100%

Stock ECU being replaced

KV8-B-1 Injection 1

KV8-B-5 Injection 5

KV8-B-4 Injection 4

KV8-B-17 Aux 8

KV8-B-16 Aux 7

KV8-B-11 Aux 2

KV8-B-10 Aux 1

5V ref

KV8-C-4 Analog in 3

KV8-C-3 Analog in 2

KV8-B-8 Injection 8

5V ref

PCM power feed (VPWR, fused)

KV8-A-26 Lambda 1 virtual ground

KV8-A-23 Lambda 2 virtual ground

0V sensor

KV8-C-5 Analog in 4

KV8-C-27 Digital in 1

KV8-B-6 Injection 6

5V ref

KV8-A-25 Lambda 1 pump cell (Ip)

KV8-A-22 Lambda 2 pump cell (Ip)

KV8-D-13 Shield (crank/cam/knock) (via SP-SHD)

0V sensor

KV8-C-2 Analog in 1

KV8-C-7 Analog in 6

KV8-B-3 Injection 3

KV8-C-6 Analog in 5

KV8-C-28 Digital in 2

0V sensor

KV8-A-18 Lambda 1 Nernst cell (Vs)

KV8-A-21 Lambda 2 Nernst cell (Vs)

0V sensor

KV8-D-11 Knock 1 +

0V sensor

KV8-D-6 Sync sensor +

KV8-C-29 Digital in 3

KV8-B-7 Injection 7

KV8-B-2 Injection 2

0V sensor

KV8-D-17 Knock 2 +

0V sensor

KV8-D-4 Crank index sensor +

KV8-B-12 Aux 3

KV8-A-10 Lambda 1 heater −

KV8-A-11 Lambda 2 heater −

KV8-B-19 Aux 10

KV8-B-18 Aux 9

KV8-B-14 Aux 5

KV8-B-15 Aux 6

KV8-B-26 Ignition 1

KV8-B-27 Ignition 2

KV8-B-28 Ignition 3

KV8-B-29 Ignition 4

KV8-B-30 Ignition 5

KV8-B-31 Ignition 6

KV8-B-32 Ignition 7

KV8-B-33 Ignition 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)

KV8

KV8-A

KV8

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

25Lambda 1 pump cell (Ip)

26Lambda 1 virtual ground

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)

KV8-B

KV8

1Injection 1

2Injection 2

3Injection 3

4Injection 4

5Injection 5

6Injection 6

7Injection 7

8Injection 8

10Aux 1

11Aux 2

12Aux 3

14Aux 5

15Aux 6

16Aux 7

17Aux 8

18Aux 9

19Aux 10

26Ignition 1

27Ignition 2

28Ignition 3

29Ignition 4

30Ignition 5

31Ignition 6

32Ignition 7

33Ignition 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)

KV8-C

KV8

2Analog in 1

3Analog in 2

4Analog in 3

5Analog in 4

6Analog in 5

7Analog in 6

17Analog sensor 0V reference

25Analog sensor 0V reference

27Digital in 1

28Digital in 2

29Digital in 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

OEM-C175E-30 Engine oil level switch (EOL)

OEM-C175E-48 Oil pressure switch

OEM-C175E-57 Oil pressure switch (MTX)

KV8-D

KV8

1ECU 14V supply

2Aux 13–16 14V supply

4Crank index sensor +

5Crank index sensor −

6Sync sensor +

7Sync sensor −

11Knock 1 +

13Shield (crank/cam/knock)

17Knock 2 +

20Aux 9–12 14V supply

21Sensor supply Vref1 5.0V

ECU 14V supply

Aux 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+)

Aux 9–12 14V supply

5V ref

SP-5V1 · 5 pins

SP-0V · 12 pins

SP-SHD · 3 pins

SP-14V · 5 pins