Passat Syncro Wagon V6-2.8L (ATQ) (2000)
Test sequence
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Connect test box to control module wiring harness, connect test box for wiring test. Refer to "Scan Tool Connecting/Test Box, Connecting For
Wiring Test".
See: Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/With Generic Scan Tool/Test Box, Connecting For
Wiring Test
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Check the central termination resistor in the Engine Control Module (ECM):
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To do this, measure resistance between test box socket 58 + 60:
Specified value: 60 to 72 Ohms
If resistance value is not in expected range:
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Replace Motronic Engine Control Module (ECM) -J220-.
If resistance value is in expected range:
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Disconnect test box from Engine Control Module (ECM).
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Connect test box to control module wiring harness.
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Check CAN-Bus wires for shorts among one another:
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To do this, perform a resistance measurement between test box sockets 58 + 60:
Specified value: Infinity Ohms
If specified value is obtained (wires have no shorts):
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Eliminate malfunction in wires (see wiring diagram).