Opel Frontera UBS. Manual - part 1977

4B2–55

DRIVE LINE CONTROL SYSTEM (TOD)

Check flow

Trouble code

Phenomenon

Standard

7

21

(P1716)

The voltage of the throttle position

sensor (TPS) is faulty.

The signal voltage from the TPS deviates from the stan-
dard range.

D04RY00053

DRIVE LINE CONTROL SYSTEM (TOD)

4B2–56

Step

Action

Yes

No

1

1. Turn off the starter switch.

Is the battery voltage normal?

Go to Step 2

Charge or

replace the

battery.

Go to Step 6

2

1. Turn on the starter switch.

Does the voltage between terminals 21 and 19 fall within the
standard range above?

Go to Step 3

Go to Step 3

3

1. Turn off the starter switch.
2. Disconnect the ECU connector.
3. Turn on the starter switch.

Does the voltage between terminals (B–68)9 and (B–67)11 fall
within the standard range above?

The ECU has

failed. Replace

the ECU.

Go to Step 6

Go to Step 4

4

Is the harness healthy?

Go to Step 5

Repair the

harness.

Go to Step 6

5

Is the TPS healthy?

Go to Step 6

Replace the TPS.

Go to Step 6

6

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

Is this step complete?

Repeat the

“Diagnosis Flow”.

Go to Step 6

4B2–57

DRIVE LINE CONTROL SYSTEM (TOD)

Check flow

Trouble code

Phenomenon

Standard

8

34

The diesel/gasoline engine identifi-

cation signal is faulty.

6VE1: Continuity established

4JX1: No continuity

The engine identification signals of 6VE1 and 4JX1 are
changed each other.

D04RY00053

DRIVE LINE CONTROL SYSTEM (TOD)

4B2–58

6VE1

Step

Action

Yes

No

1

1.  Turn off the starter switch.

Is the continuity established between terminals 14 and 19?

Go to Step 2

The harness is
broken. Repair

the circuit.

Go to Step 3

2

1.  Turn on the starter switch.

Does the voltage between terminals 14 and 19 indicate 0V?

The phenomenon

is not

reproduced.

Refer to

“Troubles

intermittently

observed”

The ECU has

failed. Replace

the ECU.

Go to Step 3

3

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

Is this step complete?

Repeat the

“Diagnosis Flow”.

Return to Step 3

4JX1

Step

Action

Yes

No

1

1.  Turn off the starter switch.

Is the continuity established between terminals 14 and 19?

The harness for

terminal 14 is

short–circuited to

GND.

Repair the circuit.

Go to Step 3

Go to Step 2

2

1.  Turn on the starter switch.

Does the voltage between terminals 14 and 19 indicate 5V?

The phenomenon

is not

reproduced.

Refer to

“Troubles

intermittently

observed”

The ECU has

failed. Replace

the ECU.

Go to Step 3

3

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

Is this step complete?

Repeat the

“Diagnosis Flow”.

Return to Step 3