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Volkswagen
vehicles 1988-1995 obd1 code retrieval
You can access your check engine light codes in Volkswagen
vehicles for vehicles made from 1988 to 1994. It is
done using 2 ways: one type using a rocker switch
located at the bottom at your dash panel and a second
type using a jumper connected to the diagnostic connector
located in the console
When activating the codes using the fist type, press
and hold down the rocker switch for 4-5 seconds and
with ignition key on, engine off. Release the switch
after the code starts flashing in the dash (see “check”
light in the dash) and press and hold it again for
4-6 seconds and the rest of the codes should continue
flashing.
Using the jumper wire, connect the black end of the
jumper wire to the black diagnostic connector of the
center console while the white end of the jumper wire
connects to the white diagnostic connector of the
center console. The jumper wire is available from
the dealer and is called “wire cable 357 971
514E”. This jumper wire must be connected for
5 seconds and remove after the codes begin flashing.
For both systems, a code is flashed at 2.5 seconds
each and comes as a four digit codes. As soon as you
get codes 4444 or 0000, it means the end of the code
and it can be stopped by turning the key off. After
performing repairs and if you do not get code 4444,
it means the problem is not fixed.
To clear the codes, wait until code 4444 is displayed
and turn the ignition switch off. Connect the jumper
wire to the diagnostic connectors again and turn the
ignition switch on. Leave the jumper wire for 5 seconds
and wait if code 4444 to appear again. When it does,
the codes are erased and the ignition switch can be
turned off and jumper wire remove.
Here are common obd1 Volkswagen codes 1988 to 1994:
Code 4444 No fault indicated
Code 2212 Throttle valve potentiometer fault
Code 2312 Engine coolant sensor fault
Code 2322 Intake air temperature sensor fault
Code 2342 Oxygen sensor fault
Code 2141 Knock sensor fault
Code 2341 Oxygen sensor control (vacuum or exhaust
leak, wiring fault)
Code 2323 Air flow sensor fault
Code 4411 Fuel injector fault
Code 1111 Control unit
Code 0000 End of code transfer: 2.5 second flashes
at 2.5 seconds interval
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