Volkswagen Golf / Golf GTI / Jetta. Manual — part 824

01-73

Display

zone

Designation

Display

contents

Corrective action

1

Too high

Display changes to "correct"

Display remains on "too high"

Display changes to "correct"

Display remains on "too high"

Display changes to "too high"

- Pull igniter connector off airbag unit

- Fit igniter connector onto inert igniter on
VAS 5056B

Page 01-85

.

- Replace airbag unit

- Pull off connector between wiring harness
and coil connector with slip ring

- Connect test box VAS 5056B to driver's
circuit wiring harness instead of coil
connector with slip ring

Page 01-85

.

- Replace coil connector with slip ring

- Press button on VAS 5056B

- Replace wiring harness

Continued on next page

Airbag system, On Board Diagnostic (OBD)

13/2/2005

01-74

Display

zone

Designation

Display

contents

Corrective action

2

Igniter for airbag
(front passenger's)
-N131-

Correct

Trig.

Ground

Trig.

positive

Too low

Too high

No DTC's present

Display changes to "too high"

Display remains on "too low"

Display changes to "too low"

Display remains on "too high"

- Visual check of wiring

- Watch display and check connectors of
appropriate current circuit for correct
engagement and tight fit. If display
changes to "correct", erase DTC
memory

- Separate connector between wiring
harness and adapter cable to airbag unit

- Replace airbag unit

- Replace wiring harness

- Connect test box VAS 5056B to
passenger's circuit wiring harness

Page 01-85

.

- Press button on VAS 5056B

- Replace airbag unit

- Replace wiring harness

Airbag system, On Board Diagnostic (OBD)

13/2/2005

01-75

Display

zone

Designation

Display

contents

Corrective action

3

Igniter driver's belt
tensioner -N153-

1)

Correct

Too high

Too low

Trig.

Ground

Trig.

positive

not

installed

- Visual check of wiring

- Watch display and check connectors
of appropriate current circuit for correct
engagement and tight fit. If the display
changes to "correct", erase DTC
memory

- Replace driver's/front passenger's belt
tensioner

4

Igniter front
passenger's belt
tensioner -N154-

1)

Correct

Too high

Too low

Trig.

Ground

Trig.

positive

not

installed

1)

Only valid for vehicles with electrical seat belt tensioners, for vehicles with mechanical

seat belt tensioners the display indication has no meaning i.e. "not installed" will be
displayed.

Airbag system, On Board Diagnostic (OBD)

13/2/2005

01-76

Display group 003

Display group 003

Read Measuring Value
Block 3

Indicated on display

xxx

xxx

xxx

xxx

1

2

3

4

Display zones

Specification Evaluation

Right Front Seatbelt
Microswitch -F141

not installed

or

belt: yes

belt: no

Left Front Seatbelt Microswitch
-F140

not installed

or

belt: yes

belt: no

Front passenger's seat occupied
recognition

not installed

Voltage supply

correct

Page 01-

77

Airbag system, On Board Diagnostic (OBD)

13/2/2005