A4 Quattro Wagon V6-3.2L (BKH) (2005)
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Control Module: Testing and Inspection
Transmission Control Module (TCM) J217 Voltage Supply, Checking
Transmission Control Module (TCM) J217, Voltage Supply, Checking
NOTE: The Transmission Control Module (TCM) J217 is a component of the mechatronic unit in the transmission and cannot be replaced separately.
Special tools, testers and auxiliary items required
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Multimeter.
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Wiring diagram.
Requirements
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The Transmission Control Module (TCM) J217 fuses OK.
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The battery voltage must be at least 12.5 volts.
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The Ground (GND) connections at the transmission OK.
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The parking brake engaged.
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The selector lever of automatic transmission in position "P".
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All electrical consumers switched off.
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The ignition switched off.
Test sequence
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Disconnect the Transmission Control Module (TCM) J217 electrical harness connector - direction of the arrow -.
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Check the electrical harness connector for damage, contact corrosion, or ingress of water.
If the electrical harness connector is not OK:
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Repair the malfunction.
If the electrical harness connector is OK:
Checking voltage
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Switch the ignition on.
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Using a Multimeter, check the Power Supply Relay (terminal 15) J329 socket 2/87 to Ground (GND).
Specified value: battery voltage.
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Switch the ignition off.
If the specified value was not obtained:
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Check the wiring from the Power Supply Relay (terminal 15) J329 socket 2/87 to the Transmission Control Module (TCM) J217 electrical harness
connector terminal 9 for an open circuit or a short circuit.
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If necessary, repair the faulty wiring connection.
If the specified value was obtained:
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Using a Multimeter, check the Transmission Control Module (TCM) J217 electrical harness connector terminal 14 to Ground (GND).
Specified value: battery voltage.
If the specified value was obtained:
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Check the wiring from the Battery to the Transmission Control Module (TCM) J217 electrical harness connector terminal 14 for an open circuit or
a short circuit.
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If necessary, repair the faulty wiring connection.
If the specified value was obtained:
