DTC indicator A: Climate Control Unit Internal Error
NOTE:
Check the 12 volt battery condition (see
12 VOLT BATTERY TEST
), and the charging system (see
CHARGING SYSTEM INDICATOR CIRCUIT TROUBLESHOOTING
).
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0) and then to ON (II).
- Do the self-diagnostic function with the climate control unit (see HOW TO USE THE SELF-DIAGNOSTIC FUNCTION WITHOUT THE HDS ).
- Check for DTCs.
Is DTC A indicated?
YES -The climate control unit is faulty, replace the climate control unit (see CLIMATE CONTROL UNIT REMOVAL/INSTALLATION ).
NO -Intermittent failure, the climate control unit is OK at this time.