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Home >> Mazda >> 2011 >> 6 s Touring Plus >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (On-Board Diagnostic [Engine Control System MZR 2.5]) >> DTC P2507:00 >> Diagnostic procedure

Diagnostic procedure

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DIAGNOSTIC PROCEDURE CHART

STEP INSPECTION ACTION
1 VERIFY FREEZE FRAME DATA (MODE 2)/SNAPSHOT DATA HAS BEEN RECORDED 
  • Has the FREEZE FRAME DATA (Mode 2)/snapshot data been recorded?
 Yes Go to the next step.
No Record the FREEZE FRAME DATA (Mode 2)/snapshot data on the repair order, then go to the next step.
2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY 
  • Verify related Service Bulletins and/or on-line repair information availability.
  • Is any related 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 FUSE 
  • Switch the ignition to off.
  • Disconnect the negative battery cable.
  • Remove the ENG+B 10 A fuse.
  • Inspect the ENG+B 10 A fuse.
  • Is there any malfunction?
 Yes Replace the ENG+B 10 A fuse, then go to Step 7.
No Go to the next step.
4 INSPECT BATTERY  Yes Recharge or replace the battery, then go to Step 7.
(See BATTERY RECHARGING .)
(See BATTERY REMOVAL/INSTALLATION .)
No Go to the next step.
5 INSPECT PCM CONNECTOR CONDITION 
  • Disconnect the PCM connector.
  • Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
  • Is there any malfunction?
 Yes Repair or replace the terminal and/or connector, then go to Step 7.
No Go to the next step.
6 INSPECT PCM MONITOR CIRCUIT FOR SHORT TO GROUND OR OPEN CIRCUIT 
  • PCM connector is disconnected.
  • Install the ENG+B 10 A fuse.
  • Reconnect the negative battery cable.
  • Switch the ignition to ON (engine off).
  • Measure the voltage between PCM terminal 1C (wiring harness-side) and body ground.
  • Is the voltage B+?
 Yes Go to the next step.
No Repair or replace the wiring harness for a possible short to ground or open circuit, then go to the next step.
7 VERIFY DTC TROUBLESHOOTING COMPLETED 
  • Make sure to reconnect all disconnected connectors.
  • Install the EWG+B 10 A fuse.
  • Reconnect the negative battery cable.
  • Clear the DTC from the PCM memory using the M-MDS.

    (See AFTER REPAIR PROCEDURE .)

  • Perform the KOEO or KOER self test. (See KOEO/KOER SELF TEST .)
  • Is the same DTC present?
 Yes Repeat the inspection from Step 1.
  • If the malfunction recurs, replace the PCM.

(See PCM REMOVAL/INSTALLATION .)
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 DTC troubleshooting completed.
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