pinout map for the 1 and 3 plug ECD15C2 ECU
the info i have is.....
EDC15c2 3 plug
Plug A-T1
A1 Input Brake pedal position switch 1383
B1 K-line
C1
D1 Input Imobilizer control 822
E1 Input AC pressure switch 8055
F1 Output MIL Instrument panel 480
G1 GND/Ground M132A
H1 GND/Ground M132B
A2 Input AC compressor clutch relay/AC pressure switch 8076
B2 Output Engine coolant blower motor relay 1525
C2 Input Accelerator pedal position sensor 1378
D2
E2 Input AC compressor clutch relay 1234
F2 Input AC triple pressure switch
G2 Input Accelerator pedal position sensor
H2 Input AC triple pressure switch
A3 Data Link CAN-L
B3 Input Imobilizer control 820
C3 Input Ingition on +12v CC12
D3 Output Stop light Instrument panel 400
E3 Input Clutch pedal switch
F3 Output Glow light Instrument panel 435
G3 Input Accelerator pedal position sensor 1377
H3 Input Accelerator pedal position sensor 1392
A4 Data Link CAN-H
B4 Data link connector 140
C4 Output Engine coolant blower motor relay 1510A
D4 Output Engine coolant blower motor relay 1523
E4 Input Brake pedal switch
F4 Input AC triple pressure switch
G4 Data link connector/Instrument panel 426
H4
Plug B-T2
A1
B1
C1
D1 Input Engine coolant temperature sensor 1235
E1 Input Engine coolant temperature sensor 1336
F1 Input Fuel pressure sensor 1415
G1 Input Fuel pressure sensor 1416
H1 Input Fuel pressure sensor 1417
J1 Input Crankshaft position sensor 133
K1 Input Crankshaft position sensor 132
L1 Input +12 volts supply (after Brown relay) 1207
M1 Output Brown Relay(1-2) 1208
A2 Output Brown Relay(2-2) 1233
B2 Input Manifold absolute pressure sensor
C2 Output air heater coolant control valve
D2 Input Fuel temperature sensor 1422
E2 Input Fuel temperature sensor 1423
F2 Input Camshaft Position sensor 1356
G2 Input Camshaft Position sensor 1131
H2 Input Camshaft Position sensor 1152
J2
K2 Input Vehicle speed sensor
L2 Output Fuel pressure regulator control solenoid 1418
M2
A3 Output Exhaust gas recirculation solenoid 1256A
B3 Output intake air valve control valve
C3 Output Piston cut off solenoid 1288A
D3 Input Exhaust gas pressure sensor
E3 Input Exhaust gas temperature sensor
F3 Input Exhaust gas temperature sensor
G3 Input Mass air flow sensor 1448
H3 Input Mass air flow sensor 1447
J3 Input Intake air temperature sensor 1408
K3
L3
M3 Input Exhaust gas pressure sensor
A4 Output Brown relay via Fuel shut off (IFS)(1-2) 1203
B4 Output Intake manafold air control solinoid
C4 Input Manifold absolute pressure sensor
D4 Input Manifold absolute pressure sensor
E4
F4
G4
H4
J4 Data link connector 141
K4
L4 GND/Ground M132D
M4 GND/Ground M132C
Plug C-T3
A1
B1 Output Glowplug timer relay 1386
C1
D1
E1
F1 Output Glowplug timer relay 1387
G1 Output Injector 1 1211
H1 Output Injector 4 1214
A2
B2 Output Engine coolant heater relay 8096
C2
D2
E2
F2
G2 Output Injector 4 1324
H2 Output Injector 1 1321
A3
B3 Output Engine coolant heater relay 8095
C3 Input Accelerator pedal position sensor 1391
D3
E3
F3
G3 Output Injector 3 1323
H3 Output Injector 2 1322
A4 Output Exhaust gas recirculation solenoid 1256B
B4 Output Turbocharger wastegate regulating valve
C4
D4
E4
F4
G4 Output Injector 3 1312
H4 Output Injector 2 1212
Pin map for EDC15C2 1 plug
Channel No. Description
1 +12 volts supply (after double relay)
2 Output:control of injector N° 1
3 Output:control of injector N° 3
4 Output:control of injector N° 4
5 Output:control of injector N° 2
6 Output:control of injector N° 2
7
8 Diagnostic line for the coils of the fan unit control relays
9 Diagnostic line: CAN H network
10 Diagnostic line l
11 Input:air temperature sensor IAT
12 Input:Camshaft position sensor CMP
13 Input:Mass airflow sensor MAF
14 Input:Crankshaft position sensor CKP
15 Input:accelerator pedal sensor APP
16 ---
17 Cruise control switch
18 Input:camshaft position sensor CMP
19 Input:vehicle speed sensor VSS
20 ---
21 Input:Cruise control clutch pedal switch
22 GND for APP,FTS,IAT,MAF
23 Output:engine coolant temperature information (gauge and warning lamp in the instrument panel)
24 Output: Swirl control electrovalve
25 Output:control of fan unit group 1
26 Output:boost pressure regulation electrovalve
27 Earth:air conditioning pressostat
