Last Modified: 01-30-2024 |
6.11:8.1.0 |
Doc ID: RM100000001HIR1 |
Model Year Start: 2019 |
Model: RAV4 HV |
Prod Date Range: [02/2019 - 06/2020] |
Title: HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B1474; A/C Inverter Malfunction; 2019 - 2020 MY RAV4 HV [02/2019 - 06/2020] |
DTC
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B1474
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A/C Inverter Malfunction
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DESCRIPTION
DTC No.
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Detection Item
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DTC Detection Condition
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Trouble Area
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Memory
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B1474
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A/C Inverter Malfunction
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-
Diagnosis condition: Ignition switch ON (READY)
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Malfunction status: The inverter internal temperature is outside the specified range (exceeds the maximum)
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Detection time: None
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-
Compressor with motor assembly
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CAN communication system
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Memorized
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CAUTION / NOTICE / HINT
CAUTION:
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Wear insulated gloves and pull out the service plug grip before inspection as procedures may require disconnecting high-voltage connectors. Carry the removed service plug in your pocket to prevent other technicians from accidentally reconnecting it while you are servicing the vehicle.
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Do not touch the high-voltage connectors or terminals for 10 minutes after the service plug grip is removed.
NOTICE:
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After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.
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for 2WD:
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for AWD:
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The hybrid control system and air conditioning system output DTCs separately. Perform troubleshooting for the hybrid control system first if DTCs from these systems are output simultaneously.
PROCEDURE
1.
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CHECK CAN COMMUNICATION SYSTEM
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(a) Using the Techstream, check if the CAN communication system is functioning normally.
Click here
Result
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Proceed to
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CAN communication system DTCs are not output
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A
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CAN communication system DTCs are output
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B
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