Diagnostic Trouble Code Chart
CAUTION:
During diagnosis, a DTC code associated with other system may be set when the ignition switch is turned on with connector(s) disconnected. On completion of repairs, confirm all systems for DTC code(s). If DTC code(s) are set, erase them all.
DIAGNOSTIC TROUBLE CODE CHART
| DIAGNOSTIC TROUBLE CODE | DIAGNOSTIC ITEM |
|---|---|
| B1011 | Ambient air temperature sensor system (short circuit) |
| B1012 | Ambient air temperature sensor system (open circuit) |
| B1021 | Air thermo sensor system (short circuit) |
| B1022 | Air thermo sensor system (open circuit) |
| B1031 | A/C pressure sensor system (short circuit) |
| B1032 | A/C pressure sensor system (open circuit or short circuit |
| B1041 | Air mixing damper control motor and potentiometer (potentiometer system shorted to its ground) |
| B1042 | Air mixing damper control motor and potentiometer (potentiometer system shorted to its ground ) |
| B1045 | Air mixing damper control motor and potentiometer (activating system failure) |
| B1061 | Mode selection damper control motor and potentiometer (potentiometer system shorted to its power supply) |
| B1062 | Mode selection damper control motor and potentiometer (potentiometer system shorted to its ground) |
| B1065 | Mode selection damper control motor and potentiometer (activating system failure) |
| U1073 | Bus off |
| U1100 | Powertrain control module time-out (related to engine) |
| U1111 | Multi-center display unit (middle grade type) time-out |
| U1120 | Failure information on powertrain control module (related to engine) |