DTC C1256/56 Accumulator Low Pressure: Description
DTC DETECTION CONDITION CHART
| DTC No. |
DTC Detection Condition |
Trouble Area |
| C1256/56 |
One of the following conditions is met:
- With vehicle running, when pressure switch (PL) detects high pressure, although ABS, TRAC or VSC does not operate, pressure switch (PL) detects low pressure for more than 1.4 sec.
- With vehicle running, when pressure switch (PL) detects high pressure, although ABS, TRAC or VSC operates, pressure switch (PL) detects low pressure for more than 0.2 sec.
- After ignition switch is turned ON, pressure switch (PL) detects low pressure for more than 60 sec.
- With vehicle running, after ignition switch has been ON, pressure switch (PL) detects low pressure for more than 0.2 sec. although ABS, TRAC, or VSC does not operate and when pressure switch is ON and stuck under high pressure
- With vehicle running, after ignition switch is ON, pressure switch (PL) is stuck under low pressure although ABS, TRAC or VSC does not operate for more than 1.4 sec.
- With vehicle running, after ignition switch is ON, pressure switch (PL) is stuck under low pressure when ABS, TRAC or VSC operates for more than 0.2 sec.
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- Brake booster accumulator
- Pressure switch (PH or PL)
- Brake actuator (Brake booster pump motor)
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