C1201

BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: C1201/51: Engine Control System Malfunction
C1201/51 - Engine Control System Malfunction

DESCRIPTION

If a malfunction in the engine control system is detected through the CAN, the operations of VSC and TRAC are prohibited by the fail-safe function.





INSPECTION PROCEDURE

NOTICE:
When replacing the VSC actuator assembly, perform zero point calibration Programming and Relearning.

PROCEDURE

1. CHECK DTC (FOR SFI SYSTEM)

(a) for 1GR-FE:

Clear the DTC (SFI system) Reading and Clearing Diagnostic Trouble Codes.

for 1UR-FE:

Clear the DTC (SFI system) Reading and Clearing Diagnostic Trouble Codes.

for 3UR-FE:

Clear the DTC (SFI system) Reading and Clearing Diagnostic Trouble Codes.

for 3UR-FBE:

Clear the DTC (SFI system) Reading and Clearing Diagnostic Trouble Codes.

(b) for 1GR-FE:

Check the DTC (SFI system) Reading and Clearing Diagnostic Trouble Codes.

for 1UR-FE:

Check the DTC (SFI system) Reading and Clearing Diagnostic Trouble Codes.

for 3UR-FE:

Check the DTC (SFI system) Reading and Clearing Diagnostic Trouble Codes.

for 3UR-FBE:

Check the DTC (SFI system) Reading and Clearing Diagnostic Trouble Codes.

Result





B -- GO TO SFI SYSTEM SFI System

C -- GO TO SFI SYSTEM SFI System

D -- GO TO SFI SYSTEM SFI System

E -- GO TO SFI SYSTEM SFI System

A -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting