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Home >> Mazda >> 2012 >> 6 i Touring >> Repair and Diagnosis >> External Pages >> Different car >> Section 631 (On-Board Diagnostic (Engine Control System MZI-3.7) (4 Of 5)) >> DTC P060B:00 [MZI-3.7] >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
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 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 Service Bulletins available?
 Yes Perform repair or diagnosis according to the available Service Bulletins.
  • If the vehicle is not repaired, go to the next step.
No Go to the next step.
3 VERIFY RELATED PENDING CODE OR STORED DTCs 
  • Switch the ignition off then to the ON position (Engine off).
  • Verify related pending code or stored DTCs
  • Are other DTCs present?
 Yes Go to the appropriate DTC troubleshooting.
(See DTC TABLE [MZI-3.7] .)
No Go to the next step.
4 INSPECT FOR REFERENCE VOLTAGE CONCERNS 
  • Inspect the PCM wiring harness for damage.
  • Verify the correct operation of the sensors using ETCREF, VREF and related circuits
  • Is a concern present?
 Yes Go to the next step.
No Go to Step 6.
5 INSPECT FOR CORRECT PCM OPERATION 
  • Disconnect all the PCM connectors.
  • Visually inspect for.
    • Pushed out pins
    • Corrosion
  • Connect all the PCM connectors and verify that they seat correctly
  • Retrieve DTCs using the M-MDS
  • Is the PENDING CODE for this DTC present?
 Yes Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION [MZI-3.7] .)
No Go to the next step
6 VERIFY TROUBLESHOOTING OF DTC P060B:00 HAS BEEN COMPLETED 
  • Verify that all disconnected connectors reconnected
  • Switch the ignition ON (Engine off)
  • Clear the DTC from the PCM memory using the M-MDS
  • Perform the "KOEO and KOER self-test"

    (See KOEO/KOER SELF TEST [MZI-3.7] .)

  • Retrieve DTCs using the M-MDS
  • Is the PENDING CODE for this DTC present?
 Yes Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION [MZI-3.7] .)
No Go to the next step
7 VERIFY AFTER REPAIR PROCEDURE 
 Yes Go to the applicable DTC inspection.
(See DTC TABLE [MZI-3.7] .)
No Troubleshooting completed
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