Checking for DTCs
| A/C Error Display Screen ID | Display No. | Parts Name | Contents | DTC | Detection Item |
|---|---|---|---|---|---|
| A | A1 | Ambient temperature Sensor | Open | B1227 | An open in the outside air temperature sensor circuit |
| A2 | Ambient temperature Sensor | Short | B1228 | A short in the outside air temperature sensor circuit | |
| A3 | Solar radiation Sensor | Fail | B123F | Automatic lighting control unit/sunlight sensor error | |
| A4 | Solar radiation Sensor Variation | Unknown | --- | Unknown sunlight sensor type | |
| A5 | Evaporator Sensor | Open | B1231 | An open in the evaporator temperature sensor circuit | |
| A6 | Evaporator Sensor | Short | B1232 | A short in the evaporator temperature sensor circuit | |
| B1 | In-car temperature Sensor | Open | B1225 | An open in the in-car temperature sensor circuit | |
| B2 | In-car temperature Sensor | Short | B1226 | A short in the in-car temperature sensor circuit |
*1: With dual zone control *2: With front seat heater
| A/C Error Display Screen ID | Display No. | Parts Name | Contents | DTC | Detection Item |
|---|---|---|---|---|---|
| B | A1 | A/M motor(Dr) | Open | B1233 | An open in the air mix control motor circuit (driver's) |
| A2 | A/M motor(Dr) | Short | B1234 | A short in the air mix control motor circuit (driver's) | |
| A3 | A/M motor(Dr) | Lock | B1235 | A problem in the air mix control motor circuit, linkage, door, or motor (driver's) | |
| A4 *1 | A/M motor(As) | Open | B1236 | An open in the passenger's air mix control motor circuit | |
| A5 *1 | A/M motor(As) | Short | B1237 | A short in the passenger's air mix control motor circuit | |
| A6 *1 | A/M motor(As) | Lock | B1238 | A problem in the passenger's air mix control motor circuit, linkage, door, or motor | |
| B1 | Mode motor | Open | B121A | An open in the mode control motor circuit | |
| B2 | Mode motor | Short | B121B | A short in the mode control motor circuit | |
| B3 | Mode motor | Lock | B1240 | A problem in the mode control motor circuit, linkage, door, or motor | |
| B4 | R/F motor | Open | B2986 | An open in the recirculation control motor circuit | |
| B5 | R/F motor | Short | B1220 | A short in the recirculation control motor circuit | |
| B6 | R/F motor | Lock | B2983 | A problem in the recirculation control motor circuit, linkage, door, or motor | |
| D | A1 | Blower motor | Lock | B1241 | A problem in the blower motor circuit |
| B1 | Compressor solenoid | Open | B2988 | An open in the A/C compressor variable capacity control solenoid circuit | |
| B2 | Compressor solenoid | Short | A short in the A/C compressor variable capacity control solenoid circuit | ||
| I | A1 | B-CAN | BUS OFF | U1280 | Communication bus line error(BUS-OFF) |
| A2 | Lost Communication with | Meter(BCAN) | U128D | Climate control unit lost communication with gauge control module | |
| A3 | Lost Communication with | MICU(BCAN) | U1281 | Climate control unit lost communication with MICU (body control module) | |
| A4 | Lost Communication with | AHU(BCAN) | --- | Climate control unit lost communication with center display unit | |
| A6 *2 | Lost Communication with | HCS(BCAN) | U1290 | Climate control unit lost communication with seat heater control unit (front) | |
| B4 | LIN Communication | BUS OFF | B120A | Climate control unit LIN communication bus line error | |
| B5 | Lost Communication with | Fr PANEL(LIN) | B2964 | Climate control unit lost communication with front panel (climate control panel) | |
| B8 | EEPROM | Data Error | --- | Climate control unit internal error |
*1: With dual zone control *2: With front seat heater
| A/C Error Display Screen ID | Display No. | Parts Name | Contents | DTC | Detection Item |
|---|---|---|---|---|---|
| A | A1 | Ambient temperature Sensor | Open | B1227 | An open in the outside air temperature sensor circuit |
