DTC C2112 Valve Relay Error: DTC Detecting Condition
DETECTING CONDITION AND POSSIBLE CAUSE REFERENCE
| Item |
Detecting Condition |
Possible cause |
| DTC Strategy |
- Battery Voltage Monitoring
|
- Open or short of power supply circuit (ABS1)
- Faulty HECU
|
| Case1 (Open) |
Detect Mode |
- Initial Check
- Outside the ABS control cycle
- Inside the ABS control cycle
- Diagnosis mode
|
| Enable Conditions |
- If the valve relay is switched on and the reference voltage of valve relay < 5 ± 0.5 V continuously for 56 ms, the failure is detected.
|
| Case2 (Short or Leakage) |
Detect Mode |
- Initial Check
- Failure mode
|
| Enable Conditions |
- If the valve relay is switched off and Vvr > 6 ± 0.5 V or Vvr < 2.5 ± 0.5 V continuously for 56 ms, the failure is detected.
|
| Fail Safe |
- System down. The ABS/EBD functions are inhibited.
- The valve relay and all solenoids are prevented from being switched on.
- The ABS/EBD warning lamps are activated.
|