DTC C1A41: Brake Request Value Mismatch between ENG / EHV and Driving Support ECU [08/2014 - ]: Procedure

1. Check DTCs for the electronically controlled brake system (Refer to DTC Check / Clear [08/2014 - ] ).

   OK

   Electronically controlled brake system DTC is not output.

Result:  NG

NG 

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM 

(Refer to How To Proceed With Troubleshooting [08/2014 - ] )

Result:  OK

OK 

Refer to  2

1. Check DTCs for the hybrid control system (Refer to DTC Check / Clear [08/2014 - ] ).

   OK

   Hybrid control system DTC is not output.

Result:  NG

NG 

GO TO HYBRID CONTROL SYSTEM 

(Refer to How To Proceed With Troubleshooting [08/2014 - ] )

Result:  OK

OK 

Refer to  3

1. Replace the brake booster with master cylinder (skid control ECU) (Refer to Removal [08/2014 - ] ).

Result:  NEXT

NEXT 

Refer to  4

1. Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.
2. Clear the DTCs (Refer to DTC Check / Clear [08/2014 - ] ).
3. Check for DTCs.

   OK

   DTC C1A41 is not output.

Result:  OK

OK 

END 

Result:  NG

NG 

Refer to  5

1. Replace the power management control ECU (Refer to Removal [08/2014 - ] ).

Result:  NEXT

NEXT 

Refer to  6

1. Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.
2. Clear the DTCs (Refer to DTC Check / Clear [08/2014 - ] ).
3. Recheck for DTCs.

   OK

   DTC C1A41 is not output.

Result:  OK

OK 

END 

Result:  NG

NG 

REPLACE DRIVING SUPPORT ECU 

(Refer to Removal [08/2014 - ] )