PCM Check
WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
- Turn the ignition switch "OFF".
- Select "vehicle Scope-Meter" in the menu, and connect channel A of GDS with FR terminal of Generator harness connector.
- Connect Channel B of GDS with C terminal of Generator harness connector.
- Engine start. And check the signal waveforms. (Compare the signal waveform of electrical loads ON with OFF)
Specification: Refer to Signal Waveform & Data below
- Is the measured signal waveforms of Generator normal?
YES
- Go to "GENERATOR CHECK " procedure.
NO
- Substitute with a known-good PCM and check for proper operation. If the problem is corrected, replace PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.