LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2006 >> RX 400h AWD >> Repair and Diagnosis >> General Information >> DTC Index >> HVAC DTCS
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

HVAC DTCS

HVAC DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Description
B1411/11 *1 Room Temperature Sensor Circuit
B1412/12 *2 Ambient Temperature Sensor Circuit
B1413/13 Evaporator Temperature Sensor Circuit
B1421/21 *3 Solar Sensor Circuit (Passenger Side)
B1423/23 Pressure Switch Circuit
B1424/24 *3 Solar Sensor Circuit (Driver Side)
B1431/31 Air Mix Damper Position Sensor Circuit (Passenger Side)
B1432/32 Air Inlet Damper Position Sensor Circuit
B1433/33 Air Outlet Damper Position Sensor Circuit
B1436/36 Air Mix Damper Position Sensor Circuit (Driver Side)
B1441/41 Air Mix Damper Control Servomotor Circuit (Passenger Side)
B1442/42 Air Inlet Damper Control Servomotor Circuit
B1443/43 Air Outlet Damper Control Servomotor Circuit
B1446/46 Air Mix Damper Control Servomotor Circuit (Driver Side)
B1462/62 Room Humidity Sensor Circuit
B1471/71 A/C Inverter High Voltage Power Resource System Malfunction
B1472/72 A/C Inverter High Voltage Output System Malfunction
B1473/73 A/C Inverter Start-up Signal System Malfunction
B1475/75 A/C Inverter Cooling / Heating System Malfunction
B1476/76 A/C Inverter Load System Malfunction
B1477/77 A/C Inverter Low Voltage Power Resource System Malfunction
B1498/98 Communication Malfunction (A/C Inverter Local)
B1474/74 A/C Inverter Malfunction
P0AA6-611 Hybrid Battery Voltage System Isolation Fault
B1499/99 Multiplex Communication Circuit