Toyota Sienna Quiz
Air conditioning

Diagnostic trouble code chart

In this manual: Air conditioning
Introduction — 55Service specifications — 7Maintenance — 7Engine — 264U151e automatic transaxle — 108Transfer — 19Propeller shaft — 8Drive shaft — 14Differential — 16Axle — 18Suspension — 37Tire and wheel — 54Brake control — 141Parking brake — 16Steering Column — 11Power steering — 18Air conditioning — 106Supplemental restraint system — 146Seat belt — 22Theft deterrent — 14Engine immobiliser — 17Cruise control — 65Lighting — 61Wiper and washer — 13Door lock — 42Meter — 28Audio / visual — 94Navigation — 108Park assist / monitoring — 33Horn — 5Garage door opener — 42GR-FE Engine control system — 126Supplemental restraint system — 147Other system — 14Windshield / windowglass — 43Mirror — 23Instrument panel — 6Seat belt — 22Seat — 92Engine hood / door — 104Exterior — 39Interior — 5Sliding roof — 9Multiplex communication — 18Can communication — 23
~1min read

If a trouble code is displayed during the DTCs check (sensor check), check the circuit listed for the code in the table below (Proceed to the page given for that circuit).

AIR CONDITIONING SYSTEM

AIR CONDITIONING SYSTEM
AIR CONDITIONING SYSTEM
AIR CONDITIONING SYSTEM
AIR CONDITIONING SYSTEM

HINT:

  • *1: If the cabin temperature is approximately -18.6 °C or lower, DTC B1411/11 may be output even though the system is normal.
  • *2: If the check is being performed in a dark place, DTC B1421/21 or B1424/24 (solar sensor circuit abnormal) could be displayed.
  • *3: Short in the circuit.
  • *4: Open in the circuit.

Test yourself

A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.