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Diagnostic procedure

DTC P050B [L3] DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 IDENTIFY TRIGGER DTC FOR FREEZE FRAME DATA (MODE 2) 
  • Is DTC P050B on FREEZE FRAME DATA (Mode 2)?
Yes Go to the next step.
No Go to troubleshooting for DTC on FREEZE FRAME DATA (Mode 2).
(See DTC TABLE .)
2 VERIFY FREEZE FRAME DATA (MODE 12) HAVE BEEN RECORDED 
  • Have FREEZE FRAME DATA (Mode 12) been recorded?
Yes Go to the next step.
No Record the freeze frame data (Mode 12) on the repair order, then go to the next step.
3 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.
4 IDENTIFY TRIGGER DTC FOR FREEZE FRAME DATA 
  • Is P050B on FREEZE FRAME DATA?
Yes Go to the next step.
No Go to troubleshooting procedures for DTC on freeze frame data.
(See DTC TABLE .)
5 INSPECT CKP SENSOR 
Yes Go to the next step.
No Replace the CKP sensor, then go to Step 8.
6 VISUALLY INSPECT CMP SENSOR AND PULSE WHEEL 
  • Visually inspect for CMP sensor and pulse wheel.
  • Is there any damage or chip on CMP sensor and pulse wheel?
Yes Replace the suspected part, then go to Step 8.
No Go to the next step.
7 INSPECT CMP SENSOR 
Yes Go to the next step.
No Replace the CMP sensor, then go to the next step.
8 VERIFY TROUBLESHOOTING OF DTC P050B COMPLETED 
  • Make sure to reconnect all disconnected connectors.
  • Clear DTC from the PCM memory using the M-MDS.
  • Perform the KOER self-test using the M-MDS.

    (See DTC TABLE .)

  • Is the PENDING CODE for this DTC present?
Yes Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION .)
No Go to the next step.
9 VERIFY AFTER REPAIR PROCEDURE 
Yes Go to the applicable DTC troubleshooting.
(See DTC TABLE .)
No Troubleshooting completed.