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
power switch is turned on (IG) and during the shutdown sequence when
the power switch is turned off. If any of the following condition is
detected, this DTC will be stored. If the following conditions are not
detected, DTC P321E9F will be stored.
- Inverter with converter assembly malfunction
DESCRIPTION Refer to the description for DTC P321E9F.
Click here  |
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
MIL | Warning Indicate | |
P33BF9F | Motor/Generator Shutdown Signal (MG Side) Stuck Off |
When
the HV gate block function check is performed (when the power 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 Light:
Comes on | Related Data List |
DTC No. | Data List | |
P33BF9F |
- Ready Signal
- Inverter Emergency Shutdown (Main CPU)
- Inverter Emergency Shutdown (Sub CPU)
| 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 Techstream to the DLC3.
- Turn the power switch on (IG) and turn the Techstream on.
- Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
- Turn the power switch off and wait for 2 minutes or more.
- Turn the power switch on (READY) and wait for 30 seconds or more.
- Turn the power switch off and wait for 2 minutes or more.
- Turn the power switch on (READY) and wait for 30 seconds or more.
- Turn the power switch off and wait for 2 minutes or more.
- Turn the power switch on (IG) and turn the Techstream 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 or N/A, perform driving pattern again.
PROCEDURE |
1. | REPLACE INVERTER WITH CONVERTER ASSEMBLY |
Click here
| NEXT |
 | END | |
