vs commodore scan tool codes

[woofer802]

Hi, Just brought a obd11 scan tool of E bay , & can't seem to find a compatible code for a v6 commodore
scan, or a download that will do the job, I relies that it probable not compatible with Aus cars but I thought it might work , any ideas yes I no were it should be stuck, thanks Woofer

[zapper-l67]

Don't Know where i got this from, But you need it so here it is...

HOLDEN COMMODORE/STATESMAN VS 3.8L V6 (VH Engine) 1995 - 1997 Engine Management System
TOYOTA LEXCEN 3.8L V6 (VH Engine) 1995 - 1997 Engine Management System

Fault Codes
System Malfunctions fall into Two Categories.
1. Hard Faults.
Indicated by the MIL being illuminated whenever the Engine is running.
2. Intermittent Faults.
These cause the MIL to be illuminated while the Fault is present.
They will go out approximately Ten Seconds after the Fault disappears.

Faults of either type will cause a fault code to be stored in memory.

Some Fault Codes do NOT illuminate the MIL.
See Fault Code Table.

All Fault Codes consist of Two Digits.

If NO Fault Codes are stored in Memory:
A Code 12 will be displayed.
This consists of;
One Flash of the MIL.
Followed by a 1.2 Second Pause.
Two Flashes of the MIL.
Followed by a Longer Pause.

The Code is then repeated.

If more than 1 Fault Code is stored in Memory:
The Code with the Lowest Numerical Value will be displayed Three Times.
The Code with the Next Higher Numerical Value will be displayed Three Times.

This Sequence will continue while ever the System remains in ;
With the Ignition Switch turned ON.

If the MIL does not show any Codes:
The Diagnostic Test Terminal is Properly Earthed.
The Ignition switch is turned ON.
A Malfunction of the Diagnostic System is indicated.

Fault Code Erasure
Ignition Key must be OFF before carrying out Fault Code Erasure

To Erase Fault Codes
Remove Fuse # 25 for more than 15 Seconds.

When viewed from the Front of the Vehicle:
There is a Group of 6 Fuses under the Relay Housing Cover behind the Battery.
Fuse # 25 is located in the Back Right Hand Corner.

Relearn Procedure
Whenever Memory Codes are cleared or components are replaced.
It will be necessary to carry out the Relearn Procedure.

In most cases the Relearn Procedure involves a Normal Test Drive.
In Some Cases, however, a More Stringent Procedure is needed.

In such a case follow the procedure outlined below:
For Automatic Transmission Models:
1. Idle in Drive for 30 Seconds with Air Conditioning ON.
2. Idle in Drive for 30 Seconds with Air Conditioning OFF.
3. Idle in Neutral for 30 Seconds with Air Conditioning ON.
4. Idle in Neutral for 30 Seconds with Air Conditioning OFF.

For Manual Transmission Models:
1. Idle in Neutral for 30 Seconds with Air Conditioning ON.
2. Idle in Neutral for 30 Seconds with Air Conditioning OFF.

Fault Code Extraction
To enter Diagnostic Mode:
Join Terminal 5 and Terminal 6 on the Diagnostic Connector.
Turn the Ignition Switch ON.

The Fault Codes will be displayed on the MIL



Field Service Mode
After any Faults have been repaired.
Field Service Mode may be implemented by;
Start the Engine.
Connect Terminal 5 & Terminal 6 in the Diagnostic Connector.

In Field Service Mode;
The MIL will initially flash 2.5 Times per Second.
This Indicates that the System is operating in Open Loop Mode.
(NOT acting on the Oxygen Sensor Output.)

When the Oxygen Sensor reaches Operating Temperature (>360°C);
This is achieved by operating the Engine for up to 2 minutes at 1500 to 1800 RPM.
The MIL Flash Rate will diminish to 1 Flash per Second.
This indicates that the System has commenced Closed Loop Mode operation.

