Circuit/System Verification
- Ignition ON, observe the scan tool Driver Information Center Switch parameter, that when the S78 turn signal/multifunction switch Menu is pressed and released the scan tool parameter toggles between Menu and Inactive.
- If not the specified value, refer to Menu Switch Circuit Test.
- Ignition ON, observe the scan tool Driver Information Center Switch parameter, that when the S78 turn signal/multifunction switch UP, DOWN, SET/CLR are pressed and released the scan tool parameter toggles between Up, Down, Clear and Inactive.
- If not the specified value, refer to Up, Down, or Set/Clear Switch Circuit Test.