DTC C1311/11 Open in Main Relay 1 Circuit; DTC C1312/12 Short in Main Relay 1 Circuit; DTC C1313/13 Open in Main Relay 2 Circuit; DTC C1314/14 Short in Main Relay 2 Circuit: Description
The ABS main relay (skid control ECU interior circuit) remains ON for approximately 2 minutes after the engine switch is turned off and the input of brake operation signals stops, and supplies power to the system to keep it ready to operate.
DTC DETECTION CONDITION CHART
| DTC Code |
Information Code |
DTC Detection Condition |
Trouble Area |
| C1311/11 |
1 |
When either of the following is detected:
- Relay contact is off (BSO1 terminal is less than 3.5 V) for at least 0.2 sec. when +BI1 or +BI3 terminal voltage is 8.1 V or more and main relay 1 is on.
- +BI1 or +BI3 terminal voltage is less than 8.1 V and main relay 1 cannot be on for at least 0.2 seconds when main relay 1 is turned on (BSO1 terminal is 3.5 V or more).
|
- ABS main relay (ABS MAIN1) (Skid control ECU interior circuit)
- Wire harness
- Skid control ECU
|
| C1312/12 |
3 |
Relay contact is on (BSO1 terminal is 6.5 V or more) for at least 1 second when main relay 1 is off. |
- ABS main relay (ABS MAIN1) (Skid control ECU interior circuit)
- Wire harness
- Skid control ECU
|
| C1313/13 |
4 |
When any of the following is detected:
- Relay contact is off (BSO2 terminal is less than 3.5 V) for at least 0.2 sec. when +BI2 or +BI4 terminal voltage is 8.1 V or more and main relay 2 is on.
- +BI2 or +BI4 terminal voltage is less than 8.1V and main relay 2 cannot be on for at least 2 seconds when main relay 2 is turned on (BSO2 terminal is 3.5 V or more).
|
- ABS main relay (ABS MAIN2) (Skid control ECU interior circuit)
- Wire harness
- Skid control ECU
|
| C1314/14 |
6 |
Relay contact is on (BSO2 terminal is 6.5 V or more) for at least 1 sec. when main relay 2 is off. |
- ABS main relay (ABS MAIN2) (Skid control ECU interior circuit)
- Wire harness
- Skid control ECU
|