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Diagnostic procedure

DTC P2507 - DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED 
  • Has FREEZE FRAME DATA been recorded?
 Yes Go to the next step.
No Record FREEZE FRAME DATA on repair order, then go to the next step.
2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY 
  • Check for related Service bulletins and/or on line repair information availability.
  • Is any repair information available?
 Yes Perform repair or diagnosis according to the available repair information.
  • If the vehicle is not repaired, go to the next step.
No Go to the next step.
3 INSPECT EEC FUSE 
  • Turn the ignition switch off.
  • Inspect EEC fuse for failure and proper.
  • Is it normal?
 Yes Go to step 5.
No
  • If EEC fuse has been burnt, then go to the next step.
  • If EEC fuse is not installed correctly, install it correctly then go to Step 7.
4 INSPECT MONITOR CIRCUIT FOR SHORT TO GROUND 
  • Disconnect battery cables.
  • Check continuity between EEC fuse terminal and body ground.
  • Is there continuity?
 Yes Repair or replace harness for short to ground and install new fuse, then go to Step 7.
No Go to step 7.
5 INSPECT POOR CONNECTION OF PCM CONNECTOR 
  • Disconnect PCM connector.
  • Check for poor connection (damaged, pulled-out terminals, corrosion, etc.).
  • Is there any malfunction?
 Yes Repair terminals, then go to Step 7.
No Go to the next step.
6 INSPECT MONITOR CIRCUIT FOR OPEN 
  • Disconnect battery cables.
  • Connect breakout box with PCM disconnected.
  • Check continuity between EEC fuse terminal and breakout box terminal 86.
  • Is there continuity?
 Yes Go to the next step.
No Repair or replace harness for open, then go to the next step.
7 VERIFY TROUBLESHOOTING OF DTC P2507 COMPLETED 
  • Make sure to reconnect all disconnected connectors.
  • Turn key to OFF, then start engine.
  • Is same DTC's pending cord present?
 Yes Replace PCM, then go to the next step.
No Go to the next step.
8 VERIFY AFTER REPAIR PROCEDURE  Yes Go to the applicable DTC inspection.
(See DTC TABLE .)
No Troubleshooting completed.
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