DTC C1B14: Stroke Sensor Circuit; DTC C1B24: Stroke Sensor(Actuator Angle Indeterminate) [12/2017 - 10/2023]: Procedure

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [12/2017 - 10/2023]

   Chassis > DRS > Trouble Codes 

   Result

   Result	Proceed to
   DTC C1B14 or C1B24 is output as a past DTC	A
   DTC C1B14 or C1B24 is output as a current DTC	B

Result: 

B 

See step  4

Result: 

A 

See step  2

1. Perform actuator forced activation.

   Refer to ON-VEHICLE INSPECTION [12/2017 - 10/2023] 

   Chassis > DRS > Utility 

   Tester Display
   Activate Rear Steering Motor

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  3

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [12/2017 - 10/2023]

   Chassis > DRS > Trouble Codes 

   Result

   Result	Proceed to
   DTC C1B14 or C1B24 is output as a current DTC	A
   DTC C1B14 or C1B24 is output as a past DTC	B

Result: 

B 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2017 - 09/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 10/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2020 - 11/2021]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 10/2022]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - 10/2023] 

Result: 

A 

See step  4

1. Turn the engine switch off.
2. Disconnect the z20 rear steering link assembly connector from the DRS ECU (rear steering control ECU).
3. Measure the resistance according to the value(s) in the table below.
   STANDARD RESISTANCE
   
   

   Tester Connection	Condition	Specified Condition
   z20-4 (ARV) - z20-5 (ARG)	Always	5 to 50 Ω
   z20-12 (AS1) - z20-5 (ARG)	Always	4 to 5 kΩ
   z20-13 (AS2) - z20-5 (ARG)	Always	12 to 14.5 kΩ
   z20-4 (ARV) - z20-12 (AS1)	Always	4 to 5 kΩ
   z20-4 (ARV) - z20-13 (AS2)	Always	12 to 14.5 kΩ
   z20-12 (AS1) - z20-13 (AS2)	Always	16 to 19 kΩ
   z20-4 (ARV) - Body ground	Always	100 kΩ or higher
   z20-5 (ARG) - Body ground	Always	100 kΩ or higher
   z20-12 (AS1) - Body ground	Always	100 kΩ or higher
   z20-13 (AS2) - Body ground	Always	100 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE DRS ECU (REAR STEERING CONTROL ECU). Refer to  REMOVAL [12/2017 - 09/2018]  , or refer to  REMOVAL [09/2018 - 10/2020]  , or refer to  REMOVAL [10/2020 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023] 

Result: 

NG 

REPLACE REAR STEERING LINK ASSEMBLY. Refer to  REMOVAL [12/2017 - 09/2018]  , or refer to  REMOVAL [09/2018 - 10/2020]  , or refer to  REMOVAL [10/2020 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023]