Opel Frontera UBS. Service manual — part 144
DRIVE LINE CONTROL SYSTEM (TOD)
4B2–28
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 (5).
2. Connect the SAE 16/19 adapter (3) to the DLC cable
(4).
3. Connect the DLC cable to the Tech 2 (5)
4. Mark sure the vehicle ignition is off.
5. Connect the Tech 2 SAE 16/19 adapter to the vehicle
ALDL/DLC connector.
810RW308
6. The vehicle ignition turns on.
7. Verify the Tech 2 power up display.
060RW009
NOTE: The RS232 Loop back connector is only to use for
diagnosis of Tech 2 and refer to user guide of the Tech 2.
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
4B2–29
DRIVE LINE CONTROL SYSTEM (TOD)
D04RW029
DRIVE LINE CONTROL SYSTEM (TOD)
4B2–30
Diagnostic Trouble Codes
Code
Item
Diagnosis
Check flow No.
12
Start code
Normal
—
13
Ref
Shorted GND
6
14
Front speed sensor
Input abnormality (open, sig or com)
2
15
Ref
Shorted V
B
6
16
Front speed sensor
Input abnormality
3
21
TPS
Shorted or disconnected wiring, abnormality in
input
7
23
ECU
CPU abnormality
1
24
Rear speed sensor
Input abnormality (open, sig or com)
5
25
CHECK lamp
Shorted
14
26
EMC (+)
Shorted GND
10
27
Rear speed sensor
Input abnormality
4
28
ADC (+) & AXLE SW
Output abnormality
11
31
EMC (+)
Shorted or disconnected coil/wiring
9
32
ADC (+)
Shorted or disconnected coil/wiring
12
33
ADC (+)
Shorted GND
13
34
D-G MAP
Input abnormality
8
35
CHECK lamp
Shorted or disconnected wiring
14
36
ECU
CPU abnormality
1
37
ECU
CPU abnormality
1
38
ECU
CPU abnormality
1
TPS : Throttle Position Sensor
EMC : Electromagnetic coil
ADC : Shift on the fly (Axle Dis Connect)
D-G MAP : Discrimination engine type
4B2–31
DRIVE LINE CONTROL SYSTEM (TOD)
Diagnosis from Trouble Codes
D
Diagnose the TOD based on the fault that has been
saved to the control unit according to the system
self-diagnostic function.
Check flow
Trouble code
Phenomenon
Standard
1
23, 36, 37, 38
The ECU is failed.
—
Step
Action
Yes
No
1
Turn on the starter switch.
Is the trouble reproduced?
Replace the ECU
and conduct the
test run.
Go to Step 3
Go to Step 2
2
1. Clear the trouble codes.
2. Conduct the test run.
Is the trouble reproduced during the test run?
Replace the ECU
and conduct the
test run.
Go to Step 3
The trouble is not
reproduced.
Refer to
“Troubles
intermittently
observed”.
Go to Step 3
3
1. Check that all the parts are mounted.
2. Clear the trouble codes.
Is this step complete?
Repeat the
“Diagnosis Flow”.
Return to Step 3
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