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Home › Hyundai › 2015 › Santa Fe Sport Base, AWD › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (2 Of 2) - 2.4L › DTC P0605: Internal Control Module Read Only Memory (ROM) Error › Wiring Inspection › Power Circuit Inspection

Power Circuit Inspection

  1. Ignition ""OFF""
  2. Disconnect PCM connector."
  3. Ignition ""ON"
  4. Measure voltage between terminal 6 of the PCM harness connector and chassis ground."

    Specification:  Remain stable at battery voltage

  5. Are circuits remaining stable at battery voltage?

    YES 

    • "Using a scan tool, check PCM software version and upgrade as necessary. If version is the newest one, check PCM for contamination, deterioration, or damage. Substitute with a known-good PCM and check for proper operation. If the problem is corrected, replace PCM and then go to ""VERIFICATION OF VEHICLE REPAIR "" procedure.
    NOTE: It is necessary to perform the TPS adaptation procedure with Scan tool when the throttle body assembly or PCM is replaced.

    ■ TPS adaptation procedure

    1. Erase previous TPS adaptation value using Scan tool.
    2. Ignition ""OFF"" and then ""ON"" without cranking. Wait for 10 seconds under enable conditions-Enable conditions: Battery >10V & Intake Air Temp. >5.3°C(41.5°F)& 5.3°C(41.5°F)< Engine Coolant Temp.<99.8°C(211.6°F)
    3. After TPS adaptation, the system normality should be confirmed by reading out ""FMY"" on the Scan Tool."

    NO 

    • If voltage fluctuates, check circuit for loose, bent or corroded terminals, Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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