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Home >> Kia >> 2018 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> External Pages >> Different car >> Section 95 (Occupant Classification System Diagnosis (PHEV)) >> DTC B1697-87: ACU Communication Error >> Wiring Inspection >> CAN Communication Line Signal Waveform Inspection >> Check CAN Communication

Check CAN Communication

WARNING: This page is about a different car, the 2017 Kia Optima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect all control module connector.
  2. Select "Oscilloscope" with KDS/GDS.
  3. Ignition ON/Hybrid Ready (Cluster Indicator "READY" On)
  4. Back probe and measure signal waveform of Pin No. 13 (Low) terminal of IGPM and chassis ground with VMI.
  5. Back probe and measure signal waveform of Pin No. 14 (High) terminal of IGPM and chassis ground with VMI.

    Specification  : Refer the specifications in Figure below)

    G12360779Courtesy of KIA MOTORS AMERICA, INC.
  6. Are the parameters displayed correctly?

    YES 

    • Fault is intermittent caused by poor contact in the sensor's and/or SRSCM's connector or was repaired and SRSCM 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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