Checking activation
- Push back rubber grommet of connector for Camshaft Position (CMP) sensor -G40- back but leave connector attached.
- Connect LED voltage tester V.A.G 1527 B between receptacle 2 (Camshaft Position (CMP) sensor -G40- signal) and receptacle 1 (B+).NOTE: Receptacles are numbered accordingly on the back of the connector.
- Operate starter for a few seconds.
- LED should flash.
NOTE: LED voltage testers with a low current consumption continue to glow faintly between activation from the ECM (rather than extinguishing completely) and become much brighter when activated.
Fig 1: Connecting LED Voltage Tester V.A.G 1527 B Between Receptacle 2 And Receptacle 1 Of CMP Sensor
If LED does not flash: