DTC P3232-749: Open or Short to B+ in Blocking of HV Gate Connection: Procedure

1. Turn the power switch off.
2. Remove the service plug grip. Refer to PRECAUTION .
   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.

3. Disconnect connector A76 from the hybrid vehicle control ECU.
4. Disconnect the low voltage connector from the inverter with converter assembly.
   Fig 1: Checking Harness And Connector (Hybrid Vehicle Control ECU-Inverter With Converter Assembly)

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5. Measure the resistance according to the value(s) in the table below.
   Fig 2: Checking Harness And Connector (Hybrid Vehicle Control ECU-Inverter With Converter Assembly)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard resistance

   Tester Connection	Switch Condition	Specified Condition
   A76-25 (HSDN) or A77-25 (HSDN) - Body ground and other terminals	Power switch off	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Measure the resistance according to the value(s) in the table below.
   Fig 3: A77 Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard resistance

   Tester Connection	Switch Condition	Specified Condition
   A77-25 (HSDN) - A77-30 (GND1)	Power switch off	2.65 to 3.55 kΩ

NG → See step   4 

OK → See step   3