P1298

DTC P1298: ELD Circuit High Voltage (2006 model)

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.

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, 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.

Is there battery voltage?

YES - Go to step 7.

NO - Repair open in the wire between the No.18 ACG (15 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.
9. Jump the SCS line with the HDS.
10. Disconnect ECM/PCM connector E (31P).




11. Check for continuity between ECM/PCM connector terminal E18 and body ground.

Is there continuity?

YES - Go to step 12.

NO - Repair open in the wire between the ECM/PCM (E18) and the ELD, then go to step 14.




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

Is there continuity?

YES - Go to step 13.

NO - Repair open in the wire between the ELD and G302, then go to step 14.

13. Replace the under-hood fuse/relay box.
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.
18. Check for Temporary DTCs or DTCs with the HDS.

Are any Temporary DTCs or DTCs indicated?

YES - Go to step 19.

NO - Troubleshooting is complete.

19. Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM.
20. Check for Temporary DTCs or DTCs with the HDS.

Are any Temporary DTCs or DTCs indicated?

YES - If DTC P1298 is indicated, check for poor connections or loose terminals at the ELD and the ECM/PCM, then go to step 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.

NO - If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was substituted, replace the original ECM/PCM.