Honda OBD2A/OBD2B ECU Pinouts

Honda OBD2A/OBD2B Pinouts

OBD 2A 96-98 CIVIC/DEL SOL/INTEGRA

 

CONNECTOR "A"

1.  Injector 4 Yellow

2.  Injector 3 Blue

3.  Injector 2 Blue

4.  Injector 1 Brown

5.  S02SHTC - (Second 02 Sensor Heater Control) Black/White

6.  P02SHTC - (Primary 02 Sensor Heater Control) Black/White

7.   ESOL E-EGR -(EGR Control Solenoid Valve) *(Civic ONLY)  (Color ?)

8.  VTS VTEC Solenoid Green/Yellow

9.  LG1 - (Logic Ground) Brown/Black

10. PG1 - (Power Ground) Black

11. IGP1 Power Source Yellow/Black

12. IACV - (Idle Air Control Valve) Black/Blue

15. PCS - (Evap Purge Control Solenoid Valve) Red

16. FLR - (Fuel Pump Relay) (Civic Green/Yellow)(Integra Green/Blue)

17. ACC - (A/C Controller) Black/Red

18. MIL - (Malfunction Indicator Light) Green/Orange

19. ALTC - (Alternator Control) White/Green

20. ICM - (Ignition Control Module) Yellow/Green

22. LG2 - (Logic Ground) Brown/Black

23. PG2 - (Power Ground) Black

24. IGP2 - (Power Source) Yellow/Black

27. FANC - (Radiator Fan Control) Green

28. 2WBS - (Evap Bypass Solenoid Valve) Blue

29. VSV - (Evap Control Canister Vent Shut Valve) (Civic Light Green/White) (Integra Light Green)

30. SLU - (Brake Lock) "*A/T Civic ONLY" White/Red

31. Empty Slot

32. Empty Slot

 

CONNECTOR "C"

 

1.  CKF P - (CKF Sensor) P-side Blue/Red

2.  CKF P - (CKF Sensor) P-side Blue

3.  TDC P - (TDC Sensor) P-side Green

4.  CYP P - (CYP Sensor) P-side  Yellow

5.  ACS  - (A/C Switch Signal) Blue/Red

6.  STS - (Starter Signal Switch) (Civic Blue/Orange) (Integra Blue/White)

7.  SCS - (Service Check Signal) (Civic Brown) (Integra Brown/White)

8.  K-Line - (OBD2 Scan Tool Signal) (Civic Main Relay Ground Black 1) (Integra Green/White)

9.  TMA/FAS - (A/T TCM related) (Civic Grey) (Integra Yellow)

10. VBU - (Voltage Backup) White/Blue

11. CKF M - (CYP Ground) White/Red

12. CKP M - (CKP Ground) (Civic White) (Integra Blue/Yellow)

13. TDC M - (TDC Ground) (Civic Red) (Integra White/Blue)

14. CYP M - (CYP Ground) (Civic Black) (Integra White)

15. VTM - (VTEC Pressure Switch) Blue/Black

16. PSPSW - (Power Steering Switch Signal) Green

17. ALTF - (Alternator FR Signal) White/Red

18. VSS - (Vehicle Speed Sensor) (Civic Blue/White) (Integra Orange)

19. AT CHK - (Detects TCM Signal *(Integra ONLY) Blue

20. Empty Slot

21. BARO OUT - (Barometric Sensor Output) *(Integra ONLY) Light Green

22. Empty Slot

23. IP+ (HO2S Pump Cell) *(Civic ONLY) Black

24. IP VS - (HO2S Common) *(Civic ONLY) Red

25. VS+ - (VS Cell Voltage) *(Civic ONLY) White

26. Empty Slot

27. AFSA - (A/T TCM Related) *(Integra ONLY) Grey

28. AFSA - (A/T TCM Related) *(Integra ONLY) Green/Blue

29. ATP/NP/CLSW A/T Park + Neutral or Clutch Switch - (A/T Civic Green), (M/T Civic Red), (A/T Integra Green)   

30. TMB - (A/T Related to TCM) *(Civic ONLY) Pink

31. Empty Slot

 

CONNECTOR "D"

 

1.  TPS - (Throttle Position Sensor) Red/Black

2.  ECT - (Engine Coolant Temp Sensor) Red/White

3.  MAP - (Manifold Absolute Pressure Sensor) (Civic Red/Green) (Integra White/Yellow)

4.  VCC1 - (Sensor Voltage for MAP) (Civic Yellow/Red) (Integra Yellow/White)

5.  BKSW - (Brake Switch) Green/White

6.  KS - (Knock Sensor) Red/Blue

7.  PHO2S - (Primary Heated O2 Sensor 1) White

8.  IAT - (Intake Air Temp) Red/Yellow

9.  EGRL - (EGR Valve Lift Sensor) *(Civic ONLY) White/Black

10. VCC2 - (Sensor Voltage) Yellow/Blue

11. SG2 - (Sensor Ground) (Civic Green/Black) (Integra Green/Blue)

12. SG1 - (Sensor Ground) Green/White

13. SHO2/SG - (Secondary Heated O2 Sensor Ground) (D16Y7 Red/Yellow), (D16Y8 Green/Black),         (Integra Orange/Blue)

14. SHO2S - (Secondary Heated O2 Sensor 2) (Civic White/Red) (Integra Blue/Red)

15. PTANK - (Fuel Tank Pressure Sensor) Light Green

16. EL (ELD - (Electric Load Detector) Green/Red

OBD 2B 99-00 CIVIC/INTEGRA

 

CONNECTOR "A"

 

1.   Empty Slot

2.   Empty Slot

3.   2WBS - (EVAP Bypass Solenoid Valve) Blue

4.   VSV - (EVAP Control Canister Vent Shut Valve) Light Green/White

5.   CRS - (Cruise Control Signal) Blue/Green

6.   PCS - EVAP Purge Control Solenoid Valve) Red/Yellow

7.   ATPD - (A/T Gear Position Switch) Yellow

8.   SO2SHTC - (Second O2 Sensor Heater Control) Black/White

9.   ATPNP - (A/T Gear Position Switch) Light Green

10. SCS - (Service Check Signal) Brown

11. Empty Slot

12. Empty Slot

13. Empty Slot

14. D4IND - (A/T D4 Indicator) Green/Black

15. Empty Slot (Civic Plug) Integra FLR - (Fuel Pump Relay) Green/Yellow

16. Empty Slot (Integra Plug) Civic FLR - (Fuel Pump Relay) Green/Yellow

17. ACC - (A/C Clutch Relay) Black/Red

18. MIL - (Malfunction Indicator Light) Green/Orange

19. NEP - (Engine Speed Pulse) Blue

20. FANC - (Radiator Fan Control) Green

21. K-Line - (OBD2 Scan Tool Signal) Blue/Yellow

22. ATP L - (A/T Gear Position Switch) Blue

23. SHO2S - (Secondary Heated O2 Sensor 2) White/Red

24. STS - (Started Signal Switch) Green

25. Empty Slot

26. PSPSW - (Power Steering Power Switch Signal) Green

27. ACS - (A/C Switch Signal) Blue/Red

28. SLU - (A/T Brake Related) White/Red

29. P TANK - (Fuel Tank Pressure) Light Green

30. EL (ELD) - (Electrical Load Detector) Green/Red

 

CONNECTOR "B"

1.   IGP1 - (Power Source) Yellow/Black

2.   PG1 - (Power Ground) Black

3.   INJ2 - (Injector 2) Red

4.   INJ3 - (Injector 3) Blue

5.   INJ4 - (Injector 4) Yellow

6.   IACVP - (IACV Position Side) *(Civic ONLY) Black/Blue

7.   ES (ESOL) - (EGR Control Solenoid Valve) Red

8.   LS - (HLC LSM) (CVT Transmission Related) Pink/Black

9.   IGP2 - (Power Source) Yellow/Black

10. PG2 - (Power Ground) Black

11. INJ1 - (Injector 1) Black

12. VTS - (VTEC Solenoid) Green/Yellow

13. ICM - (Ignition Control Module) Yellow/Green

14. Empty Slot Green/Red

15. IACVN - (IACV  Negative Side) *(Civic ONLY) Orange

16. IAB - (Intake Air Bypass Control Solenoid Valve) *(GSR ONLY) "Color ? "

17. LS+HLC LSM - (A/T CVT Transmission Related) (D16Y7 Red) (D16Y5 Green/White

18. SC LSM - (CVT Transmission Related) Pink/Blue

19. Empty Slot

20. LG1 - (Logic Ground) Brown/Black

21. VBU - (Voltage Backup) White/Blue

22. LG2 - (Logic Ground) Brown/Black

23. IACV - (Idle Air Control Valve) Black/Blue

24. Empty Slot

25. SC LSP - (CVT Transmission Related) Yellow

 

CONNECTOR "C"

 

1.   PO2SHTC - (Primary O2 Sensor Heater Control) Black/White

2.   ALTC - (Alternator Control) White/Green

3.   KS - (Knock Sensor) Red/Blue

4.   Empty Slot

5.   ALTF - (Alternator FR Signal) White/Red

6.   EGRL - (EGR Valve Lift Sensor) White/Black

7.   SG1 - (Sensor Ground, Ground for MAP) Green/White

8.   CKKP - (CKP Sensor P-side) Blue

9.   CKPM - (CKP Sensor M-side) White

10. VTM - (VTEC Pressure Switch) Blue/Black

11. Empty Slot

12. Empty Slot

13. Empty Slot

14. Empty Slot

15. Empty Slot

16. PHO2S - (Primary Heated O2 Sensor 1) White

17. MAP - (Manifold Absolute Pressure Sensor) Red/Green

18. SG2 - (Sensor Ground) Green/Black

19. VCC1 - (Sensor Voltage for MAP) Yellow/Red

20. TDCP - (TDC Sensor P-side) Green

21. TDCM - (TDC Sensor M-side) Red

22. CKFP - (CKF Sensor P-side) Blue/Red

23. VSS - (Vehicle Speed Sensor) Blue/White

24. Empty Slot

25. IAT - (Intake Air Temp) Red/Yellow

26. ECT - (Engine Coolant Temp Sensor) Red/White

27. TPS - (Throttle Position Sensor) Red/Black

28. VCC2 - (Sensor Voltage) Yellow/Blue

29. CYPP - (CYP Sensor P-side) Yellow

30. CYPM - (CYP Sensor M-side) Black

31. CKFM - (CKF Sensor M-side) White/Red