Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Service manual — part 678
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) SAE 16/19 Adaptor
(3) DLC Cable
(4) Tech–2
5A–9
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 connector.
821RW021
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.
060RX065
5A–10
BRAKE CONTROL SYSTEM
060RX064
5A–11
BRAKE CONTROL SYSTEM
Data List
Display
Content
OK/NG Criteria for Data
Battery Voltage
Voltage
Between 10–16.9V
Brake Light Switch
Open/Close
Open(0V) when pedal is released
Closed(12V) when pedal is depressed.
Front Left Wheel Speed
Front Right Wheel Speed
R
L ft Wh
l S
d
MPH(km/h)
Start the vehicle and make sure of linear change in each
wheel speed.
Rear Left Wheel Speed
Rear Left Wheel Speed
Turn each wheel by hand and make sure that each speed
data change.
Wheel Sensor Status
OK/NG
To be OK usually
G–sensor
Low/High
To be Low usually
Transfer Monitor(TOD)
2 Wheel Drive
4 Wheel Drive
When 2WD: 2 Wheel Drive
When 4WD: 4 Wheel Drive
Off–Road Switch
(Transmission Input)
Active/Inactive
When shift lever position is 1, 2 and R : Active (M/T)
(Transmission Input)
When shift lever position is L and R : Active (A/T)
Valve Relay
Active/Inactive
To be Active usually
ABS State
ON/OFF
To be OFF usually
ABS Relay
Active/Inactive
To be Active usually
Return Pump Relay
Active/Inactive
To be Inactive usually
Front Left Isolation Valve
Active/Inactive
To be Inactive usually
Front Left Dump Valve
Front Right Isolation Valve
Front Right Dump Valve
Rear Isolation Valve
Rear Dump Valve
ABS Warning Lamp
ON/OFF
To be ON usually (while engine stopped)
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