Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001FPGW
Model Year Start: 2019 Model: RAV4 HV Prod Date Range: [11/2018 - 02/2019]
Title: HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): DIAGNOSTIC TROUBLE CODE CHART; 2019 MY RAV4 HV [11/2018 - 02/2019]

DIAGNOSTIC TROUBLE CODE CHART

AIR CONDITIONING SYSTEM

DTC No.

Detection Item

DTC Detection Condition

Link

B1411

Room Temperature Sensor Circuit

  • Diagnosis condition: Ambient temperature is -30°C (-22°F) or more
  • Malfunction status: Open or short in room temperature sensor circuit
  • Detection time: None (Present malfunction), continuously for 4 seconds or more (Past malfunction)

2019 MY RAV4 HV [11/2018 - 02/2019]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B1411; Room Temperature Sensor Circuit

B1412

Ambient Temperature Sensor Circuit

  • Diagnosis condition: None
  • Malfunction status: Open or short in ambient temperature sensor circuit
  • Detection time: None (Present malfunction), continuously for 4 seconds or more (Past malfunction)

2019 MY RAV4 HV [11/2018 - 02/2019]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B1412; Ambient Temperature Sensor Circuit

B1413

Evaporator Temperature Sensor Circuit

  • Diagnosis condition: None
  • Malfunction status: Open or short in evaporator temperature sensor circuit
  • Detection time: None (Present malfunction), continuously for 4 seconds or more (Past malfunction)

2019 MY RAV4 HV [11/2018 - 02/2019]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B1413; Evaporator Temperature Circuit or Evaporator Fin Thermistor

B1423

Pressure Sensor Circuit

  • Diagnosis condition: Power switch on (IG)
  • Malfunction Status: Refrigerant pressure signal malfunction
  • Detection time: Continuously for 4 seconds or more (Present malfunction)

2019 MY RAV4 HV [11/2018 - 02/2019]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B1423; Open in Pressure Sensor Circuit / Abnormal Refrigerant Pressure

B1441

Air Mix Damper Control Servo Motor Circuit (Passenger Side)

  • Diagnosis condition: During No. 1 air conditioning radiator damper servo sub-assembly (front passenger side air mix) operation
  • Malfunction status: The damper servo operation request signal is output but the position information of the servo does not change or servo is malfunctioning
  • Detection time: Continuously for 30 seconds or more

2019 - 2024 MY RAV4 HV [11/2018 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B1441; Air Mix Damper Control Servo Motor Circuit (Passenger Side)

B1442

Air Inlet Damper Control Servo Motor Circuit

  • Diagnosis condition: During No. 1 blower damper servo sub-assembly operation
  • Malfunction status: The damper servo operation request signal is output but the position information of the servo does not change or servo is malfunctioning
  • Detection time: Continuously for 30 seconds or more

2019 - 2024 MY RAV4 HV [11/2018 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B1442; Air Inlet Damper Control Servo Motor Circuit

B1443

Air Outlet Damper Control Servo Motor Circuit

  • Diagnosis condition: During No. 1 air conditioning radiator damper servo sub-assembly (driver side mode) operation
  • Malfunction status: The damper servo operation request signal is output but the position information of the servo does not change or servo is malfunctioning
  • Detection time: Continuously for 30 seconds or more

2019 - 2024 MY RAV4 HV [11/2018 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B1443; Air Outlet Damper Control Servo Motor Circuit

B1446

Air Mix Damper Control Servo Motor Circuit (Driver Side)

  • Diagnosis condition: During No. 1 air conditioning radiator damper servo sub-assembly (driver side air mix) operation
  • Malfunction status: The damper servo operation request signal is output but the position information of the servo does not change or servo is malfunctioning
  • Detection time: Continuously for 30 seconds or more

2019 - 2024 MY RAV4 HV [11/2018 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B1446; Air Mix Damper Control Servo Motor Circuit (Driver Side)

B1449

Air Outlet Damper Control Servo Motor Circuit (Rear)

  • Diagnosis condition: During No. 2 air conditioning radiator damper servo sub-assembly (rear mode) operation
  • Malfunction status: The damper servo operation request signal is output but the position information of the servo does not change or servo is malfunctioning
  • Detection time: Continuously for 30 seconds or more

2019 - 2024 MY RAV4 HV [11/2018 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B1449; Air Outlet Damper Control Servo Motor Circuit (Rear)

B1471

A/C Inverter High Voltage Power Resource System Malfunction

  • Diagnosis condition: Power switch on (READY)
  • Malfunction status: Open or short in A/C inverter high voltage power resource system
  • Detection time: None

