Buna ziua,am un opel astra J 1.6 benzina motor ecotec si ...

Hello, Welcome to Just Answer My name is \*\*\*\*\* \*\*\*\*\* I've been an automotive engineer since 1996 and together we're going to solve this issue. I understand that having your trusted vehicle let you down can be frustrating as it rarely occurs at a convenient time, however I will do my best to either help you make the repairs yourself or at least understand the issue so you know what is involved. My aim is to give you the best service possible and to help you. If you have any questions or concerns, please ask. I'd say to test the signal at the sensor connector as follows: 1.Ignition OFF, disconnect the harness connector at the B19B Brake Booster Vacuum Sensor. 2.Test for less than 5 Ω between the low reference circuit terminal 2 and ground. If greater than the specified value, test the low reference circuit for an open/high resistance. If the circuit tests normal, replace the K17 Electronic Brake Control Module. 3.Ignition ON, test for 4.8-5.2 V between the 5 V reference circuit terminal 3 and ground. If greater than the specified range, test the 5 V reference circuit for a short to voltage. If the circuit tests normal, replace the K17 Electronic Brake Control Module. If less than the specified range, test the 5 V reference circuit for an open/high resistance. If the circuit tests normal, replace the K17 Electronic Brake Control Module. 4.Ignition OFF, disconnect the harness connector at the K17 Electronic Brake Control Module. 5.Ignition ON, test for less than 0.3 V between the signal circuit terminal 1 at the B19B Brake Booster Vacuum Sensor harness connector and ground. If greater than the specified value, test the signal circuit for a short to voltage. 6.Ignition OFF, test for infinite resistance between the signal circuit terminal 1 and ground. If less than the specified value, test the signal circuit for a short to ground. 7.Test for less than 5 Ω between the signal circuit terminal 1 at the B19B Brake Booster Vacuum Sensor harness connector and terminal 22 at the K17 Electronic Brake Control Module harness connector. If greater than the specified value, test the signal circuit for an open/high resistance. 8.If all circuits test normal, replace the B19B Brake Booster Vacuum Sensor and verify the DTC does not reset. If the DTC resets, replace the K17 Electronic Brake Control Module.

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