DTC B2297-19: Sub Battery System Output Power "D" Circuit Current Above Threshold [08/2023 - ]: Procedure

1. Check for DTCs.

   Body Electrical > Sub Battery System > Trouble Codes 

   Result

   Result	Proceed to
   B2297-19 is output	A
   B2297-19 is not output	B

Result: 

B 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - ] 

Result: 

A 

See step  2

Pre-procedure1

• Disconnect the cable from the negative (-) auxiliary battery terminal.
• Disconnect the H191 integrated capacitor (integration control supply) connector.

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

  Standard Resistance

  Tester Connection	Condition	Specified Condition	Result
  H191-12 (TRG2) - Body ground	Ignition switch off	10 kΩ or higher	kΩ

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None

Result: 

NG 

See step  8

Result: 

OK 

See step  3

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition	Result
   H191-20 (BUA2) - Body ground	Ignition switch off	10 kΩ or higher	kΩ

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE INTEGRATED CAPACITOR (INTEGRATION CONTROL SUPPLY). Refer to  REMOVAL [08/2023 - ] 

Result: 

NG 

See step  4

Pre-procedure1

• Disconnect the D34 front door lock with motor assembly LH connector.

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

  Standard Resistance

  Tester Connection	Condition	Specified Condition	Result
  H191-20 (BUA2) - Body ground	Ignition switch off	10 kΩ or higher	kΩ

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None

Result: 

OK 

REPLACE FRONT DOOR LOCK WITH MOTOR ASSEMBLY LH. Refer to  REMOVAL [08/2023 - ] 

Result: 

NG 

See step  5

Pre-procedure1

• Disconnect the D15 front door lock with motor assembly RH connector.

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

  Standard Resistance

  Tester Connection	Condition	Specified Condition	Result
  H191-20 (BUA2) - Body ground	Ignition switch off	10 kΩ or higher	kΩ

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None

Result: 

OK 

REPLACE FRONT DOOR LOCK WITH MOTOR ASSEMBLY RH. Refer to  REMOVAL [08/2023 - ] 

Result: 

NG 

See step  6

Pre-procedure1

• Disconnect the E16 rear door lock with motor assembly LH connector.

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

  Standard Resistance

  Tester Connection	Condition	Specified Condition	Result
  H191-20 (BUA2) - Body ground	Ignition switch off	10 kΩ or higher	kΩ

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None

Result: 

OK 

REPLACE REAR DOOR LOCK WITH MOTOR ASSEMBLY LH. Refer to  REMOVAL [08/2023 - ] 

Result: 

NG 

See step  7

Pre-procedure1

• Disconnect the E6 rear door lock with motor assembly RH connector.

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

  Standard Resistance

  Tester Connection	Condition	Specified Condition	Result
  H191-20 (BUA2) - Body ground	Ignition switch off	10 kΩ or higher	kΩ

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None

Result: 

OK 

REPLACE REAR DOOR LOCK WITH MOTOR ASSEMBLY RH. Refer to  REMOVAL [08/2023 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Pre-procedure1

• Disconnect the C44 main body ECU (multiplex network body ECU) connector.

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

  Standard Resistance

  Tester Connection	Condition	Specified Condition	Result
  H191-12 (TRG2) - Body ground	Ignition switch off	10 kΩ or higher	kΩ

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None

Result: 

OK 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [08/2023 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR