The clutch switch is used for the Hill start Assist Control function.
If the wrong reverse gear signal has been set for a certain period of time, a failure is recognized.
[A/T] HECU receives reverse gear switch signal from TCM via C-CAN.
[M/T] Cluster receives back up lamp signal from IPS(Intelligent Power Switch System) via B-CAN and sends it to HECU via C-CAN.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Reverse gear signal monitoring | 1. Open or short Gear R switch (Transaxle range switch) [A/T] 2. Faulty Gear R switch (Transaxle range switch) [A/T] 3. Open or short Back-up lamp switch [M/T] 4. Faulty Back-up lamp switch [M/T] 5. Intelligent power switch B-CAN line error [M/T] |
Monitoring Period |
•
Continuous | |
Enable Conditions |
•
When Vref > 60kph(37mile) and reverse gear switch state is active for 1minute.
•
During backward driving, reverse gear switch state is inactive for 1minute.
•
If the reverse gear switch state changed more than 40 times for 5sec. | |
Fail-Safe |
•
Inhibit the DBC control and allow the ABS/EBD/ESP control.
•
The DBC warning lamp is activated. |
