Engine Control System Malfunction (C1201/51)
If a malfunction in the engine control system is detected, 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 cancelled and the DTC is not stored.
DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
C1201/51 |
Engine control system malfunction signal continues for 5 seconds. |
Engine control system |
CHECK ENGINE CONTROL SYSTEM
(a) Check if the engine control system DTC is output (See page .gif)
for 2GR-FE, or for 1AR-FE).
Result | Proceed to |
|---|---|
DTC is not output (for 2GR-FE) |
A |
DTC is not output (for 1AR-FE) |
B |
DTC is output (for 2GR-FE) |
C |
DTC is output (for 1AR-FE) |
D |
| A | .gif) | REPLACE ECM (for 2GR-FE) |
| B | | REPLACE ECM (for 1AR-FE) |
| C | | INSPECT ENGINE CONTROL SYSTEM (for 2GR-FE) |
| D | | INSPECT ENGINE CONTROL SYSTEM (for 1AR-FE) |
Test yourself
A quick Toyota Venza quiz: every answer comes with an explanation and a link to the manual page.