C1201

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: 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.





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 2UZ-FE:
Clear the DTC (SFI system) DTC Check / Clear.
for 3UR-FE:
Clear the DTC (SFI system) DTC Check / Clear.
for 3UR-FBE:
Clear the DTC (SFI system) DTC Check / Clear.
(b) for 2UZ-FE:
Check the DTC (SFI system) DTC Check / Clear.
for 3UR-FE:
Check the DTC (SFI system) DTC Check / Clear.
for 3UR-FBE:
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 -- CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION)