A6 Quattro Sedan V6-3.0L (AVK) (2002)
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Connect multimeter as follows to measure voltage:
Connector
Measure to
terminal
1
Engine ground
-
Switch ignition on.
-
Specified value: approx. 5 V
Checking signal wire
-
Connect multimeter as follows to measure voltage:
Connector
Measure to
terminal
2
Engine ground
-
Switch ignition on.
-
Specified value: approx. battery voltage
Checking ground wire
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Connect multimeter as follows to measure voltage:
Connector
Measure to
terminal
3
Battery positive
-
Specified value: approx. 10 V
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Repair any open/short circuit as necessary.
If the specified values are all achieved and the LED test light does not flash (measured between terminals 1 and 2 with starter connector attached):
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Install a new CMP sensor.
If the specified values are not obtained:
Checking wiring between CMP sensor and engine control module.
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Connect test box VAG 1598/31 to wiring harness for engine control module; do not connect engine control module. See: Computers and Control
Systems/Testing and Inspection/Scan Tool Testing and Procedures/Scan Tool Testing/Scan Tool Connecting and Initial Checks/Wiring and
Component Testing Using VAG1598/31 Test Box
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Check for open circuit and short to positive or ground in following wiring connections:
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Camshaft position (CMP) sensor -G40- (Bank 1)
Connector
Test box VAG 1598/31
terminal
Socket
1 (positive)
98
2 (signal)
87
3 (ground)
108
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Camshaft position (CMP) sensor 2 -G163- (Bank 2)
Connector
Test box VAG 1598/31
terminal
Socket