S70 L5-2.4L VIN 61 B5244S (2000)
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Check the cable for power ground and signal ground to the Data Link Connector (DLC) terminals #4 and #5.
Hint: When the VCT2000 is connected to the Data Link Connector (DLC) (is powered up) the indicator LED lights green. The indicator LED then
flashes during communication with a control module. In the event of certain internal faults, the VCT2000 indicator LED will be red!
Communication cables
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Check the communication cables between Data Link Connector (DLC) terminal #7 and the connected control modules.
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Check for an open-circuit.
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Check for a short-circuit to ground.
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Check for a short-circuit to supply voltage.
Communication cable for the cruise control as an independent system (not integrated)
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Check the communication cable between the Data Link Connector (DLC) terminal #13 and the cruise control control module.
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Check the cable for an open-circuit, short-circuit to ground and a short-circuit to supply voltage.
Communication cable for engine management system Fenix 5.1 and diesel (not Lucas)
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Check the communication cables between the Data Link Connector (DLC) terminal #11/#15 and the engine control module (ECM).
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Check the cable for an open-circuit, short-circuit to ground and a short-circuit to supply voltage.
Control modules
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Check that the control module power supply and ground terminal are fault-free.
VCT2000 and wiring
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Try new wiring and/or a new VCT2000 if no faults are detected after the above fault-tracing.
