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ELECTRONIC SPARK ADVANCE (ESA) BLOCK DIAGRAM [L3 Turbo]

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1 | IAT sensor
2 | MAF sensor
3 | TP sensor No.1, No.2
4 | APP sensor No.1, No.2
5 | CMP sensor
6 | CKP sensor
7 | ECT sensor
8 | Neutral switch
9 | CPP switch
10 | Brake switch
11 | Battery
12 | Vehicle speed signal
13 | Instrument cluster (CAN signal)
14 | Ignition switch
15 | Boost air temperature sensor
16 | Igniter operation time
17 | Ignition timing
18 | Fixed ignition
19 | Cycle estimated ignition
20 | Idle spark advance
21 | Basic spark advance
22 | Corrections
23 | Ignition coil