DESCRIPTION
If a malfunction is detected in the engine control system, the ECM sends a malfunction signal to the skid control ECU (master cylinder solenoid). The skid control ECU (master cylinder solenoid) stores this DTC and prohibits the following controls:
VSC
TRC
Crawl Control
Multi-terrain select control
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| C1201 | An engine control system malfunction signal continues for 1 second or more. | Engine control system |
INSPECTION PROCEDURE
PROCEDURE
CHECK ENGINE TYPE
Check the engine type.
| Result | Proceed to |
|---|---|
| 1UR-FE | A |
| 3UR-FE | B |
| B |
|
CHECK FOR DTC (ENGINE CONTROL SYSTEM) Click here |
| A |
|
CHECK FOR DTC (ENGINE CONTROL SYSTEM)
Check if any engine control system DTC is output Click here.
| Result | Proceed to |
|---|---|
| DTC is not output | A |
| DTC is output | B |
| B |
|
GO TO ENGINE CONTROL (DIAGNOSTIC TROUBLE CODE CHART) Click here |
| A |
|
CHECK FOR INTERMITTENT PROBLEMS Click here
CHECK FOR DTC (ENGINE CONTROL SYSTEM)
Check if any engine control system DTC is output Click here.
| Result | Proceed to |
|---|---|
| DTC is not output | A |
| DTC is output | B |
| B |
|
GO TO ENGINE CONTROL (DIAGNOSTIC TROUBLE CODE CHART) Click here |
| A |
|
CHECK FOR INTERMITTENT PROBLEMS Click here