Toyota Corolla Cross: Motor/Generator Shutdown Signal (MG Side) Stuck Off (P33BF9F)
DTC SUMMARY
MALFUNCTION DESCRIPTION
The hybrid vehicle control ECU 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.
- Inverter with converter assembly malfunction
DESCRIPTION
Refer to the description for DTC P321E9F.
Click here .gif)
|
DTC No. | Detection Item |
DTC Detection Condition |
Trouble Area | MIL |
Warning Indicate | Note |
|---|---|---|---|---|---|---|
|
P33BF9F | Motor/Generator Shutdown Signal (MG Side) Stuck Off |
When the HV gate block function check is performed (when the ignition switch is turned from ON (READY) to off), the HSDN (MG shutdown) signal sent from the hybrid vehicle control ECU is received by the motor generator control ECU (MG ECU) but the inverter current and voltage (VH) do not decrease. (1 trip detection logic) |
Inverter with converter assembly |
Does not come on | Master Warning: Comes on | SAE Code: P33BF |
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
- Connect the GTS to the DLC3.
- Turn the ignition switch to ON and turn the GTS on.
- Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
- Turn the ignition switch off and wait for 2 minutes or more.
- Turn the ignition switch to ON (READY) and wait for 30 seconds or more.
- Turn the ignition switch off and wait for 2 minutes or more.
- Turn the ignition switch to ON (READY) and wait for 30 seconds or more.
- Turn the ignition switch off and wait for 2 minutes or more.
- Turn the ignition switch to ON and turn the GTS on.
- Enter the following menus: Powertrain / Hybrid Control / Utility / All Readiness.
- 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 INVERTER WITH CONVERTER ASSEMBLY |
Click here
| NEXT | .gif) | END |
READ NEXT:
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DESCRIPTION The hybrid vehicle control ECU transmits and receives signals via CAN communication to and from the battery ECU assembly.
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DESCRIPTION The hybrid vehicle control ECU transmits and receives signals via CAN communication to and from the DC/DC converter assembly.
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SEE MORE:
RCTA (Rear Cross Traffic Alert)
The RCTA function uses the
BSM rear side radar sensors
installed behind the rear
bumper. This function is
intended to assist the driver
in checking areas that are
not easily visible when
backing up.
WARNING
■Cautions regarding the use of
the system
The driver is solely responsible for
safe driving
Brake System (for Gasoline Model)
Precaution
PRECAUTION
NOTICE:
This vehicle is equipped with an SRS (Supplemental Restraint System).
Failure to carry out service operations in the correct sequence could cause
the SRS to unexpectedly deploy during servicing. This may cause a serious
accident. Before servicing (in
