Opel Frontera UE. Manual - part 1334

DRIVE LINE CONTROL SYSTEM (TOD)

4B2–76

Chart B–3

The TOD switch B circuit is shorted to GND or broken.

Function of circuit

—

Fail condition

Even after the transfer mode is selected from TOD to 4L, the indicator lamp state does

not change.

Indicator lamp state

TOD switch position

4L

SECTION

4B2–77

DRIVE LINE CONTROL SYSTEM (TOD)

D04R100012

SECTION

DRIVE LINE CONTROL SYSTEM (TOD)

4B2–78

 

Step

Action

Yes

No

1

1. Turn on the starter switch.

When the TOD switch is selected to the TOD position, is 0V
observed between terminals 30 and 47, and 43 and 47? Does the
voltage between the terminals 7 and 47, 19 and 47, and 8 and 47
comply with the TOD mode in the following table?

Go to 

Step 2

Repair the TOD

switch circuit.

Go to 

Step 4

2

When the TOD switch is selected to the 2H position, is 12V
observed between terminals 30 and 47, and 0V observed
between terminals 43 and 47? Does the voltage between the
terminals 7 and 47, 19 and 47, and 8 and 47 comply with the 2H
mode in the following table?

Go to 

Step 3

Repair the TOD

switch circuit.

Go to 

Step 4

3

When the TOD switch is selected to the 4L position, is 0V
observed between the terminal 30 and 47 and 12V observed
between the terminal 43 and 47? Does the voltage between the
terminals 7 and 47, 19 and 47, and 8 and 47 comply with the 4L
mode in the following table?

The phenomenon

is not

reproduced.

Refer to 

“Trouble

intermittently

observed”.

Repair the TOD

switch circuit.

Go to 

Step 4

4

1. Check that all the parts are mounted.

Is this step complete?

Verify repair.

Go to 

Step 4

Table: Indicator terminal voltage

Unit: V

TOD

switch

Terminals measured

switch

mode

Front 7

and 47

AUTO 19

and 47

Rear 8 and

47

2H

8.0 

∼

 14.5

8.0 

∼

 14.5

0

TOD

0

0

0

4L

0

8.0 

∼

 14.5

0

SECTION

4B2–79

DRIVE LINE CONTROL SYSTEM (TOD)

Chart B–4

The TOD switch B circuit is shorted to battery.

Function of circuit

—

Fail condition

Even after the transfer mode is selected from 4L to TOD, the indicator lamp state does

not change.

Indicator lamp state

TOD switch position

TOD

SECTION