Air / Fuel Ratio
Once in Closed Loop Mode:
The Air Fuel Ratio will be indicated by;
The Period that the MIL is ON
Compared to:
The Period that the MIL is OFF.

A Lean Mixture is indicated if:
The MIL is OFF
All or Most of the Time.

A Rich Mixture is indicated if:
The MIL is ON
All or Most of the Time.

Correct Air / Fuel Ratio is indicated by an equal ON OFF period.

The Air / Fuel Ratio may be evaluated by;
The Vehicle being driven in Field Service Mode
At any Steady Speed greater than 2000 RPM and
Observing the Duty Cycle of the MIL.

This is useful in diagnosing any Driveability Problems caused by Incorrect Fuel Delivery


Fault Code Table
Fault Codes marked *
Do NOT illuminate the Malfunction Indicator Light.

Code # Description
12 No RPM Signal
(OK stationary engine)
13 No RH Oxygen Sensor Signal
14 ECT Sensor -auto trans code
Voltage Low
15 ECT Sensor -auto trans code
Voltage High
16* ECT Sensor voltage unsteady
17* PCM Error
19 TPS Stuck Open
21 TPS Voltage High -auto trans code
22 TPS Voltage Low -auto trans code
23* IAT Voltage High
24 No VSS -auto trans code
Automatic Only
25* IAT Voltage Low
26* IAT Voltage Unstable
28 Pressure Switch Assembly -auto trans code
Short Circuit
31 Theft Deterrent Signal Missing
32 MAF Out of Range
35* Idle Speed Error
41 EST Output Circuit Failure
42 Ignition Bypass Circuit Failure
43* Knock Sensor Fault
44 RH Exhaust Lean Indication
45 RH Exhaust Rich Indication
46 No Reference Pulses while Cranking
47* 18X Reference Signal Missing
48* Crankshaft Reference Signal Missing
49* Cam / Crank Signal Error
51 PROM Error
52 System Voltage High -auto trans code
16 Volts for 109 Minutes
53 System Voltage High -auto trans code
19.5 Volts for 2 Seconds
54 System Voltage Unstable
55 Analogue to Digital Error -auto trans code
57* Injector Voltage Monitor Fault
58* Transmission Fluid Temp. -auto trans code
Voltage Low
59 Transmission Fluid Temp. -auto trans code
Voltage High
63 No LH Oxygen Sensor Signal
64 LH Exhaust Lean Indication
65 LH Exhaust Rich Indication
66* 3-2 Shift Control Solenoid Circuit Fault -auto trans code
67 TCC ON-OFF Solenoid Control Circuit -auto trans code
69* TCC Stuck ON -auto trans code
72 VSS Intermittent while Driving -auto trans code
73 Pressure Control Solenoid Current -auto trans code
75 System Voltage Low -auto trans code
76* LH & RH Short Term Fuel Trims Differ
78* LH & RH Long Term Fuel Trims Differ
79 Transmission Temperature too High -auto trans code
81 2-3 shift Control Solenoid Circuit Fault -auto trans code
82 1-2 Shift Control Solenoid Circuit Fault -auto trans code
83* Torque Converter Clutch PWM Circuit -auto trans code
92* Low Speed Cooling Fan.
No BCM (body control module) reply
93* SNEF Circuit Fault
94* No VSS
Manual Transmission
97* Canister Purge Circuit

Diagnostic Connector
The Diagnostic Connector is located under the Dashboard beneath the Steering Column.

Overview
The Engine Management System on these Vehicles is based on;
And is similar in most respects to the earlier Models.

These Vehicles (Manual & Automatic) were fitted with the Powertrain Control Module (PCM).
Included are also Statesman and Caprice Models.

These Vehicles are fitted with a Camshaft Sensor which controls Sequential Injection.
The Vehicle starts on Simultaneous Injection.

It switches to Sequential Injection upon receiving a signal from the Camshaft Sensor.

If the Camshaft Sensor fails, the Vehicle reverts to Simultaneous Injection.

