DTC C1A41: Brake Request Value Mismatch between ENG / EHV and Driving Support ECU [09/2014 - 10/2015]: Procedure
- CHECK FOR DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)
- Clear the DTCs (See page. Refer to DTC CHECK / CLEAR [09/2014 - 10/2015] ).
- Check for DTCs (See page. Refer to DTC CHECK / CLEAR [09/2014 - 10/2015]
).
OK
Electronically controlled brake system DTC is not output.
Result: NG
NG
GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM
(See page. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - ] )
Result: OK
OK
See step 2
- CHECK FOR DTC (HYBRID CONTROL SYSTEM)
- Clear the DTCs (See page. Refer to DTC CHECK / CLEAR [09/2014 - 10/2015] ).
- Check for DTCs (See page. Refer to DTC CHECK / CLEAR [09/2014 - 10/2015]
).
OK
Hybrid control system DTC is not output.
Result: NG
NG
GO TO HYBRID CONTROL SYSTEM
(See page. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - ] )
Result: OK
OK
See step 3
- CHECK FOR DTC (PRE-COLLISION SYSTEM)
- Clear the DTCs (See page. Refer to DTC CHECK / CLEAR [09/2014 - 10/2015] ).
- Check for DTCs (See page. Refer to DTC CHECK / CLEAR [09/2014 - 10/2015]
).
OK
DTC C1A41 is not output.
Result: OK
OK
USE SIMULATION METHOD TO CHECK
(See page. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 10/2015] )
Result: NG
NG
See step 4
- REPLACE DRIVING SUPPORT ECU
- Replace the driving support ECU with a new one (See page. Refer to REMOVAL [09/2014 - 10/2015]
).NOTE:
When replacing the driving support ECU, always replace it with a new one and be sure to perform initialization (See page. Refer to INITIALIZATION [09/2014 - 10/2015] ). If an ECU which was installed to another vehicle is used, the information stored in the ECU will not match the information from the vehicle, and as a result, a DTC may be stored.
Result: NEXT
NEXT
See step 5
- Replace the driving support ECU with a new one (See page. Refer to REMOVAL [09/2014 - 10/2015]
).
- CHECK FOR DTC
- Clear the DTCs (See page. Refer to DTC CHECK / CLEAR [09/2014 - 10/2015] ).
- Check for DTCs (See page. Refer to DTC CHECK / CLEAR [09/2014 - 10/2015]
).
OK
DTC C1A41 is not output.
Result: OK
OK
END (DRIVING SUPPORT ECU IS DEFECTIVE)
Result: NG
NG
See step 6
- REPLACE SKID CONTROL ECU ASSEMBLY
- Replace the skid control ECU assembly with a new one (See page. Refer to REMOVAL [09/2014 - ] ).
Result: NEXT
NEXT
See step 7
- CHECK FOR DTC (PRE-COLLISION SYSTEM)
- Clear the DTCs (See page. Refer to DTC CHECK / CLEAR [09/2014 - 10/2015] ).
- Check for DTCs (See page. Refer to DTC CHECK / CLEAR [09/2014 - 10/2015]
).
OK
DTC C1A41 is not output.
Result: OK
OK
END (SKID CONTROL ECU ASSEMBLY IS DEFECTIVE)
Result: NG
NG
REPLACE POWER MANAGEMENT CONTROL ECU
(See page. Refer to REMOVAL [09/2014 - ] )