Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001OBBK
Model Year Start: 2020 Model: RAV4 HV Prod Date Range: [06/2020 -           ]
Title: HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): P33B99F; Motor/Generator Shutdown Signal (Hybrid/EV Side) Stuck Off; 2020 - 2024 MY RAV4 HV [06/2020 -        ]

DTC

P33B99F

Motor/Generator Shutdown Signal (Hybrid/EV Side) Stuck Off

DTC SUMMARY

MALFUNCTION DESCRIPTION

The hybrid vehicle control ECU assembly detects malfunctions which prevent the inverter with converter assembly emergency shutdown circuit (HSDN) from shutting down the hybrid control system. Detection is performed when the ignition switch is turned to ON and during the shutdown sequence when the ignition switch is turned off. If the following condition is detected, this DTC will be stored. If the following condition is not detected, DTC P321E9F will be stored.

  • Hybrid vehicle control ECU assembly malfunction

DESCRIPTION

Refer to the description for DTC P321E9F.

Click here 2020 - 2024 MY RAV4 HV [06/2020 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): P321E9F; Motor/Generator Shutdown Signal Stuck Off+

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

Warning Indicate

P33B99F

Motor/Generator Shutdown Signal (Hybrid/EV Side) Stuck Off

When the HV gate shutdown function check is performed (when the ignition switch is turned from ON (READY) to off) and checked at the motor generator control ECU (MG ECU), the shutdown signals sent by the main CPU and sub CPU of the hybrid vehicle control ECU assembly do not match.

(1 trip detection logic)

Hybrid vehicle control ECU assembly

Does not come on

Master Warning:

Comes on

Related Data List

DTC No.

Data List

P33B99F

-

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 2020 - 2024 MY RAV4 HV [06/2020 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): UTILITY

  1. Connect the Techstream to the DLC3.
  2. Turn the ignition switch to ON and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the ignition switch off and wait for 2 minutes or more.
  5. Turn the ignition switch to ON (READY) and wait for 30 seconds or more.
  6. Turn the ignition switch off and wait for 2 minutes or more.
  7. Turn the ignition switch to ON (READY) and wait for 30 seconds or more.
  8. Turn the ignition switch off and wait for 2 minutes or more.
  9. Turn the ignition switch to ON and turn the Techstream on.
  10. Enter the following menus: Powertrain / Hybrid Control / Utility / All Readiness.
  11. Check the DTC judgment result.

    HINT:

    • If the judgment result shows NORMAL, the system is normal.
    • If the judgment result shows ABNORMAL, the system has a malfunction.
    • If the judgment result shows INCOMPLETE, perform driving pattern again.

PROCEDURE

1.

REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY

Click here 2020 MY RAV4 HV [10/2019 - 08/2020]; HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: REMOVAL 2021 MY RAV4 HV [08/2020 - 12/2021]; HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: REMOVAL 2022 MY RAV4 HV [12/2021 - 10/2022]; HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: REMOVAL 2023 MY RAV4 HV [10/2022 - 10/2023]; HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: REMOVAL 2024 MY RAV4 HV [10/2023 -        ]; HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: REMOVAL

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