DTC    C1201    Engine Control System Malfunction

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DESCRIPTION

If a malfunction in the engine control system is detected, VSC and TRC operations are prohibited by the fail-safe function. When the signals from the engine are input normally, the fail-safe is cancelled and the DTC is not stored.

DTC Code
DTC Detection Condition
Trouble Area
C1201
Engine control system malfunction signal continues for 1 second or more.
Engine control system

INSPECTION PROCEDURE

1.CHECK ENGINE CONTROL SYSTEM

  1. Check if any engine control system DTC is output (Click here for 1KR-FE, Click here for 1NR-FE or Click here for 1ND-TV).
    Result 
    Result
    		Proceed to
    DTC not output
    		A
    DTC output (for 1KR-FE)
    		B
    DTC output (for 1NR-FE)
    		C
    DTC output (for 1ND-TV)
    		D



B
CHECK ENGINE CONTROL SYSTEM (Click here)

C
CHECK ENGINE CONTROL SYSTEM (Click here)

D
CHECK ENGINE CONTROL SYSTEM (Click here)
A

CHECK FOR INTERMITTENT PROBLEMS (ENGINE CONTROL SYSTEM)