRAKEOFFSTOPDCV7 (+), 19 (±)8 ~14.5 VPress brake pedal
21TPSONSTOPDCV21 (+), 19 (±)0.2 ~4.6 VStep on the accelerator pedal and make
sure that voltage changes.
34WD OUTOFFSTOP3, 197 ~12 kDisconnect battery GND terminal
5ADC(+)OFFSTOP5, 1910 ~30 Disconnect battery GND terminal
4SOL(+)OFFSTOP4, 191.0 ~5.0 Disconnect battery GND terminal
12TOD SWONSTOPDCV12 (+), 19 (±)SW OFF : 0 V
SW ON : 8.0 ~14.5 VSW OFF : Contact point open
SW ON : Contact point close
6LIGHTINGONSTOPDCV6 (+), 19 (±)SW OFF : 8.0 ~14.5
V
SW ON : 0 V
28AUTO INDIONSTOPDCV28 (+), 19 (±)TOD : 0 V
2H & 4L : 8.0 ~14.5
VLighting SW ON : 0V
Lighting SW OFF : 8.0 ~14.5 V
29RR INDIONSTOPDCV29 (+), 19 (±)0 V
17US/JAPOFFSTOP17 (+), 19 (±)No continuity : OK

Page 598 of 3573

ISUZU TROOPER 1998 Service Repair Manual 4B2±27 DRIVE LINE CONTROL SYSTEM (TOD)
Tech 2 Scan Tool
From 98 MY, Isuzu dealer service departments are
recommended to use Tech 2. Please refer to Tech 2 scan
tool user guide.
901RW180
Legend
(1) PC

Page 599 of 3573

ISUZU TROOPER 1998 Service Repair Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2±28
Getting Started
Before operating the Isuzu PCMCIA card with the
Tech 2, the following steps must be performed:
1. The Isuzu 98 System PCMCIA card (1) inserts i

Page 600 of 3573

ISUZU TROOPER 1998 Service Repair Manual 4B2±29 DRIVE LINE CONTROL SYSTEM (TOD)
D04RW029

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