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Home >> Kia >> 2015 >> Forte5 SX, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) - 1.6L >> DTC P050B: Cold Start Ignition Timing Performance >> DTC Inspection >> Monitor GDS Data

Monitor GDS Data

  1. Connect GDS to DLC (Data Link Cable).
  2. Check the "Current Data" about related DTC with GDS during Cranking the engine.
    Fig 1: Scantool Display - Synchronization Of CKPS & CMPS
    G00570187Courtesy of KIA MOTORS AMERICA, INC.
  3. If the parameter is not similar with shown data, measure related waveforms with GDS.
    Fig 2: Waveforms Of CKPS, CMPS-IN At Engine Idle
    G00570188Courtesy of KIA MOTORS AMERICA, INC.

    A : CKPS & CMPS (Intake side) synchronization - There are about 4 to 5 teeth between the CKPS missing tooth and CMPS signal.

  4. Are the parameters displayed correctly?

    YES 

    • Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

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