DTC P0ADB-227: Hybrid Battery Positive Contactor Control Circuit Low [02/2014 - 11/2016]: Procedure

1. Disconnect the F15 power management control ECU connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Rear view of wire harness connector (to Power Management Control ECU)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F15-4 (SMRB) - Body ground	Power switch off	25.0 to 59.0 Ω

3. Reconnect the F15 power management control ECU connector.

   Result

   Proceed to
   OK
   NG

Result:  1

OK 

REPLACE POWER MANAGEMENT CONTROL ECU. Refer to  COMPONENTS [02/2014 - 11/2016] 

Result:  2

NG 

See step  2

1. 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 service information because this may cause a malfunction.

2. Remove the upper hybrid vehicle battery cover sub-assembly.

   Refer to PROCEDURE - Step 32

3. Disconnect the x3 hybrid battery junction block assembly connector.
4. Disconnect the F15 power management control ECU connector.
5. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F15-4 (SMRB) or x3-4 (SMRB) - Body ground and other terminals	Power switch off	10 kΩ or higher

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Rear view of wire harness connector (to Power Management Control ECU)
   *b	Rear view of wire harness connector (to Hybrid Battery Junction Block Assembly)

6. Reconnect the F15 power management control ECU connector.
7. Reconnect the x3 hybrid battery junction block assembly connector.
8. Install the upper hybrid vehicle battery cover sub-assembly.

   Result

   Proceed to
   OK
   NG

Result:  1

OK 

REPLACE HV BATTERY JUNCTION BLOCK ASSEMBLY. Refer to  COMPONENTS [02/2014 - ] 

Result:  2

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR