Notices
Honda Prelude All Model Preludes

OBD2A ECU pin Diagram

Thread Tools
 
Search this Thread
 
Old 02-19-2008, 10:37 AM
  #1  
moderator emeritus
Thread Starter
 
98vtec's Avatar
 
Join Date: Oct 2002
Location: Cantonment, FL
Posts: 16,357
Likes: 0
Received 4 Likes on 4 Posts
Default OBD2A ECU pin Diagram

OBD2A

http://bbmoto.net/wiki/index.php?EcuWiringTable

Connector A

1. INJ4 - yellow
2. INJ3 - blue
3. INJ2 - red
4. INJ1 - brown
5. Secondary O2 Heater - orange/blue
6. Primary O2 Heater - black/white
7. EGR solenoid - orange
8. VTS (VTEC solenoid) - green/yellow
9. LG1 (ground) - brown/black
10. PG1 (ground) - black
11. IGP1 (ground) - yellow/black
12. IACV (idle air control valve) - black/blue
13. EMPTY
14. EMPTY
15. EVAP purge control - red/yellow
16. Fuel Pump Relay - green/orange
17. ACC (A/C control) - pink/blue
18. MIL - gray/red
19. Alt Control - white/green
20. ICM - yellow/green
21. EMPTY
22. LG2 (ground) - brown/black
23. PG2 (ground) - black
24. IGP2 (ground) - yellow/black
25. ICSOL (Intake Control Solenoid) - white
26. IAB (Intake Air Bypass) - red/blue
27. Radiator Fan Control - green
28. 2WBS (Evap bypass) - green/white
29. VSV (Evap Canister) - orange/green

Connector C

1. EMPTY
2. CKP P - blue
3. TDC P - green
4. CYP P - yellow
5. AC switch - blue/orange
6. Starter Signal (STS) - blue/red
7. Service Check Signal - red/white
8. K-line - light green
9. A/T related
10. Voltage Backup (VBU) - white/yellow
11. EMPTY
12. CKP M - white
13. TDC M - red
14. CYP M - black
15. Vtec Pressure Switch - blue/black
16. Power Steering Switch - green
17. Alt FR signal - white/green
18. Vehicle Speed Sensor (VSS) - blue/white
19. A/T related
20. Purge Flow Switch (PFSW) - brown
21. EMPTY
22. Immobilizer code - brown/yellow
23. EMPTY
24. EMPTY
25. EMPTY
26. A/T related
27. A/T related
28. A/T related
29. A/T related
30. A/T related

Connector D

1. TPS (Throttle Position Sensor) - red/black
2. ECT (Engine Coolant Temperature) - red/white
3. MAP (Manifold Absolute Pressure) - red/green
4. VCC1 (MAP voltage) - yellow/red
5. Brake switch - white/black
6. KS (Knock Sensor) - red/blue
7. Primary O2 sensor - whtie
8. IAT (Intake Air Temperature) - red/yellow
9. EGRL (Lift) - white/black
10. VCC2 (TPS Voltage) - yellow/blue
11. SG2 (ground) - green/black
12. SG1 (ground) - green/white
13. EMPTY
14. Secondary O2 Sensor - white/red
15. Fuel Tank Pressure - white/blue
16. ELD (Electronic Load Detector) - green/red

Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
fventura03
Honda Civic (2001 - 2005)
10
07-31-2007 06:40 PM
Hayce
Tech / Misc
4
11-13-2006 04:05 PM
Kyssrt-4
Honda Civic / Del Sol (1992 - 2000)
1
04-06-2005 10:28 PM
2000Accord5sp
Honda Accord (1990 - 2002)
2
05-16-2003 04:16 PM
Iggy_Type_R
Acura Integra
4
05-14-2002 08:41 AM



Quick Reply: OBD2A ECU pin Diagram



All times are GMT -8. The time now is 11:06 AM.