Acura TSX / Honda Accord CL. Manual - part 583

Fig. 4: Measuring Voltage Between MAP Sensor 3P Connector Terminals No. 1 & No. 3 

8. Measure voltage between ECM/PCM connector terminals A21 and A24. 

Is there about 5 V? 

YES: Repair open in the wire between the ECM/PCM (A21) and the MAP sensor, then go to 
step 15 .  

NO: Go to step 19 .  

 

2004 Acura TSX 

2004 ENGINE PERFORMANCE PGM-FI System - TSX

  

 

Fig. 5: Measuring Voltage Between ECM/PCM Connector Terminals A21 & A24 

9. Turn the ignition switch OFF.  

10. Jump the SCS line with the HDS.  

11. Disconnect ECM/PCM connector A (31P).  

12. Check for continuity between MAP sensor 3P connector terminal No. 2 and body ground. 

Is there continuity? 

YES: Repair short in the wire between the ECM/PCM (A30) and the MAP sensor, then go to 
step 15 .  

NO: Go to step 19 .  

 

2004 Acura TSX 

2004 ENGINE PERFORMANCE PGM-FI System - TSX

  

 

Fig. 6: Checking For Continuity Between MAP Sensor 3P Connector Terminal No. 2 & Body 
Ground 

13. Turn the ignition switch OFF.  

14. Replace the MAP sensor (see MAP SENSOR REPLACEMENT ).  

15. Turn the ignition switch ON (II).  

16. Reset the ECM/PCM with the HDS.  

 

2004 Acura TSX 

2004 ENGINE PERFORMANCE PGM-FI System - TSX

  

 

17. Do the ECM/PCM idle learn procedure (see ECM/PCM IDLE LEARN PROCEDURE ).  

18. Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS. 

Are any Temporary DTCs or DTCs indicated? 

YES: If DTC P0107 is indicated, check for poor connections or loose terminals at the MAP 
sensor and the ECM/PCM, then go to step 1 . If any other Temporary DTCs or DTCs are 
indicated, go to the indicated DTC troubleshooting.  

NO: Troubleshooting is complete.  

19. Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM (see 

HOW TO SUBSTITUTE THE ECM/PCM ).  

20. Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS. 

Are any Temporary DTCs or DTCs indicated? 

YES: If DTC P0107 is indicated, check for poor connections or loose terminals at the MAP 
sensor and the ECM/PCM, then go to step 1 . If any other Temporary DTCs or DTCs are 
indicated, go to the indicated DTC troubleshooting.  

NO: If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was 
substituted, replace the original ECM/PCM (see HOW TO REMOVE THE ECM/PCM 
FOR TESTING ).  

DTC P0108: MAP SENSOR CIRCUIT HIGH VOLTAGE 

1. Turn the ignition switch ON (II).  

2. Check the MAP SENSOR in the DATA LIST with the HDS. 

Is about 160 kPa (1,197 mm Hg, 47.1 in. Hg), 4.49 V or more indicated? 

YES: Go to step 3.  

NO: Intermittent failure, system is OK at this time. Check for poor connections or loose 
terminals at the MAP sensor and the ECM/PCM.  

3. Turn the ignition switch OFF.  

4. Disconnect the MAP sensor 3P connector.  

5. Connect MAP sensor 3P connector terminals No. 2 and No. 3 with a jumper wire. 

 

2004 Acura TSX 

2004 ENGINE PERFORMANCE PGM-FI System - TSX