2019 MY RAV4 HV [11/2018 - 02/2019]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B1471; A/C Inverter High Voltage Power Resource System Malfunction

B1472

A/C Inverter High Voltage Output System Malfunction

  • Diagnosis condition: Compressor operation
  • Malfunction status: Open or short in A/C inverter high voltage output system
  • Detection time: None

2019 MY RAV4 HV [11/2018 - 02/2019]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B1472; A/C Inverter High Voltage Output System Malfunction

B1474

A/C Inverter Malfunction

  • Diagnosis condition: Power switch on (READY)
  • Malfunction status: The inverter internal temperature is outside the specified range (exceeds the maximum)
  • Detection time: None

2019 MY RAV4 HV [11/2018 - 02/2019]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B1474; A/C Inverter Malfunction

B1475

A/C Inverter Cooling / Heating System Malfunction

  • Diagnosis condition: Power switch on (READY)
  • Malfunction status: Outside base temperature in the inverter (unreasonable temperature)
  • Detection time: None

2019 MY RAV4 HV [11/2018 - 02/2019]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B1475; A/C Inverter Cooling / Heating System Malfunction

B1476

A/C Inverter Load System Malfunction

  • Diagnosis condition: Compressor operation request
  • Malfunction status: Motor rotation load while the compressor is operating is too large or too small
  • Detection time: None

2019 MY RAV4 HV [11/2018 - 02/2019]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B1476; A/C Inverter Load System Malfunction

B1497

Communication Malfunction (Bus Ic)

  • Diagnosis condition: None
  • Malfunction status: Error or open in communication line between air conditioning amplifier assembly and servo motor

2019 MY RAV4 HV [11/2018 - 02/2019]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B1497; Communication Malfunction (Bus Ic)

B1498

Communication Malfunction (A/C Inverter Local)

  • Diagnosis condition: Power switch on (READY)
  • Malfunction status: Error or open in communication line between the hybrid vehicle control ECU assembly and compressor with motor assembly or high-voltage power source shut off

2019 MY RAV4 HV [11/2018 - 02/2019]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B1498; Communication Malfunction (A/C Inverter Local)

B14B2

Lost Communication with Front Panel LIN

Lost communication with air conditioning control assembly

  • Diagnosis condition: Power switch on (IG)
  • Malfunction status: Lost communication with air conditioning control assembly
  • Detection time: Continuously for 10 seconds or more

2019 MY RAV4 HV [11/2018 - 02/2019]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B14B2; Lost Communication with Front Panel LIN

B14B8

Refrigerant Shortage

  • Diagnosis condition: The amount of refrigerant is judged to be insufficient in normal operation
  • Malfunction status: When following condition is detected in refrigerant shortage check in normal operation; Amount of refrigerant is insufficient
  • Detection time: During air conditioning system operation for 10 minutes or more

2019 MY RAV4 HV [11/2018 - 02/2019]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B14B8; Refrigerant Shortage

P1C7C49

Hybrid/EV Battery Voltage System Isolation (A/C Area) Internal Electronic Failure

High voltage system insulation malfunction

2019 MY RAV4 HV [11/2018 - 02/2019]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): P1C7C49; Hybrid/EV Battery Voltage System Isolation (A/C Area) Internal Electronic Failure

U0100

Lost Communication with ECM / PCM "A"

No communication with ECM

2019 - 2024 MY RAV4 HV [11/2018 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): U0100-U0142,U0151,U0155,U0293; Lost Communication with ECM / PCM "A"

U0131

Lost Communication with Power Steering Control Module

No communication with rack and pinion power steering gear assembly (power steering ECU assembly)

2019 - 2024 MY RAV4 HV [11/2018 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): U0100-U0142,U0151,U0155,U0293; Lost Communication with ECM / PCM "A"

U0142

Lost Communication with Body Control Module "B"

No communication with main body ECU (multiplex network body ECU)

2019 - 2024 MY RAV4 HV [11/2018 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): U0100-U0142,U0151,U0155,U0293; Lost Communication with ECM / PCM "A"

U0151

Lost Communication with Restraints Control Module

No communication with airbag sensor assembly

2019 - 2024 MY RAV4 HV [11/2018 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): U0100-U0142,U0151,U0155,U0293; Lost Communication with ECM / PCM "A"

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

No communication with combination meter assembly

2019 - 2024 MY RAV4 HV [11/2018 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): U0100-U0142,U0151,U0155,U0293; Lost Communication with ECM / PCM "A"

U0293

Lost Communication with HV ECU

No communication with hybrid vehicle control ECU assembly

2019 - 2024 MY RAV4 HV [11/2018 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): U0100-U0142,U0151,U0155,U0293; Lost Communication with ECM / PCM "A"