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

1. Turn the power switch off.
   Fig 1: Checking Harness And Connector (Hybrid Vehicle Control ECU-Inverter With Converter Assembly)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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.
5. Measure the resistance according to the value(s) in the table below.

   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 2: Identifying 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