DTC C050C-12: Left Rear Wheel Speed Sensor Circuit Short to Battery [10/2022 - ]: Procedure

1. Check the vehicle specification.

   Result

   Result	Proceed to
   for 2WD	A
   for AWD	B

Result: 

B 

See step  3

Result: 

A 

See step  2

• Make sure that there is no looseness at the locking part and the connecting part of the connectors.

  OK

  The connector is securely connected.

Pre-procedure1

• Disconnect the h4 rear skid control sensor LH connector.

• Check both the connector case and the terminals for deformation and corrosion.

  OK

  No deformation or corrosion.

Pre-procedure2

• Turn the ignition switch to ON.

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

  Standard Voltage

  Tester Connection	Condition	Specified Condition	Result
  h4-2 (WSS+) - h4-1 (WSS-)	Ignition switch ON	11 to 14 V	V

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None

Result: 

OK 

REPLACE REAR AXLE HUB AND BEARING ASSEMBLY LH. Refer to  REMOVAL [10/2022 - 08/2023]  , or refer to  REMOVAL [08/2023 - ] 

Result: 

NG 

See step  4

• Make sure that there is no looseness at the locking part and the connecting part of the connectors.

  OK

  The connector is securely connected.

Pre-procedure1

• Disconnect the h4 rear skid control sensor LH connector.

• Check both the connector case and the terminals for deformation and corrosion.

  OK

  No deformation or corrosion.

Pre-procedure2

• Turn the ignition switch to ON.

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

  Standard Voltage

  Tester Connection	Condition	Specified Condition	Result
  h4-1 (WSS+) - h4-2 (WSS-)	Ignition switch ON	11 to 14 V	V

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None

Result: 

OK 

REPLACE REAR SKID CONTROL SENSOR LH. Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

See step  4

Pre-procedure1

• Turn the ignition switch off.

• Make sure that there is no looseness at the locking part and the connecting part of the connectors.

  OK

  The connector is securely connected.

Pre-procedure2

• Disconnect the hH2 rear skid control sensor wire LH (No. 2 parking brake wire assembly) connector.

• Check both the connector case and the terminals for deformation and corrosion.

  OK

  No deformation or corrosion.

Pre-procedure3

• Turn the ignition switch to ON.

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

  Standard Voltage

  Tester Connection	Condition	Specified Condition	Result
  hH2-4 (RL+) - hH2-3 (RL-)	Ignition switch ON	11 to 14 V	V

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None

Result: 

OK 

REPLACE NO. 2 PARKING BRAKE WIRE ASSEMBLY 

Result: 

NG 

See step  5

Pre-procedure1

• Turn the ignition switch off.

• Make sure that there is no looseness at the locking part and the connecting part of the connectors.

  OK

  The connector is securely connected.

Pre-procedure2

• Disconnect the A31 skid control ECU (brake actuator assembly) connector.

• Check both the connector case and the terminals for deformation and corrosion.

  OK

  No deformation or corrosion.

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

  Standard Voltage

  Tester Connection	Condition	Specified Condition	Result
  hH2-3 (RL-) - Body ground	Always	Below 1.5 V	V

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  6

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition	Result
   hH2-4 (RL+) or A31-5 (RL+) - hH2-3 (RL-) or A31-4 (RL-)	Always	10 kΩ or higher	kΩ

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE BRAKE ACTUATOR ASSEMBLY. Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR