transmission electrical testing on 096.pdf

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Volkswagen Golf, GTI, Jetta 93-99, Cabrio 95 - 4 Spd. Automatic Transmission 096
01-67
Transmission electrical
testing
Test requirements:
Battery Positive Voltage (B+) OK
Fuses 14 (S14) and 21 (S21) OK
Transmission Ground (GND) connections
OK:
Ground (GND) connection located on left
next to relay panel
- Check Ground connections for corrosion and
poor contact; repair if necessary.
- Check Battery Ground (GND) strap as well as
Ground (GND) strap between Battery and
transmission.
Note:
Use the hand multimeter (Fluke 83, VAG 1526
or equivalent)for testing.
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Volkswagen Golf, GTI, Jetta 93-99, Cabrio 95 - 4 Spd. Automatic Transmission 096
Use auxiliary cables from the VAG 1594
adapter kit, and the test box as specified, for
connecting test equipment.
CAUTION!
To avoid damaging the electronic
components, select the appropriate function
and measurement range on the test
equipment before connecting the test leads.
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Volkswagen Golf, GTI, Jetta 93-99, Cabrio 95 - 4 Spd. Automatic Transmission 096
01-68
Note:
The specified values are valid for ambient
temperatures ranging from 0-40
C (32-104
F).
If the measured values differ from the specified
values, determine the cause by using the wiring
diagrams.
If the measured values differ only slightly from
the specified values, clean the sockets and
connectors of the test equipment and test
leads, then repeat the test. Before replacing a
particular component, test the wiring and
connections and, particularly if specified values
are below 10 ohms (10
), repeat the
resistance measurement.
Electrical testing on Transmission Control
Module with 38-pin connector
page 01-69
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Volkswagen Golf, GTI, Jetta 93-99, Cabrio 95 - 4 Spd. Automatic Transmission 096
01-69
Electrical testing on Transmission
Control Module (TCM) with 38-pin
connector
Transmission Control Module (TCM) -J217-
location
Up to 12.92: in front of the front passenger seat
under floor covering
From 01.93: under the rear seat.
Wiring from the 38-pin TCM connector can be
checked according to the wiring diagram using
the VAG 1598 test box.
- Switch ignition OFF.
- Disconnect multi-pin connector from
Transmission Control Module (TCM) -J217-.
- Connect VAG 1598 test box to connector using
VAG 1598/9 adapter.
Resistance measurements:
VAG 1598/9 adapter disconnected from Transmission Control
Module (TCM)
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Volkswagen Golf, GTI, Jetta 93-99, Cabrio 95 - 4 Spd. Automatic Transmission 096
Voltage measurements:
VAG 1598/9 adapter connected to Transmission Control Module
(TCM)
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