DESCRIPTION
If air bleeding has not been performed, the skid control ECU (brake booster with master cylinder assembly) stores DTC C1451 to prevent the entry of air due to pump motor operation.
DTC C1451 is stored when Motor Invalid is selected, the system will not return to normal until the air bleeding procedure is performed.
DTC No. | Detection Item | INF Code | DTC Detection Condition | Trouble Area | MIL | Note |
---|---|---|---|---|---|---|
C1451 | Motor Drive Permission Malfunction | 1152 | Either of the following is detected:
| Air bleeding not performed | Only DTC C1451 (INF code 1152) is stored: Does not come on SAE Code C1451 is stored: Comes on |
HINT:
|
MONITOR DESCRIPTION
Furthermore, this DTC is not cleared until air bleeding has been completed.
Furthermore, this DTC is not cleared until air bleeding has been completed.
HINT:
MONITOR STRATEGY
HINT:
SAE code only.
C1451 Related DTCs | C1451: High pressure hydraulic tube air bleeding not complete |
Required Sensors/Components(Main) | High pressure hydraulic tube |
Required Sensors/Components(Related) | Speed sensor |
Frequency of Operation | Continuous |
Duration | - |
MIL Operation | Immediately |
Sequence of Operation | None |
TYPICAL ENABLING CONDITIONS
HINT:
SAE code only.
C1451 Monitor runs whenever the following DTCs are not stored | None |
Vehicle speed | 40 km/h (25 mph) or more |
TYPICAL MALFUNCTION THRESHOLDS
HINT:
SAE code only.
C1451 High pressure hydraulic tube air bleeding | Not complete |
COMPONENT OPERATING RANGE
HINT:
SAE code only.
C1451 High pressure hydraulic tube air bleeding | Complete |
CONFIRMATION DRIVING PATTERN
HINT:
Click here
HINT:
PROCEDURE
1. | PERFORM AIR BLEEDING |
(a) Bleed the air from the brake system.
Click here
HINT:
If air bleeding has been performed, this DTC will be cleared.
|
2. | RECONFIRM DTC |
(a) Check if the same DTC is output.
Click here
Chassis > ABS/VSC/TRAC > Trouble Codes Result | Proceed to |
---|---|
DTC C1451 is output. | A |
DTC C1451 is not output. | B |
A | PERFORM AIR BLEEDING AGAIN |
B | END |