DTC C2374: HSV2 Error: DTC Detecting Condition
DTC DETECTING CONDITION CHART
| Item |
Detecting Condition |
Possible cause |
| DTC Strategy |
|
|
| Case 1 |
Monitoring Period |
- Once after ignition on at standstill if the BLS is off
- At vehicle speed ≥ 15 km/h (9.3 mph) if the BLS is on.
|
| Enable Conditions |
- The test actuates all valves in series to detect shorts or shunts between the valve lines. Faults are detected if there is an error during the test.
|
| Case 2 |
Monitoring Period |
- The drift test executes only once during an ignition Cycle. The test is triggered if the following conditions are fulfilled: 10 min after power up or end of control
- No BLS is applied
- Brake pressure is < 10 bar
- Vehicle speed >15 km/h (9.3 mph)
- Vehicle acceleration > 0.5 m/s2
- Supply voltage > 11 volts.
|
| Enable Conditions |
- The drift test is executed only once during an ignition Cycle. If it detects partly shorted valve coils, almost inoperative coils or malfunction of the valve driver, a failure is recognized.
|
| Fail Safe |
- Valve cannot be actuated or valve is incorrectly actuated. This may result in locked wheels or wheels without pressure.
- ABS/EBD/ESC function is prohibited.
- ABS/EBD/ESC warning lamp is turned ON.
|