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22

AIR BAGS

SRS

4.2.2Write VIN Number :-

Vehicle identification number is unique for a particular

vehicle . The ECU dispatched along with the vehicle

should contain its identification number.

To enter VIN in the ECU click the button. If VIN

number is already entered there is a authorization

password to re-write the VIN number. Enter the VIN

number and press ‘OK’. The software checks for

the validity of the chassis number. If not valid it

prompts for the valid VIN number, Otherwise write

status is displayed.

4.2.3 Read ECU Information :

On this input the software reads ‘ECU data’ from

the ECU , and displays the decoded Data as :-

l

VIN number

l

Model Description

l

Squib Configuration

l

AutoLiv product Number

l

AutoLiv Hardware version

l

AutoLiv Software version

4.2.4Read DiagnosticTrouble Codes :-

The ECU scans the harness and records the

Error codes onto its memory . The ECU can

store maximum four Error Codes .The software

reads these Error codes from the ECU and

displays them , with its description.

If there are any errors with the entire AIR BAG

SYSTEM the DIAGNOSTIC UNIT will indicate

these errors and hence corrective action can

be taken accordingly.

For eg.

1. Warning lamp error.

2. Battery voltage error.

3. Over heat error.

4. Accelerometer error.

5. Squib resistance error etc.

See following pages for table for error codes &

corrective action to be taken.

VIN Entry Form :-

403152HWZN02921