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1. Disconnect from the electronic block located under the main cylinder of brakes (V6 engine), the socket and execute the following checks, being guided by the scheme (see subsection 12.2.2.) |
| 2. Check existence of tension of the battery on a conclusion of the 9th socket. |
| 3. Check existence of tension 5 In on a conclusion 4 sockets. If tension is not present, hand over the processor block in repair. |
| 4. Check existence of fluctuating tension 0,1–4,5 In on conclusions 5, 6 and the 7th socket (for this purpose ask the assistant to include a starter). If tension is not present, hand over the processor block in repair. |
| 5. Check reliability of connection with mass of a conclusion 3. |
| 6. If checks yielded positive result, disconnect sockets on each coil and check signal existence by means of a light-emitting diode (see subsection 3.4.5.). If the signal is, check integrity of a chain from the ignition block to the coil. If the chain is serviceable, the block of ignition replace. |