The Principle Differences are that the Current Version incorporates;
1. Sequential Fuel Injection
2. A Hot Wire Mass Air Flow Meter and
3. Two Exhaust Gas Oxygen Sensors.

PCM (Powertrain Control Module)
The PCM controls all Engine and Automatic Transmission Management Functions.
It communicates with other System Modules such as;
1. The BCM (Body Control Module) and
2. The ABS (Antilock Brake System)
Via a Serial Communication Link.


Automatic Transmission
The 4L60E Transmission uses the PCM to control;
1. Transmission shifting
2. Line Pressure and
3. Torque Converter Clutch
while maintaining good driveability.
The PCM monitors Electrical Signals from various Transmission and Engines Sensors.
Fault Codes can be extracted by Connecting Pin 5 and 6 on the Diagnostic Connector.
This will illuminate the Powertrain Check Lamp.

Transmission Pass Thru Connector
This is an environment protected Connector.
It is designed to protect the Low Voltage and Low Current levels.
These pass between the PCM and the Sensors within the Transmission.
Correct connection within the Connector can be interfered with through;
1. Bent Pins
2. Pins pushing away from each other
3. Contaminants such as Dirt, Water and Corrosion within the Connector

Anything that interferes with this Connector can cause the Transmission to operate incorrectly.
It also causes Diagnostic Trouble Codes to be set.

Vehicle Speed Sensor (VSS) (Manual)
There are Two different Vehicle Speed Sensors used for the Automatic and Manual Vehicles.

The Gear driven Vehicle Speed Sensor is located in the Transmission Extension Housing.
The Sender is an Electronic Hall Effect Switch.
It pulses a Voltage to an Earth from the PCM.
The Pulses occur 10 times per revolution.
This information is used for the Speedo, IAC, Cruise Control and some Fuelling Modes.

Vehicle Speed Sensor (VSS) Automatic Vehicles
The VSS is mounted in the Extension Housing of the Transmission.
An Inductive Pick Up Style Sensor is utilised to produce the VSS Signal.
As the Transmission Output Shaft rotates;
A Toothed Rotor moves past a Coil wrapped around a Permanent Magnet.
(Both ends of the Coil are connected to the PCM)

As the Rotor turns, a fluctuating Magnetic Field is produced.
This induces a Voltage into the Coil which is sent to the PCM.
The AC Voltage produced varies between 0.5 and 100 Millivolts depending upon Vehicle Speed.

[woofer802]

Thanks Zapper-167, I have printed up your reply & will go through it, the tool I brought plugs in to my lap top, it has most European cars & codes but no Aus cars as far as I no, it is a bit out of my mental capacitive , but I am learning I think I will get a mate around on the weekend & he can give it his best shot, thanks again Woofer.!

[Decicrate]

Hmmm I wonder where that came from.....

[Brett_jjj]

The VS didnt use OBD11 until 1996,any VS's made before then are only OBD1.Most tools can only read one or the other.Not both.

[The1]

The VS didnt use OBD11 until 1996,any VS's made before then are only OBD1.Most tools can only read one or the other.Not both.

hmm i thought all vs's were obd1 with a obd11 connector, ive used efilive with a 95,96 and 97 ute and efilive only does obd1 im pretty sure, i could be wrong.

I always thought VT Series 2 onwards were OBD11 language.

[Brett_jjj]

hmm i thought all vs's were obd1 with a obd11 connector, ive used efilive with a 95,96 and 97 ute and efilive only does obd1 im pretty sure, i could be wrong.

I always thought VT Series 2 onwards were OBD11 language.

Yes,most VS's are OBD1,and use an OBD11 ALDL connector.The later model VS's used OBD11.Thats why theres a VS menu on the TECH2 scantools.I think it was mainly the VS ute series made after 1995/1996.I think the VS ute series went to like 1997 or even later than that.Its these late models anyway that were OBD11.

[The1]

the vs ute sold till 1999