Opel Frontera UBS. Manual - part 1989

 

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Opel Frontera UBS. Manual - part 1989

 

 

4B2–103

DRIVE LINE CONTROL SYSTEM (TOD)

Step

No

Yes

Action

15

When the transfer lever is shifted to the high position and 4WD
AUTO SW is selected to the 4WD position, is 0V observed on
each VSV?

Go to Step 16

Repair the circuit

or replace the

VSV.

Go to Step 19

16

When the transfer lever is shifted to the 4L position, is 0V
observed on each VSV?

Go to Step 17

Repair the circuit

or replace the

VSV.

Go to Step 19

17

Is the vacuum pressure supplied to the VSV?

Go to Step 18

Repair the

vacuum system.

Go to Step 19

18

Can the single AXLE switch enable and disable the continuity?

Repair the shift

on the fly system

(refer to Section

4B1 and 4C.)

Replace the

AXLE switch

(refer to Section

4B1 and 4C  of

Chassis Repair

Manual).

19

Check that all the parts are mounted.

Is this step complete?

Repeat the

“Diagnosis Flow”.

Return to Step 19

DRIVE LINE CONTROL SYSTEM (TOD)

4B2–104

Chart E–2

The AXLE switch circuit is short-circuited to GND.

Function of circuit

Fail condition

Even after the 4WD AUTO SW is select to the 2WD position, the 2WD mode is not

enabled. (The transition status is not removed.)

Indicator lamp status

Transfer position

2H

D04RY00068

4B2–105

DRIVE LINE CONTROL SYSTEM (TOD)

D04RY00069

DRIVE LINE CONTROL SYSTEM (TOD)

4B2–106

D04RY00070

 

 

 

 

 

 

 

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