DESCRIPTION
INSPECTION PROCEDURE
CHECK ENGINE TYPE
CHECK DTC (FOR ENGINE CONTROL SYSTEM)
CHECK DTC (FOR ENGINE CONTROL SYSTEM)
CHECK DTC (FOR ENGINE CONTROL SYSTEM)
DTC C1203 ECM Communication Circuit Malfunction
DESCRIPTION
The circuit is used to send control information from the skid control ECU (master cylinder solenoid) to the ECM, and engine control information from the ECM to the skid control ECU (master cylinder solenoid) via the CAN communication system.
| DTC Code | DTC Detection Condition | Trouble Area |
| C1203 | The engine/drivetrain specification and/or destination information from the ECM does not match the skid control ECU data. | ECM |
INSPECTION PROCEDURE
Check the engine type.
Result| Result | Proceed to |
| 1VD-FTV | A |
| 1UR-FE | B |
| 3UR-FE | C |
| 2.CHECK DTC (FOR ENGINE CONTROL SYSTEM) |
Check if the engine control system DTC is output (w/o DPF: , w/ DPF: ).
Result| Result | Proceed to |
| DTC is output | A |
| DTC is not output (w/o DPF) | B |
| DTC is not output (w/ DPF) | C |
| | GO TO ENGINE CONTROL SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) ()
|
|
|
| | GO TO ENGINE CONTROL SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) ()
|
|
|
| 3.CHECK DTC (FOR ENGINE CONTROL SYSTEM) |
Check if the engine control system DTC is output ().
Result| Result | Proceed to |
| DTC is output | A |
| DTC is not output | B |
| | GO TO ENGINE CONTROL SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) ()
|
|
|
| 4.CHECK DTC (FOR ENGINE CONTROL SYSTEM) |
Check if the engine control system DTC is output ().
Result| Result | Proceed to |
| DTC is output | A |
| DTC is not output | B |
| | GO TO ENGINE CONTROL SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) ()
|
|
|