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10:10. Electronic control system


Arrangement of elements of an electronic control system of the automatic transmission on the car
1 – switch of blocking of a starter;
2 – locking solenoid;
3 – sensor of speed No. 1;
4 – sensor of temperature of cooling liquid;
5 – electric socket of data 1;
6 – ESM block;
7 – sensor of provision of a butterfly valve;
8 – O/D switch;
9 – switch;
10 – indicator;
11 – combination of devices;
12 – DLC2 (socket of a conclusion of data No. 2);
13 – stoplight switch;
14 – sensor of speed No. 2;
15 – ignition coil

The electronic control system of the transmission has self-diagnostics function. With malfunctions in the transmission they register in the ESM block in the form of codes, at the same time the control lamp lights up. Definition of codes of malfunction of the automatic transmission can be made as follows.

PERFORMANCE ORDER
1. Include ignition.
2. Move the main O/D switch into position.
3. Using an additional wire, connect contacts of E1 and TE1 in the control socket.
4. For definition of a code of malfunction count the number of flashes of a control lamp. The number of flashes of a control lamp to a pause defines the first of a code of malfunction, and the number of flashes after a pause defines the second of a code of malfunction.
5. After elimination of malfunction for deleting of a code of malfunction from memory switch off ignition and take EFI1 safety lock for the period of more than 10 sec.

Malfunction codes

Malfunction code Defect
42 the sensor of speed No. 1, the sensor of the drive of a speedometer or their electric chains is faulty
61 the sensor of speed No. 2 or its electric chain is faulty
62 the solenoid of the lock No. 1 or its electric chain is faulty
63 the solenoid of the lock No. 2 or its electric chain is faulty