Rabbit L5-2.5L (BGQ) (2008)
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Using a Multimeter, check the following wiring connection for voltage.
Camshaft Position Sensor
Motronic Engine Control Module (ECM) J623 electrical
G40 electrical harness
connector T121 terminal or test box socket
connector terminal
1
to GND
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Switch the ignition on.
Specified value: about 5 V.
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Switch the ignition off.
Checking signal wire
If the manufacturers test box is being used. Perform the following step.
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Install the Adapter Cable (121 Pin) VAG1598/31.
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Check sensor G40 integrity
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Using multimeter, check the resistance at:
Camshaft Position (CMP) Sensor
G40 connector terminals:
Value:
1 to 3
approx. 3 mohms
1 to 2
approx. 1 mohms
2 to 3
approx. 6 mohms
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If readings not in range, replace G40
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If readings within range, continue with diagnosis.
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Using a Multimeter, check the following wiring connection for voltage.
Camshaft Position (CMP)
Motronic Engine Control Module (ECM) J623 electrical
Sensor G40
connector T121 terminal or test box socket
2
GND
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Reconnect G40 connector
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Switch the ignition on.
Specified value: approx. 5 V.