DTC C1130-13: Unified Electric Parking Brake Actuator Control Circuit Open [11/2020 - ]: Procedure

Pre-procedure1

• Turn the ignition switch off.
• Disconnect the A6 No. 2 skid control ECU (brake actuator assembly) connector.
• Disconnect the G71 parking brake actuator assembly with bracket connector.

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

  Standard Resistance

  Tester Connection	Condition	Specified Condition	Result
  A6-3 (M+) - G71-8 (M+)	Always	Below 1 Ω	Ω
  A6-2 (M-) - G71-7 (M-)	Always	Below 1 Ω	Ω

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  2

Pre-procedure1

• Turn the ignition switch off.
• Disconnect the G71 parking brake actuator assembly with bracket connector.

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

  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

  *a	Component without harness connected (Parking Brake Actuator Assembly with Bracket)

  Standard Resistance

  Tester Connection	Condition	Specified Condition	Result
  G71-7(M-) - G71-8(M+)	Always	Below 4 Ω	Ω
  G71-7 (M-) - Body ground	Always	10 kΩ or higher	kΩ
  G71-8 (M+) - Body ground	Always	10 kΩ or higher	kΩ

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None

Result: 

OK 

REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [11/2020 - 11/2021]  , or refer to  REMOVAL [11/2021 - 12/2022]  , or refer to  REMOVAL [12/2022 - 12/2023]  , or refer to  REMOVAL [12/2023 - ] 

Result: 

NG 

REPLACE PARKING BRAKE ACTUATOR ASSEMBLY WITH BRACKET. Refer to  REMOVAL [11/2020 - 11/2021]  , or refer to  REMOVAL [11/2021 - 12/2022]  , or refer to  REMOVAL [12/2022 - 12/2023]  , or refer to  REMOVAL [12/2023 - ]