Plug-in circuit diagram used in Santana 2000 full-car wiring

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The Santana 2000 sedan shares more than 150 connectors to connect the entire vehicle wiring harness and hundreds of electrical components. They are positioned accurately, easy to assemble and disassemble, and have sufficient insertion force between the insert and the socket to prevent excessive additional resistance. Loose with the connector.

On the circuit schematic (Figure 2-1 to Figure 2-20), the connector code is represented by a number of letters:

Marked as "c25a" in the original car data, and "c" is omitted from the schematic.

Each circuit of an electrical device has a specified color, but the same circuit may be connected by wires of different colors, and these connection points are marked on the connector.

There are also some important electrical components such as the gasoline injection control unit (LE). The multi-function combination switch is used to lead the wire harness to be soldered to the connector. Therefore, the position number of the wire in the connector becomes the code of the terminal block. The gasoline injection electronic control unit 24 uses a 25-wire connector, and the direction of each line end is: (see Figure 2-6)

1Ignition pulse signal input 12I, IV cylinder injector electromagnetic coil lead

2 a shielded wire grounding 13 a ground

3 one valve position sensor normally open contact 14 a short

4 ignition switch "50" column wiring 15 one connected EZK electronic control unit 17th foot

5 one iron 16, 16, 18 short

6 a short 19 shielded line

7 air flow meter signal voltage 20 is not connected to the EZK electronic control unit pin 16

8 an intake air temperature sensor signal 21 - an ignition switch "15" column to the line

9 a fuel pump working signal voltage input terminal 22 a short

10 a hot start system switch active contact 23 a short

11 a short 24, II, III cylinder squirt solenoid coil lead

There are more than 150 connectors in the Santana 2000 sedan, among which the single-line connectors are from 1, 1a, lb, "ly, lz, lab, l, ..., lam, lam, a total of 37. Two-wire connector From 2, 2a, 2b, ... ̈, 2y, 2z, 2ab, 2ac, ... ̈, 2am a total of 37. 3 line connectors from 3, 3a... ̈, 3" a total of 18, four-wire connector A total of 9, 5 wire connector, 11 6-wire connector, 2 7-wire connector, 12 8-wire connector, 8 9-wire connector, 25-line connector 2 One.