Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Service 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
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