Mode Control Switch Test
- Remove the heater-A/C control panel (see HEATER-A/C CONTROL PANEL REMOVAL/INSTALLATION ).
- Check for continuity between No. 3 and No. 4 terminals while rotating the mode control dial from (A) to (B).
- If there is no continuity, replace the heater-A/C control panel (see HEATER-A/C CONTROL PANEL REMOVAL/INSTALLATION ).