Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000ZPD2
Model Year Start: 2017 Model: Sienna Prod Date Range: [08/2016 -           ]
Title: HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: DIAGNOSTIC TROUBLE CODE CHART; 2017 - 2020 MY Sienna [08/2016 -        ]

DIAGNOSTIC TROUBLE CODE CHART

HINT:

When the air conditioning system functions properly, DTC B1400/00 is output.

Air Conditioning System

DTC Code

Detection Item

Memory*3

See page

B1411/11*1

Room Temperature Sensor Circuit

Memorized

(4 sec. or more)

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1411/11; Room Temperature Sensor Circuit

B1412/12*2

Ambient Temperature Sensor Circuit

Memorized

(4 sec. or more)

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1412/12; Ambient Temperature Sensor Circuit

B1413/13

Evaporator Temperature Sensor Circuit

Memorized

(4 sec. or more)

2016 - 2020 MY Sienna [12/2015 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1413/13; Evaporator Temperature Sensor Circuit

B1417/17

Rear Evaporator Temperature Sensor Circuit

Memorized

(4 sec. or more)

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1417/17; Rear Evaporator Temperature Sensor Circuit

B1419/19

Rear Room Temperature Sensor Circuit

Memorized

(4 sec. or more)

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1419/19; Rear Room Temperature Sensor Circuit

B1422/22

Compressor Lock Sensor Circuit

-

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1422/22; Compressor Lock Sensor Circuit

B1423/23

Pressure Sensor Circuit

-

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1423/23; Pressure Sensor Circuit

B1441/41

Air Mix Damper Control Servo Motor Circuit (Passenger Side)

Memorized

(30 sec. or more)

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1441/41; Air Mix Damper Control Servo Motor Circuit (Passenger Side)

B1442/42

Air Inlet Damper Control Servo Motor Circuit

Memorized

(30 sec. or more)

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1442/42; Air Inlet Damper Control Servo Motor Circuit

B1443/43

Air Outlet Damper Control Servo Motor Circuit

Memorized

(30 sec. or more)

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1443/43; Air Outlet Damper Control Servo Motor Circuit

B1446/46

Air Mix Damper Control Servo Motor Circuit (Driver Side)

Memorized

(30 sec. or more)

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1446/46; Air Mix Damper Control Servo Motor Circuit (Driver Side)

B1447/47

Rear Air Mix Damper Control Servo Motor Circuit

Memorized

(30 sec. or more)

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1447/47; Rear Air Mix Damper Control Servo Motor Circuit

B1449/49

Rear Air Outlet Damper Control Servo Motor Circuit

Memorized

(30 sec. or more)

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1449/49; Rear Air Outlet Damper Control Servo Motor Circuit

B1451/51

Compressor Solenoid Circuit

-

2016 - 2020 MY Sienna [12/2015 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1451/51; Compressor Solenoid Circuit

B1497/97

BUS IC Communication Malfunction

Memorized

(10 sec. or more)

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1497/97; BUS IC Communication Malfunction

B14A2

Driver Side Solar Sensor Short Circuit

Memorized

(4 sec. or more)

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B14A2; Driver Side Solar Sensor Short Circuit

B14A3

Front Passenger Side Solar Sensor Short Circuit

Memorized

(4 sec. or more)

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B14A3; Front Passenger Side Solar Sensor Short Circuit

B14B2

Lost Communication with Front Panel LIN

Memorized

(10 sec. or more)

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B14B2; Lost Communication with Front Panel LIN

B14B3

Lost Communication with Rear Panel LIN

Memorized

(10 sec. or more)

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B14B3; Lost Communication with Rear Panel LIN

B14B8

Refrigerant Shortage

Memorized

(15 min. or more)

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B14B8; Refrigerant Shortage

U0100

Lost Communication with ECM

Memorized

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: U0100-U0142,U0155; Lost Communication with ECM

U0131

Lost Communication with Electric Power Steering ECU

Memorized

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: U0100-U0142,U0155; Lost Communication with ECM

U0142

Lost Communication with Main Body ECU

Memorized

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: U0100-U0142,U0155; Lost Communication with ECM

U0155

Lost Communication with Combination Meter

Memorized

2017 - 2020 MY Sienna [08/2016 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: U0100-U0142,U0155; Lost Communication with ECM

*1: If the cabin temperature is approx. -18.6°C (-1.48°F) or lower, DTC B1411/11 may be output even though the system is normal.

*2: If the ambient temperature is approx. -52.9°C (-63.22°F) or lower, DTC B1412/12 may be output even though the system is normal.

*3: The A/C amplifier stores the DTC of the respective malfunction if it has occurred for the period of time indicated in the brackets.

*4: Circuit is open or shorted.

*5: Sensor is stuck.