DTC Information: DTC Detecting Condition
DTC DETECTING CONDITIONS AND POSSIBLE CAUSES
| Item |
Detecting Condition |
Possible cause |
| DTC Strategy |
|
- Open or short in the brake lamp relay(HAC relay) circuit
- Faulty brake lamp relay(HAC relay)
|
| Monitoring Period |
- When HAC brake lamp relay drive OFF
- If the monitor of HAC Brake Lamp Drive is ON for 500ms, The failure is recognized
- If the monitor of HAC Brake Lamp Relay is different from BLS signal for 3sec. he failure is recognized
- When HAC brake lamp relay drive ON
- If the monitor of HAC Brake Lamp Drive is OFF for 500ms, The failure is recognized
- If the monitor of HAC Brake Lamp Relay is OFF for 500ms, The failure is recognized
|
| Fail Safe |
- Inhibit the HAC control and allow the ABS/EBD/ESP control
|