Honda Element. Manual - part 686

1. Start the engine, and let it idle.  

2. Check the ELD in the DATA LIST with the HDS. 

Is 0.2 A or less indicated ?  

YES -Go to step 3. 

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

3. Turn the ignition switch OFF.  

4. Disconnect the ELD 3P connector.  

5. Turn the ignition switch ON (II).  

6. Measure voltage between ELD 3P connector terminal No. 1 and body ground. 

Fig. 97: Measuring Voltage Between ELD 3P Connector Terminal No. 1 And Body Ground 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there battery voltage?  

YES -Go to step 7. 

NO -Check the No. 4 ACG (10 A) fuse in the under-dash fuse/relay box. If the fuse is OK, repair open in 
the wire between the No. 4 ACG (10 A) fuse and the ELD, then go to step 14. 

7. Turn the ignition switch OFF.  

8. Connect ELD 3P connector terminal No. 3 to body ground with a jumper wire. 

 

2007 Honda Element EX 

2007-2008 ENGINE PERFORMANCE PGM-FI System - Element

  

Fig. 98: Connecting ELD 3P Connector Terminal No. 3 To Body Ground With Jumper Wire 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

9. Jump the SCS line with the HDS.  

10. Disconnect ECM/PCM connector E (31P).  

11. Check for continuity between ECM/PCM connector terminal E15 and body ground. 

Fig. 99: Checking Continuity Between ECM/PCM Connector Terminal E15 And Body Ground 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES -Go to step 12. 

NO -Repair open in the wire between the ECM/PCM (E15) and the ELD, then go to step 14. 

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

 

2007 Honda Element EX 

2007-2008 ENGINE PERFORMANCE PGM-FI System - Element

  

Fig. 100: Checking Continuity Between ELD 3P Connector Terminal No. 2 And Body Ground 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES -Go to step 13. 

NO -Repair open in the wire between the ELD and G301, then go to step 14. 

13. Replace the ELD (see ELD REPLACEMENT ).  

14. Reconnect all connectors.  

15. Turn the ignition switch ON (II).  

16. Reset the ECM/PCM with the HDS.  

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

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

Is DTC P1298 indicated?  

YES -Go to step 19. 

NO -Troubleshooting is complete. If any other Temporary DTCs or DTCs are indicated, go to the 
INDICATED DTCS TROUBLESHOOTING. 

19. Update the ECM/PCM if it does not have the latest software (see UPDATING THE ECM/PCM ), or 

substitute a known-good ECM/PCM (see SUBSTITUTING THE ECM/PCM ).  

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

Is DTC P1298 indicated?  

YES -Check for poor connections or loose terminals at the ELD and the ECM/PCM. If the ECM/PCM 
was updated, substitute a known-good ECM/PCM (see SUBSTITUTING THE ECM/PCM ), then 
recheck. If the ECM/PCM was substituted, go to step 1. 

NO -If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was substituted, 
replace the original ECM/PCM (see ECM/PCM REPLACEMENT ). If any other Temporary DTCs or 

 

2007 Honda Element EX 

2007-2008 ENGINE PERFORMANCE PGM-FI System - Element

  

DTCs are indicated, go to the INDICATED DTCS TROUBLESHOOTING. 

DTC P1549: CHARGING SYSTEM HIGH VOLTAGE 

1. Turn the ignition switch ON (II).  

2. Clear the DTC with the HDS.  

3. Start the engine.  

4. Check under these conditions: 



A/C off  



Headlights off  



Rear window defogger off  

5. Hold the engine speed at 2,000 rpm (in Park or neutral) for 1 minute.  

6. Check for Temporary DTCs or DTCs with the HDS. 

Is DTC P1549 indicated?  

YES -Replace the alternator (see ALTERNATOR REMOVAL AND INSTALLATION ), then go to 
step 7. 

NO -Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at 
the alternator and the under-hood fuse/relay box. 

7. Turn the ignition switch ON (II).  

8. Reset the ECM/PCM with the HDS.  

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

10. Start the engine.  

11. Check under these conditions: 



A/C off  



Headlights off  



Rear window defogger off  

12. Hold the engine speed at 2,000 rpm (in Park or neutral) for 1 minute.  

13. Check for Temporary DTCs or DTCs with the HDS. 

Is DTC P1549 indicated?  

YES -Check for poor connections or loose terminals at the alternator and the under-hood fuse/relay box, 

NOTE:



Before you troubleshoot, record all freeze data and any on-board 
snapshot, and review the general troubleshooting information (see 
GENERAL TROUBLESHOOTING INFORMATION ).  



If a high voltage battery (24 V, etc.) is connected to the vehicle, this DTC 
can be stored.  

 

2007 Honda Element EX 

2007-2008 ENGINE PERFORMANCE PGM-FI System - Element