| A2 | Ambient temperature Sensor | Short | B1228 | A short in the outside air temperature sensor circuit | |
| A3 | Solar radiation Sensor | Fail | B123F | Automatic lighting control unit/sunlight sensor error | |
| A4 | Solar radiation Sensor Variation | Unknown | --- | Unknown sunlight sensor type | |
| A5 | Evaporator Sensor | Open | B1231 | An open in the evaporator temperature sensor circuit | |
| A6 | Evaporator Sensor | Short | B1232 | A short in the evaporator temperature sensor circuit | |
| B1 *1 | In-car temperature Sensor | Open | B1225 | An open in the in-car temperature sensor circuit | |
| B2 *1 | In-car temperature Sensor | Short | B1226 | A short in the in-car temperature sensor circuit | |
| B6 *2 | Hum-Temp Sensor Comm | Error | B121D | Humidity/in-car temperature sensor communication error | |
| B7 *2 | Hum-Temp Sensor Comm | Line Error | --- | Display "Normal" when humidity/in-car temperature sensor 4P connector disconnected, and connect HUM CLK line and HUM DATA line with a jumper wire. | |
| B | A1 | A/M motor(Dr) | Open | B1233 | An open in the air mix control motor circuit (driver's) |
| A2 | A/M motor(Dr) | Short | B1234 | A short in the air mix control motor circuit (driver's) | |
| A3 | A/M motor(Dr) | Lock | B1235 | A problem in the air mix control motor circuit, linkage, door, or motor (driver's) | |
| A4 *3 | A/M motor(As) | Open | B1236 | An open in the passenger's air mix control motor circuit | |
| A5 *3 | A/M motor(As) | Short | B1237 | A short in the passenger's air mix control motor circuit | |
| A6 *3 | A/M motor(As) | Lock | B1238 | A problem in the passenger's air mix control motor circuit, linkage, door, or motor | |
| B1 | Mode motor | Open | B121A | An open in the mode control motor circuit | |
| B2 | Mode motor | Short | B121B | A short in the mode control motor circuit | |
| B3 | Mode motor | Lock | B1240 | A problem in the mode control motor circuit, linkage, door, or motor | |
| B4 | R/F motor | Open | B2986 | An open in the recirculation control motor circuit | |
| B5 | R/F motor | Short | B1220 | A short in the recirculation control motor circuit | |
| B6 | R/F motor | Lock | B2983 | A problem in the recirculation control motor circuit, linkage, door, or motor | |
| D | A1 | Blower motor | Lock | B1241 | A problem in the blower motor circuit |
| B1 | Compressor solenoid | Open | B2988 | An open in the A/C compressor variable capacity control solenoid circuit | |
| B2 | Compressor solenoid | Short | A short in the A/C compressor variable capacity control solenoid circuit |
*1: With auto idle stop system *2: Without auto idle stop system*3: With dual zone control *4: With front seat heater
| A/C Error Display Screen ID | Display No. | Parts Name | Contents | DTC | Detection Item |
|---|---|---|---|---|---|
| I | A1 | B-CAN | BUS OFF | U1280 | Communication bus line error(BUS-OFF) |
| A2 | Lost Communication with | Meter(BCAN) | U128D | Climate control unit lost communication with gauge control module | |
| A3 | Lost Communication with | MICU(BCAN) | U1281 | Climate control unit lost communication with MICU (body control module) | |
| A4 | Lost Communication with | AHU(BCAN) | --- | Climate control unit lost communication with center display unit | |
| A6 *4 | Lost Communication with | HCS(BCAN) | U1290 | Climate control unit lost communication with seat heater control unit (front) | |
| B4 | LIN Communication | BUS OFF | B120A | Climate control unit LIN communication bus line error | |
| B5 | Lost Communication with | Fr PANEL(LIN) | B2964 | Climate control unit lost communication with front panel (climate control panel) | |
| B8 | EEPROM | Data Error | --- | Climate control unit internal error |
*1: With auto idle stop system *2: Without auto idle stop system*3: With dual zone control *4: With front seat heater