Engine Control System Malfunction

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

DTC 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. When the signals from the engine are input normally, the fail-safe is canceled and the DTC is stored.





INSPECTION PROCEDURE

NOTE: 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) (DTC Check / Clear).
for 2UZ-FE:
Clear the DTC (SFI system) (DTC Check / Clear).
for 3UR-FE:
Clear the DTC (SFI system) (DTC Check / Clear).
(b) for 1GR-FE:
Check the DTC (SFI system) (DTC Check / Clear).
for 2UZ-FE:
Check the DTC (SFI system) (DTC Check / Clear).
for 3UR-FE:
Check the DTC (SFI system) (DTC Check / Clear).

Result





D -- GO TO SFI SYSTEM
C -- GO TO SFI SYSTEM
B -- GO TO SFI SYSTEM
A -- USE SIMULATION METHOD TO CHECK