DTC P3232-749: Short to GND in Blocking of HV Gate Connection: Procedure

CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - INVERTER WITH CONVERTER)

WARNING:

Be sure to wear insulated gloves.

Check that the service plug grip is not installed.
NOTE:
After removing the service plug grip, do not turn the power switch on (READY), unless instructed by the repair information because this may cause a malfunction.
Disconnect connector A59 from the inverter with converter assembly.
Disconnect connector A22 from the power management control ECU.

Measure the resistance according to the value(s) in the table below.

Fig 1: Checking Harness And Connector (Power Management Control ECU - Inverter With Converter)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard Resistance

Tester Connection	Switch Condition	Specified Condition
A22-31 (HSDN) or A59-31 (HSDN) - Body ground and other terminals	Power switch off	10 kΩ or higher

TEXT IN ILLUSTRATION

*a	Front view of wire harness connector (to Inverter with Converter Assembly)
*b	Rear view of wire harness connector (to Power Management Control ECU)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

CHECK INVERTER WITH CONVERTER ASSEMBLY

WARNING:

Be sure to wear insulated gloves.

Check that the service plug grip is not installed.
NOTE:
After removing the service plug grip, do not turn the power switch on (READY), unless instructed by the repair information because this may cause a malfunction.
Disconnect connector A59 from the inverter with converter assembly.

Measure the resistance according to the value(s) in the table below.

Fig 2: Checking Resistance Of Inverter With Converter Assembly

Standard Resistance

Tester Connection	Switch Condition	Specified Condition
A59-31 (HSDN) - A59-28 (GND1)	Power switch off	2.65 to 3.55 kΩ

TEXT IN ILLUSTRATION

*a	Component without harness connected (Inverter with Converter Assembly)

NG → See step 4

OK → See step 3