Note. Apart of the A/C does not display. There is A/C information in the display. Wrong indication in LCD.
- Repeat turning the ignition switch ON (II) and OFF to see if the problem appears. Does the problem appear? YES -Go to step 2. NO -Operation is normal.
- Remove the audio-HVAC display module (see «AUDIO-HVAC DISPLAY MODULE REMOVAL/INSTALLATION»(ref-302088-S21911392932008102100000) ), and check for the proper connection of the connectors. Is it connected properly? YES -Go to step 3. NO -Reconnect the connectors, and recheck the problem.
- Check all A/C information in the LCD display. Do all the indicators work? YES -Go to step 4. NO -Replace the audio-HVAC display module.
- Remove the audio unit (see «AUDIO-HVAC DISPLAY PANEL AND AUDIO UNIT REMOVAL/INSTALLATION»(ref-302088-S12493835132008102100000) ).
- Connect test harness (070AZ-SDAA200) to the radio test harness breakout box (07AAZ-SDAA100).
- Connect the test harness connectors to the printed circuit board connector on the audio unit.
- Connect the ohm meter to the breakout box (07AAZ-SDAA200) AUTO/MANU and GND terminals. Is there continuity? YES -Faulty audio-HVAC display panel. NO -Operation is normal.