| C1251/51 |
Either of the following 1. or 2. is detected:
- After turning the ignition switch ON, the current of more than 28A flows to the motor for more than 1 sec.
- After turning the ignition switch ON, less than 7A change in current is detected more than 3 times in a low when the motor is ON.
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Hydraulic brake booster pump motor |
| C1252/52 |
After the ignition switch has been turned ON, when the power is supplied to the pump motor for more than 5 minutes. |
- Hydraulic brake booster pump motor
- Hydraulic brake booster pump motor circuit
- Pressure switch (PH or PL)
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| C1253/53 |
When any of the following 1. through 4. is detected:
- After turning the ignition switch ON, open in the relay coil is detected for more than 1 sec.
- When the pressure switch does not control motor driving, the status that the motor relay is always ON continues for more than 1 sec. due to short circuit.
- When the pressure switch (PH) detects the low pressure or while the pump motor operates to increase the pressure, the status that the motor relay does not turn ON continues for more than 0.2 sec.
- When pressure switch does not control motor driving, the status that the motor relay is always ON due to the welded contact continues for more than 2 sec.
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- ABS or TRAC motor relay
- ABS or TRAC motor relay circuit
- Hydraulic brake booster pump motor circuit
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