Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual - part 159

5A–14

BRAKE CONTROL SYSTEM

Getting Started

D

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 2 (4).

2. Connect the SAE 16/19 adapter (2) to the DLC cable

(3).

3. Connect the DLC cable to the Tech 2 (4).
4. Make sure the vehicle ignition is off.
5. Connect the Tech 2 SAE 16/19 adapter to the vehicle

DLC.

826R200011

6. The vehicle ignition turns on.
7. Power up the Tech 2.
8. Verify the Tech 2 power up display.

060RW009

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.

060R100102

5A–15

BRAKE CONTROL SYSTEM

060R200078

5A–16

BRAKE CONTROL SYSTEM

DATA LIST

The data displayed by DATA LIST are as follows:

Display

Content

OK/NG Criteria for Data

Front Left Wheel Speed
Front Right Wheel Speed
Rear Wheel Speeds

km/h (MPH)

D

Start the vehicle and make sure of linear change in
each wheel speed.

D

Turn each wheel by hand and make sure that each
speed data change.

Warning Lamp

ON/OFF

D

To be OFF usually

ABS State

ON/OFF

D

To be OFF usually

ABS Relay

Active/Inactive

D

To be Active usually

4 Wheel Drive

Active/Inactive

D

2WD: Inactive

D

4WD: Active

Brake Switch

Active/Inactive

D

Inactive (Released)

D

Active (Pressed)

Brake Fluid Level

Normal or not

D

To be Normal usually

Return Pump

Active/Inactive

D

To be Inactive usually

DRP (Dynamic Rear
Proportioning)

Active/Inactive

D

To be Inactive usually

Rear Dump Valve Commanded

Active/Inactive

D

To be Inactive usually

Rear Dump Valve Feedback

Rear Isolation Valve
Commanded

Rear Isolation Valve Feedback

FL Dump Valve Commanded

Active/Inactive

D

To be Inactive usually

FL Dump Valve Feedback

FL Isolation Valve Commanded

FL Isolation Valve Feedback

FR Dump Valve Commanded

Active/Inactive

D

To be Inactive usually

FR Dump Valve Feedback

FR Isolation Valve
Commanded

FR Isolation Valve Feedback

G–Sensor

Voltage

D

2.50V when vehicle is stopped

Battery Voltage

Voltage

D

Between 10–16.9V

5A–17

BRAKE CONTROL SYSTEM

ACTUATOR TEST

This mode is used to exercise the ABS actuators and
make sure they operate normally.  Prior to the test, pay
attention to the cautions below. (When checking the
solenoid valve system, be sure to jack up the vehicle.)

CAUTION:

D

Before testing, be sure that the brakes work normally.

D

Make sure that the battery is fully charged.Conduct
the test by two persons (A TECH 2 operator and a
vehicle checker).

D

Be sure to start ACTUATOR TEST with the engine
stopped.

D

Before testing, make sure that electrical trouble, if
any, has been completely repaired.  Conducting tests
of ABS solenoid with electrical circuit problem
remaining uncorrected could damage the control unit.

F05R200001