100%
Stock ECU being replaced
KV12-B-1 Injection Channel 1
KV12-B-5 Injection Channel 5
KV12-B-4 Injection Channel 4
KV12-B-17 Auxiliary Output 8
KV12-B-16 Auxiliary Output 7
KV12-B-11 Auxiliary Output 2
KV12-B-10 Auxiliary Output 1
5V ref
KV12-C-4 Analog Input Channel 3
KV12-C-3 Analog Input Channel 2
KV12-B-8 Injection Channel 8
5V ref
PCM power feed (VPWR, fused)
KV12-A-26 Lambda 1 Virtual Ground (VGnd)
KV12-A-23 Lambda 2 Virtual Ground (VGnd)
0V sensor
KV12-C-5 Analog Input Channel 4
KV12-C-27 Digital Input 1
KV12-B-6 Injection Channel 6
5V ref
KV12-A-25 Lambda 1 Pump Cell (Ip)
KV12-A-22 Lambda 2 Pump Cell (Ip)
KV12-D-13 Shield (Crank/Cam/ Knock) (via SP-SHD)
0V sensor
KV12-C-2 Analog Input Channel 1
KV12-C-7 Analog Input Channel 6
KV12-B-3 Injection Channel 3
KV12-C-6 Analog Input Channel 5
KV12-C-28 Digital Input 2
0V sensor
KV12-A-18 Lambda 1 Nernst Cell (Vs)
KV12-A-21 Lambda 2 Nernst Cell (Vs)
0V sensor
KV12-D-11 Knock 1 +
0V sensor
KV12-D-6 Sync Sensor +
KV12-C-29 Digital Input 3
KV12-B-7 Injection Channel 7
KV12-B-2 Injection Channel 2
0V sensor
KV12-D-17 Knock 2 +
0V sensor
KV12-D-4 Crank Index Sensor +
KV12-B-12 Auxiliary Output 3
KV12-A-10 Lambda 1 Heater -
KV12-A-11 Lambda 2 Heater -
KV12-B-19 Auxiliary Output 10
KV12-B-18 Auxiliary Output 9
KV12-B-14 Auxiliary Output 5
KV12-B-15 Auxiliary Output 6
KV12-B-26 Ignition Channel 1
KV12-B-27 Ignition Channel 2
KV12-B-28 Ignition Channel 3
KV12-B-29 Ignition Channel 4
KV12-B-30 Ignition Channel 5
KV12-B-31 Ignition Channel 6
KV12-B-32 Ignition Channel 7
KV12-B-33 Ignition Channel 8
OEM-C175E
Stock ECU being replaced
1Fuel injector driver 1 (INJ 1)
2Fuel injector driver 5 (INJ 5)
3Fuel injector driver 4 (INJ 4)
4Variable camshaft timing valve 2 (VCT2)
5Variable camshaft timing valve 1 (VCT1)
6Variable camshaft timing valve 4 (VCT4)
7Variable camshaft timing valve 3 (VCT3)
8Electronic throttle control reference (ETCREF)
9Throttle position positive slope (TP2-PS)
10Throttle position negative slope (TP1-NS)
16Fuel injector driver 8 (INJ 8)
17Buffered power supply sensors (VBPWR)
18PCM power feed (VPWR, fused)
20Universal HEGO 1st reference (UREF-11)
21Universal HEGO 2nd reference (UREF-21)
23Electronic throttle control return (ETCRTN)
27Intake air temperature (IAT)
30Engine oil level switch (EOL)
31Fuel injector driver 6 (INJ 6)
34Voltage reference engine (VREF)
35Universal HEGO 1st pump current (UO2SIP-11)
36Universal HEGO 2nd pump current (UO2SIP-21)
39Crankshaft sensor shield/drain
40VR sensor return (VRSRTN)
44Intake manifold monitor (IMM)
45Intake port deactivation valve position
46Fuel injector driver 3 (INJ 3)
47Cylinder head temperature (CHT)
48Oil pressure switch
49Signal return engine #2
50Universal HEGO 1st sense (UO2SN-11)
51Universal HEGO 2nd sense (UO2SN-21)
52Knock sensor 1 bank 1 return (KS1−)
53Knock sensor 1 bank 1 signal (KS1+)
54VR sensor return (VRSRTN)
55Camshaft position bank 1 (CMP1)
57Oil pressure switch (MTX)
61Fuel injector driver 7 (INJ 7)
62Fuel injector driver 2 (INJ 2)
67Knock sensor 2 bank 1 return (KS2−)
68Knock sensor 2 bank 1 signal (KS2+)
69Crankshaft position return (CKP−)
70Crankshaft position (CKP+)
71Canister purge valve (CANP)
78Heater O2 post-cat 1st (HTR12)
79Heater O2 pre-cat 1st (HTR11)
81Throttle actuator control motor − (TACM−)
82Throttle actuator control motor + (TACM+)
83Heater O2 post-cat 2nd (HTR22)
84Heater O2 pre-cat 2nd (HTR21)
87Ignition coil on plug G (COP-G)
88Ignition coil on plug F (COP-F)
89Ignition coil on plug E (COP-E)
90Ignition coil on plug H (COP-H)
92Ignition coil on plug D (COP-D)
93Ignition coil on plug A (COP-A)
94Ignition coil on plug C (COP-C)
95Ignition coil on plug B (COP-B)
KV12
KV12-A
KV12
10Lambda 1 Heater -
11Lambda 2 Heater -
18Lambda 1 Nernst Cell (Vs)
21Lambda 2 Nernst Cell (Vs)
22Lambda 2 Pump Cell (Ip)
23Lambda 2 Virtual Ground (VGnd)
25Lambda 1 Pump Cell (Ip)
26Lambda 1 Virtual Ground (VGnd)
OEM-C175E-78 Heater O2 post-cat 1st (HTR12)
OEM-C175E-79 Heater O2 pre-cat 1st (HTR11)
OEM-C175E-50 Universal HEGO 1st sense (UO2SN-11)
OEM-C175E-51 Universal HEGO 2nd sense (UO2SN-21)
OEM-C175E-36 Universal HEGO 2nd pump current (UO2SIP-21)
OEM-C175E-21 Universal HEGO 2nd reference (UREF-21)
OEM-C175E-35 Universal HEGO 1st pump current (UO2SIP-11)
OEM-C175E-20 Universal HEGO 1st reference (UREF-11)
KV12-B
KV12
1Injection Channel 1
2Injection Channel 2
3Injection Channel 3
4Injection Channel 4
5Injection Channel 5
6Injection Channel 6
7Injection Channel 7
8Injection Channel 8
10Auxiliary Output 1
11Auxiliary Output 2
12Auxiliary Output 3
14Auxiliary Output 5
15Auxiliary Output 6
16Auxiliary Output 7
17Auxiliary Output 8
18Auxiliary Output 9
19Auxiliary Output 10
26Ignition Channel 1
27Ignition Channel 2
28Ignition Channel 3
29Ignition Channel 4
30Ignition Channel 5
31Ignition Channel 6
32Ignition Channel 7
33Ignition Channel 8
OEM-C175E-1 Fuel injector driver 1 (INJ 1)
OEM-C175E-62 Fuel injector driver 2 (INJ 2)
OEM-C175E-46 Fuel injector driver 3 (INJ 3)
OEM-C175E-3 Fuel injector driver 4 (INJ 4)
OEM-C175E-2 Fuel injector driver 5 (INJ 5)
OEM-C175E-31 Fuel injector driver 6 (INJ 6)
OEM-C175E-61 Fuel injector driver 7 (INJ 7)
OEM-C175E-16 Fuel injector driver 8 (INJ 8)
OEM-C175E-7 Variable camshaft timing valve 3 (VCT3)
OEM-C175E-6 Variable camshaft timing valve 4 (VCT4)
OEM-C175E-71 Canister purge valve (CANP)
OEM-C175E-83 Heater O2 post-cat 2nd (HTR22)
OEM-C175E-84 Heater O2 pre-cat 2nd (HTR21)
OEM-C175E-5 Variable camshaft timing valve 1 (VCT1)
OEM-C175E-4 Variable camshaft timing valve 2 (VCT2)
OEM-C175E-82 Throttle actuator control motor + (TACM+)
OEM-C175E-81 Throttle actuator control motor − (TACM−)
OEM-C175E-87 Ignition coil on plug G (COP-G)
OEM-C175E-88 Ignition coil on plug F (COP-F)
OEM-C175E-89 Ignition coil on plug E (COP-E)
OEM-C175E-90 Ignition coil on plug H (COP-H)
OEM-C175E-92 Ignition coil on plug D (COP-D)
OEM-C175E-93 Ignition coil on plug A (COP-A)
OEM-C175E-94 Ignition coil on plug C (COP-C)
OEM-C175E-95 Ignition coil on plug B (COP-B)
KV12-C
KV12
2Analog Input Channel 1
3Analog Input Channel 2
4Analog Input Channel 3
5Analog Input Channel 4
6Analog Input Channel 5
7Analog Input Channel 6
17Analog Sensor 0V Reference
25Analog Sensor 0V Reference
27Digital Input 1
28Digital Input 2
29Digital Input 3
OEM-C175E-44 Intake manifold monitor (IMM)
OEM-C175E-10 Throttle position negative slope (TP1-NS)
OEM-C175E-9 Throttle position positive slope (TP2-PS)
OEM-C175E-27 Intake air temperature (IAT)
OEM-C175E-47 Cylinder head temperature (CHT)
OEM-C175E-45 Intake port deactivation valve position
0V sensor
0V sensor
OEM-C175E-30 Engine oil level switch (EOL)
OEM-C175E-48 Oil pressure switch
OEM-C175E-57 Oil pressure switch (MTX)
KV12-D
KV12
1ECU 14V Supply
2Auxiliary Output 13-16 14V Supply
4Crank Index Sensor +
5Crank Index Sensor -
6Sync Sensor +
7Sync Sensor -
11Knock 1 +
13Shield (Crank/Cam/ Knock)
17Knock 2 +
20Auxiliary Output 9-12 14V Supply
21Sensor Supply Vref1: 5.0V
ECU 14V Supply
Auxiliary Output 13-16 14V Supply
OEM-C175E-70 Crankshaft position (CKP+)
SP-0V · 7 pins
OEM-C175E-55 Camshaft position bank 1 (CMP1)
SP-0V · 7 pins
OEM-C175E-53 Knock sensor 1 bank 1 signal (KS1+)
OEM-C175E-39 Crankshaft sensor shield/drain (via SP-SHD)
OEM-C175E-68 Knock sensor 2 bank 1 signal (KS2+)
Auxiliary Output 9-12 14V Supply
5V ref
SP-5V1 · 5 pins
SP-0V · 12 pins
SP-SHD · 3 pins
SP-14V · 5 pins
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