28 Output: inlet air heater throttle control electrovalve
29 +12 volts supply (after double relay)
30 Output:control of injector N° 1
31 Output:control of injector N° 3
32 Output:control of injector N° 4
33 Earth
34 Input:Fuel pressure Sensor
35 ---
36 Engine immobiliser serial line
37 Diagnostic line:CAN L network
38 Diagnostic line k
39 Input:fuel temperature sensor
40 Input:camshaft position sensor CMP
41 Input:Crankshaft sensor CKP
42 Input: differential pressure sensor
43 ---
44 Input:Accelerator pedal position sensor APP (5 volts)
45 Input:Engine coolant temperature sensor ECT
46 Input:Engine coolant temperature sensor ECT
47 Input:air conditioning on information (AC/ON)
48 Input
top lamp switch connection
49 Earth
50 Output:fuel pressure control solinoid
51 Earth
52 Output:Exhaust gas recirculation solinoid 1 (EGR)
53 Earth
54-
55 Output:Exhaust gas recirculation solinoid 2 (EGR)
56 Output:preheating warning lamp
57 Output: fan unit control: mid speed
58 Output:Engine coolant heater relay1
59-
60 Cruise control switch
61 Cruise control switch
62 Output:engine speed to instrument panel
63 Output:fuel consumption at any moment (trip computer)
64 Input:accelerator pedal sensor
65 ---
66 Engine immobiliser serial line
67 Output:Glow plug timer relay
68 Input:Accelerator pedal position sensor APP
69 After ignition +
70 Input:catalytic converter temperature
71 Input:inlet manifold air pressure
72 ---
73 Input:unused brake switch
74 Input:fuel pressure sensor
75 Air conditioning pressostat (26 bar control stage)
76-
77--
78 Input:AC refrigerant triple pressure switch
79 ---
80 Output: 3rd piston cut off solinoid
81 Output:engine coolant temperature information (instrument panel)
82 Output:diagnostic warning lamp (instrument panel)
83 Output:Engine coolant blower motor relay
84 Output:AC compressor clutch relay
85 Output Engine coolant heater relay
86 Output:double relay control
87 Output:Fuel shut off switch via double relay control
88 Output:Glow plug timer relay
please dont take this list as being correct for your car check before doing any diagnostic work as i have included sensors in the list not used on the 306 HDI
the info i have is.....
EDC15c2 3 plug
Plug A-T1
A1 Input Brake pedal position switch 1383
B1 K-line
C1
D1 Input Imobilizer control 822
E1 Input AC pressure switch 8055
F1 Output MIL Instrument panel 480
G1 GND/Ground M132A
H1 GND/Ground M132B
A2 Input AC compressor clutch relay/AC pressure switch 8076
B2 Output Engine coolant blower motor relay 1525
C2 Input Accelerator pedal position sensor 1378
D2
E2 Input AC compressor clutch relay 1234
F2 Input AC triple pressure switch
G2 Input Accelerator pedal position sensor
H2 Input AC triple pressure switch
A3 Data Link CAN-L
B3 Input Imobilizer control 820
C3 Input Ingition on +12v CC12
D3 Output Stop light Instrument panel 400
E3 Input Clutch pedal switch
F3 Output Glow light Instrument panel 435
G3 Input Accelerator pedal position sensor 1377
H3 Input Accelerator pedal position sensor 1392
A4 Data Link CAN-H
B4 Data link connector 140
C4 Output Engine coolant blower motor relay 1510A
D4 Output Engine coolant blower motor relay 1523
E4 Input Brake pedal switch
F4 Input AC triple pressure switch
G4 Data link connector/Instrument panel 426
H4
Plug B-T2
A1
B1
C1
D1 Input Engine coolant temperature sensor 1235
E1 Input Engine coolant temperature sensor 1336
F1 Input Fuel pressure sensor 1415
G1 Input Fuel pressure sensor 1416
H1 Input Fuel pressure sensor 1417
J1 Input Crankshaft position sensor 133
K1 Input Crankshaft position sensor 132
L1 Input +12 volts supply (after Brown relay) 1207
M1 Output Brown Relay(1-2) 1208
A2 Output Brown Relay(2-2) 1233
B2 Input Manifold absolute pressure sensor
C2 Output air heater coolant control valve
D2 Input Fuel temperature sensor 1422
E2 Input Fuel temperature sensor 1423
F2 Input Camshaft Position sensor 1356
G2 Input Camshaft Position sensor 1131
H2 Input Camshaft Position sensor 1152
J2
K2 Input Vehicle speed sensor
L2 Output Fuel pressure regulator control solenoid 1418
M2
A3 Output Exhaust gas recirculation solenoid 1256A
B3 Output intake air valve control valve
C3 Output Piston cut off solenoid 1288A
D3 Input Exhaust gas pressure sensor
E3 Input Exhaust gas temperature sensor
F3 Input Exhaust gas temperature sensor
G3 Input Mass air flow sensor 1448
H3 Input Mass air flow sensor 1447
J3 Input Intake air temperature sensor 1408
K3
L3
M3 Input Exhaust gas pressure sensor
A4 Output Brown relay via Fuel shut off (IFS)(1-2) 1203
B4 Output Intake manafold air control solinoid
C4 Input Manifold absolute pressure sensor
D4 Input Manifold absolute pressure sensor
E4
F4
G4
H4
J4 Data link connector 141
K4
L4 GND/Ground M132D
M4 GND/Ground M132C
Plug C-T3
A1
B1 Output Glowplug timer relay 1386
C1
D1
E1
F1 Output Glowplug timer relay 1387
G1 Output Injector 1 1211
H1 Output Injector 4 1214
A2
B2 Output Engine coolant heater relay 8096
C2
D2
E2
F2
G2 Output Injector 4 1324
H2 Output Injector 1 1321
A3
B3 Output Engine coolant heater relay 8095
C3 Input Accelerator pedal position sensor 1391
D3
E3
F3
G3 Output Injector 3 1323
H3 Output Injector 2 1322
A4 Output Exhaust gas recirculation solenoid 1256B
B4 Output Turbocharger wastegate regulating valve
C4
D4
E4
F4
G4 Output Injector 3 1312
H4 Output Injector 2 1212
Pin map for EDC15C2 1 plug
Channel No. Description
1 +12 volts supply (after double relay)
2 Output:control of injector N° 1
3 Output:control of injector N° 3
4 Output:control of injector N° 4
5 Output:control of injector N° 2
6 Output:control of injector N° 2
7
8 Diagnostic line for the coils of the fan unit control relays
9 Diagnostic line: CAN H network
10 Diagnostic line l
11 Input:air temperature sensor IAT
12 Input:Camshaft position sensor CMP
13 Input:Mass airflow sensor MAF
14 Input:Crankshaft position sensor CKP
15 Input:accelerator pedal sensor APP
16 ---
17 Cruise control switch
18 Input:camshaft position sensor CMP
19 Input:vehicle speed sensor VSS
20 ---
21 Input:Cruise control clutch pedal switch
22 GND for APP,FTS,IAT,MAF
23 Output:engine coolant temperature information (gauge and warning lamp in the instrument panel)
24 Output: Swirl control electrovalve
25 Output:control of fan unit group 1
26 Output:boost pressure regulation electrovalve
27 Earth:air conditioning pressostat
28 Output: inlet air heater throttle control electrovalve
29 +12 volts supply (after double relay)
30 Output:control of injector N° 1
31 Output:control of injector N° 3
32 Output:control of injector N° 4
33 Earth
34 Input:Fuel pressure Sensor
35 ---
36 Engine immobiliser serial line
37 Diagnostic line:CAN L network
38 Diagnostic line k
39 Input:fuel temperature sensor
40 Input:camshaft position sensor CMP
41 Input:Crankshaft sensor CKP
42 Input: differential pressure sensor
43 ---
44 Input:Accelerator pedal position sensor APP (5 volts)
45 Input:Engine coolant temperature sensor ECT
46 Input:Engine coolant temperature sensor ECT
47 Input:air conditioning on information (AC/ON)
48 Input
top lamp switch connection 49 Earth
50 Output:fuel pressure control solinoid
51 Earth
52 Output:Exhaust gas recirculation solinoid 1 (EGR)
53 Earth
54-
55 Output:Exhaust gas recirculation solinoid 2 (EGR)
56 Output:preheating warning lamp
57 Output: fan unit control: mid speed
58 Output:Engine coolant heater relay1
59-
60 Cruise control switch
61 Cruise control switch
62 Output:engine speed to instrument panel
63 Output:fuel consumption at any moment (trip computer)
64 Input:accelerator pedal sensor
65 ---
66 Engine immobiliser serial line
67 Output:Glow plug timer relay
68 Input:Accelerator pedal position sensor APP
69 After ignition +
70 Input:catalytic converter temperature
71 Input:inlet manifold air pressure
72 ---
73 Input:unused brake switch
74 Input:fuel pressure sensor
75 Air conditioning pressostat (26 bar control stage)
76-
77--
78 Input:AC refrigerant triple pressure switch
79 ---
80 Output: 3rd piston cut off solinoid
81 Output:engine coolant temperature information (instrument panel)
82 Output:diagnostic warning lamp (instrument panel)
83 Output:Engine coolant blower motor relay
84 Output:AC compressor clutch relay
85 Output Engine coolant heater relay
86 Output:double relay control
87 Output:Fuel shut off switch via double relay control
88 Output:Glow plug timer relay
please dont take this list as being correct for your car check before doing any diagnostic work as i have included sensors in the list not used on the 306 HDI