1998 ISUZU TROOPER Service Repair Manual

Page 817 of 3573

ISUZU TROOPER 1998  Service Repair Manual 5A±7 BRAKE CONTROL SYSTEM
Basic Inspection Procedure
1. Basic Inspection of System Brake 
StepActionYe sNo
1Is the fluid level normal?
Go to Step 2
Replenish with
fluid.
 Go to Step 2
2Does fluid lea

Page 818 of 3573

ISUZU TROOPER 1998  Service Repair Manual 5A±8
BRAKE CONTROL SYSTEM
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.
901RW257
Legend
(1) PCMCIA Card
(2)

Page 819 of 3573

ISUZU TROOPER 1998  Service Repair Manual 5A±9 BRAKE CONTROL SYSTEM
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 into
the Tech

Page 820 of 3573

ISUZU TROOPER 1998  Service Repair Manual 5A±10
BRAKE CONTROL SYSTEM
Operating Procedure
The power up screen is displayed when you power up the
tester with the Isuzu systems PCMCIA card. Follow the
operating procedure below.
060RW014
060RW02

Page 821 of 3573

ISUZU TROOPER 1998  Service Repair Manual 5A±11 BRAKE CONTROL SYSTEM
Data List
DisplayContentOK/NG Criteria for Data
Battery VoltageVoltageBetween 10-16.9V
Brake Light SwitchOpen/CloseOpen(0V) when pedal is released
Closed(12V) when pedal

Page 822 of 3573

ISUZU TROOPER 1998  Service Repair Manual 5A±12
BRAKE CONTROL SYSTEM
EHCU Connector Pin-out Checks
Disconnect Electronic Brake Control Module.
Perform checks with high impedance digital
multimeter (5-8840-0366-0) or equivalent.
No.
Circuit

Page 823 of 3573

ISUZU TROOPER 1998  Service Repair Manual 5A±13 BRAKE CONTROL SYSTEM
Circuit Diagram (LHD model / 6VD1 and 4JG2)
D08RW793

Page 824 of 3573

ISUZU TROOPER 1998  Service Repair Manual 5A±14
BRAKE CONTROL SYSTEM
Circuit Diagram (LHD model / 4JG2)
D08RW792