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
PROCEDURE
CHECK ENGINE CONTROL SYSTEM
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 | 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)