Opel Frontera UBS. Manual - part 1979

 

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Opel Frontera UBS. Manual - part 1979

 

 

4B2–63

DRIVE LINE CONTROL SYSTEM (TOD)

Check flow

Trouble code

Phenomenon

Standard

11

28

(P1760)

The shift on the fly system (front

axle disconnect) works incorrectly.

NOTE: The shift on the fly system is not changed
between 2WD and 4WD modes normally.

CAUTION: If code 32 or 33 is also observed, remove
the trouble associated with code 32 or 33 first.

D04RY00061

DRIVE LINE CONTROL SYSTEM (TOD)

4B2–64

D04RY00062

4B2–65

DRIVE LINE CONTROL SYSTEM (TOD)

Step

Action

Yes

No

1

1. Turn on the starter switch.
2. Set the transfer to the 2H mode.

Is the battery voltage observed between terminals 5 and 19?

Go to Step 2

Go to Step 5

2

Is 5V observed between terminals 10 and 19?

Go to Step 3

Go to Step 6

3

1. Set the transfer to the high (TOD) mode.

Does the voltage between terminals 5 and 19 indicate 0V?

Go to Step 4

The ECU has

failed. Replace

the ECU.

Go to Step 7

4

Does the voltage between terminals 10 and 19 indicate 0V?

The phenomenon

is not

reproduced.

Refer to

“Troubles

intermittently

observed”.

The shift on the

fly system is

failed (refer to

Section 4B and

4C of Chassis

Repair Manual).

5

Does the TOD indicator show the 2H mode?

The ECU has

failed. Replace

the ECU.

Go to Step 7

See “Trouble

Diagnosis

Depending on

The Status of

TOD Indicator”.

6

Set the transfer to the high (TOD) mode.

Does the voltage between terminals 5 and 19 indicate 0V?

The shift on the

fly system has

failed (refer to

Section 4B1 and

4C of Chassis

Repair Manual).

The ECU has

failed. Replace

the ECU.

Go to Step 7

7

1. Check that all the parts are mounted.
2. Clear the trouble code.

Is this step complete?

Repeat the

“Diagnosis Flow”.

Return to Step 7

DRIVE LINE CONTROL SYSTEM (TOD)

4B2–66

Check flow

Trouble code

Phenomenon

Standard

12

32

(P1761)

The on/off signal (ADC) line of the

shift on the fly system (front axle

disconnect) is broken, or the line is

short-circuited to the battery.

NOTE: The on/off signal line of the shift on the fly system
is broken, or the line is short–circuited to the battery.

D04RY00061

 

 

 

 

 

 

 

Content   ..  1977  1978  1979  1980   ..