Last Modified: 01-30-2024 |
6.11:8.1.0 |
Doc ID: RM100000001H8PQ |
Model Year Start: 2019 |
Model: RAV4 HV |
Prod Date Range: [02/2019 -
] |
Title: HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for AWD with NICKEL METAL HYDRIDE BATTERY): P1BFB9E; Battery Discharge Control Circuit Stuck On; 2019 - 2024 MY RAV4 HV [02/2019 - ] |
DTC
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P1BFB9E
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Battery Discharge Control Circuit Stuck On
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DESCRIPTION
The motor generator ECU located in the inverter with converter assembly receives power from the IGCT power source line and discharge control power source line. A semiconductor switch is installed in the motor generator ECU to switch which is used to switch the discharge control power source line power source on and off.
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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MIL
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Warning Indicate
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P1BFB9E
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Battery Discharge Control Circuit Stuck On
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When the motor generator ECU is started, the discharge control BAT switch command flag is OFF for a certain period of time, but the discharge control BAT voltage is at or above the threshold at that time.
(1 trip detection logic)
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Inverter with converter assembly
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Does not Come on
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Master Warning:
Comes on
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CONFIRMATION DRIVING PATTERN
HINT:
After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.
Click here
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Connect the Techstream to the DLC3.
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Turn the ignition switch to ON and turn the Techstream on.
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Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
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Turn the ignition switch off and wait for 2 minutes or more.
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Turn the ignition switch to ON and turn the Techstream on.
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With the ignition switch ON and wait for 10 seconds or more.
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Enter the following menus: Powertrain / Motor Generator / Utility / All Readiness.
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Check the DTC judgment result.
HINT:
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If the judgment result shows NORMAL, the system is normal.
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If the judgment result shows ABNORMAL, the system has a malfunction.
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If the judgment result shows INCOMPLETE, perform driving pattern again.
WIRING DIAGRAM
Refer to a wiring diagram for DTC P1BFCA2.
Click here
PROCEDURE
1.
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REFER TO REPLACE INVERTER WITH CONVERTER ASSEMBLY PARTS
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Click here
NEXT |
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COMPLETED
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