Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.

Ignition ON.
Verify the scan tool ISS/OSS Supply Voltage parameter displays OK.
- If OK is not displayed
  Refer to Circuit/System Testing .
- If OK is displayed
Engine idling in park position.
Verify the scan tool Transmission ISS parameter varies with engine RPM and does not drop out.
- If the Transmission ISS does not vary with engine speed or drops out
  Refer to Circuit/System Testing .
- If the Transmission ISS does vary with engine speed and does not drop out
Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observe from the Freeze Frame/Failure Records data.
Verify the DTC does not set.
- If the DTC sets
  Refer to Circuit/System Testing .
- If the DTC does not set
All OK.