Opel Frontera UBS. Manual - part 2263

6E–88

6VE1 3.5 ENGINE DRIVEABILITY AND EMISSIONS

No Malfunction Indicator Lamp (MIL)

  (Cont'd)

Step

No

Yes

Value(s)

Action

15

Locate and repair the short to ground in the PCM
ignition feed circuit or PCM battery feed circuit.

Is the action complete?

—

Verify repair

—

16

Locate and repair the short to ground in the ignition
feed circuit to the instrument cluster, and replace the
fuse.

Is the action complete?

—

Verify repair

—

17

Replace the PCM.

IMPORTANT: The replacement PCM must be
programmed. Refer to 

PCM in ON-Vehicle Service for

procedures.

And also refer to latest Service Bulletin.

Check to see if the Latest software is released or not.
And then Down Load the LATEST PROGRAMMED
SOFTWARE to the replacement PCM.

Is the action complete?

—

Verify repair

—

18

Check the MIL driver circuit for a poor connection at the
instrument panel connector.

Was a problem found?

—

Verify repair

Go to

Instrument

Panel in

Electrical

Diagnosis

6E–89

6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS

Malfunction Indicator Lamp (MIL) “ON” Steady

D06R200111

Circuit description

The malfunction indicator lamp (MIL) should always be
illuminated and steady with ignition “ON” and the engine
stopped.  Ignition feed voltage is supplied directly to the
MIL indicator.  The powertrain control module (PCM)
turns the MIL “ON” by grounding the MIL driver circuit.
The MIL should not remain “ON” with the engine running
and no DTC(s) set.  A steady MIL with the engine running
and no DTC(s) suggests a short to ground in the MIL
driver circuit.

Diagnostic Aids

An intermittent may be caused by a poor connection,
rubbed-through wire insulation, or a wire broken inside
the insulation.  Check for the following items:

D

Poor connection or damaged harness – Inspect the
PCM harness and connectors for improper mating,
broken locks, improperly formed or damaged
terminals, poor terminal-to-wire connection, and
damaged harness.

Test Description

Number(s) below refer to the step number(s) on the
Diagnostic Chart.
2. If the MIL does not remain “ON” when the PCM is

disconnected, the MIL driver wiring is not faulty.

3. If the MIL driver circuit is OK, the instrument panel

cluster is faulty.

6. This vehicle is equipped with a PCM which utilizes

an electrically erasable programmable read only
memory (EEPROM).  When the PCM is replaced,
the new PCM must be programmed.  Refer to 

PCM

Replacement and Programming Procedures in
Powertrain Control Module (PCM) and Sensors.

6E–90

6VE1 3.5 ENGINE DRIVEABILITY AND EMISSIONS

Malfunction Indicator Lamp (MIL) “ON” Steady

 

Step

Action

Value(s)

Yes

No

1

Was the “On-Board diagnostic (OBD) System Check”
performed?

—

Go to 

Step 2

Go to 

OBD

System

Check

2

1. Ignition “OFF”, disconnect PCM.
2. Ignition “ON”, observe the MIL (Service Engine

Soon lamp).

Is the MIL “ON”?

—

Go to 

Step 3

Go to 

Step 5

3

1. Ignition “OFF”, disconnect the instrument panel

cluster.

2. Check the MIL driver circuit between the PCM and

the instrument panel cluster for a short to ground.

3. If a problem is found, repair as necessary.

Was the MIL driver circuit shorted to ground?

—

Go to 

OBD

System

Check

Go to 

Step 4

4

Replace the instrument panel cluster.

Is the action complete?

—

Go to 

OBD

System

Check

—

5

1. Ignition “OFF”, reconnect the PCM.
2. Ignition “ON”, reprogram the EEPROM. Refer to

On-Vehicle Service in Powertrain Control Module
and Sensors for procedures.

3. Using the Tech 2 output controls function, select

MIL dash lamp control and command the MIL
“OFF”. (Refer to the Miscellaneous test)

Did the MIL turn “OFF”?

—

Go to 

OBD

System

Check

Go to 

Step 6

6

Replace the PCM.

IMPORTANT: The replacement PCM must be
programmed. Refer to 

On-Vehicle Service in

Powertrain Control Module and Sensors for
procedures.

And also refer to latest Service Bulletin.

Check to see if the Latest software is released or not.
And then Down Load the LATEST PROGRAMMED
SOFTWARE to the replacement PCM.

Is the action complete?

—

Go to 

OBD

System

Check

—

6E–91

6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS

No Service Vehilce Soon (SVS) Lamp

D06R200111

Circuit Description

The Service Vehicle Soon (SVS) lamp is a lamp which
added the function of Immobi warning to the Reduced
Power Lamp (RPL).
The SVS lamp should always be illminated and steady
with the ignition “ON” and the engine stopped.  Ignition
feed voltage is supplied to the SVS lamp bulb through the
meter fuse.  The powertrain control module (PCM) turns
the SVS lamp “ON” by grounding the SVS lamp driver
circuit.

Diagnostic Aids

An intermittent SVS lamp may be cased by a poor
connection, rubbed-through wire insulation, or a wire
broken inside the insulation.  Check for the following
items:

D

Inspect the PCM harness and connections for
improper mating, broken locks, improperly formed or
damaged terminals, poor terminal-to-wire
connection, and damaged harness.

D

If the engine runs OK, check for a faulty light bulb, an
open in the SVS lamp driver circuit, or an open in the
instrument cluster ignition feed.

D

If the engine cranks but will not run, check for an open
PCM ignition or battery feed, or a poor PCM to engine
ground.

Test Description

Number(s) below refer to the step number(s) on the
Diagnostic Chart.
2. A “No SVS lamp” condition accompanied by a

no-start condition suggests a faulty PCM ignition
feed or battery feed circuit.

9. Using a test light connected to B+, probe each of the

PCM ground terminals to ensure that a good ground
is present.  Refer to 

PCM Terminal End View for

terminal locations of the PCM ground circuits.

12.In this step, temporarily substitute a known good

relay for the PCM relay.  The horn relay is nearby,
and it can be verified as “good” simply by honking
the horn.  Replace the horn relay after completing
this step.

17.This vehicle is equipped with a PCM which utilizes

an electrically erasable programmable read only
memory (EEPROM).  When the PCM is replaced,
the new PCM must be programmed.  Refer to 

PCM

Replacement and Programming Procedures
Powertrain Control Module (PCM) and Sensors.