Audi 100

1982-1990 of release

Repair and car operation

12.2.2.9. Check of the block of management

THE GENERAL DATA

Numbers of contacts of a nest «10» on a payment of the block of the relay and safety locks

Check of pressure of a food of the block

PERFORMANCE ORDER

1. To disconnect from the block connecting колодку with wires. 2. To include ignition and to measure pressure between contacts «35» and «18», then between «35» and «9». Pressure should be about 12 V.Vykljuchit ignition. 3. On the car with automatic transmission to connect the voltmeter to contacts «9» and «32». To include ignition and to press a brake pedal. Pressure should be about 12 V.Esli pressure differs, there can be a breakage in conducting or the gauge of position of a brake pedal is faulty.

Check of a target signal to the relay of the fuel pump

PERFORMANCE ORDER

1. To take out the relay of the fuel pump from a nest in the block of the relay and safety locks. 2. To connect the voltmeter to contacts «46» and «47». To turn a cranked shaft a starter, pressure thus should be about 9,5 V.Vykljuchit ignition. If pressure differs from specified, to connect the voltmeter to contact «46» and "weight" and to include ignition. Pressure should be about 12 V.Esli pressure differs from specified, means in conducting there is a breakage. 3. To disconnect from the management block connecting колодку with wires. 4. To connect an ohmmeter to contacts «47» and contact «21» Pads the management block. The device should show zero, conducting otherwise is damaged. If conducting the block of management is not damaged, faulty and it is necessary to replace it.

Check of a target signal to the valve of braking by the engine (only on cars with mechanical transmission)

PERFORMANCE ORDER

1. To warm up the engine, the temperature of a cooling liquid should be not less than +50 ° With. 2. To disconnect from the valve connecting колодку with wires. 3. To connect to contacts Pads the voltmeter. To start the engine and to untwist it to 2000 mines-1. To close throttle заслонку, the voltmeter thus should show pressure approximately 12 Century 4. If voltmeter indications differ, it is necessary to check up conducting from the management block to the valve. For this purpose to connect an ohmmeter to contact «2» Pads the valve (for cars of release till 1985 to connect an ohmmeter to contact «1») and to contact «14». 5. The zero, otherwise conducting should show an ohmmeter is damaged. If conducting is not broken, and the ohmmeter shows any resistance, to replace the management block.

Check of a target signal to перепускному to the valve

Check is spent on the heated-up engine at temperature of a cooling liquid not more low +50 ° With.

PERFORMANCE ORDER

1. To start the engine and to leave to idle. 2. Manually to include the switch of full opening throttle заслонки and to check up on hearing operation перепускного the valve. 3. If it is not audible, that the valve worked, to muffle the engine and to disconnect from the valve connecting колодку with wires. 4. To connect the voltmeter to contacts «1» and «2». If the voltmeter shows pressure nearby 12 In, to replace the valve. If pressure differs from specified, to connect the voltmeter to contact «2» and "weight". 5. To include ignition, the voltmeter should show pressure 12 In, otherwise it is necessary to check up the wires going to колодке of the valve. For this purpose to connect an ohmmeter to contact «2» Pads and to contact «8» Pads the management block. The ohmmeter should show zero. If the ohmmeter shows infinity, in conducting there is a breakage.

Check of a target signal of the block of management on a tachometre

PERFORMANCE ORDER

1. To connect the voltmeter to contact «7», having shifted with Pads the management block a protective cover as колодка should be connected to the block of management and to "weight". 2. To connect a control tachometre. 3. To start the engine, to increase frequency of rotation to 2000 mines-1. The voltmeter should show pressure nearby 1,3 In, otherwise replace the management block. If the measured pressure is equal 1,3 In, but indications of a tachometre of the car do not coincide with indications of a control tachometre, it means that or there is a breakage in conducting from contact «7» to the panel of devices, or the car tachometre is faulty.