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Audi
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2006
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A4 Base, 2D Convertible
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Repair and Diagnosis
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Engine Performance
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1.8L - Ignition System, Engine Code(S): AMB
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Ignition System
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Ignition system, checking
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Camshaft position (CMP) sensor -G40-, checking
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Checking power supply
Checking power supply
Disconnect Camshaft Position (CMP) sensor -G40- connector -arrow-.
Fig 1: Disconnecting Camshaft Position Sensor G40 Connector
Courtesy of AUDI OF AMERICA, INC.
Connect multimeter as follows to measure voltage:
Fig 2: Identifying CMP Sensor Harness Connector Terminals
Courtesy of AUDI OF AMERICA, INC.
CMP CIRCUIT CHECK: TERMINAL 1
Connector terminal
Measure to
1
Engine ground (GND)
Switch ignition on.
Specified value: approx. 5 V
Courtesy of AUDI OF AMERICA, INC.