Brake-light switch
| Brake-light switch |
The control module is supplied with current on pin 14 via the brake light switch when the brake pedal is depressed.
The control module uses information on the status (ON/OFF) of the brake light switch for:
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If the brake pedal is released and depressed again during ABS operation, the control module will return to the starting position in the ABS control cycle and start a fresh cycle.
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Brake lights ON is one of 4 criteria for the control module to decide on active EDB control.
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The pump motor test normally takes place at 6 km/h. In the case of brake lights ON, the test takes place at 15 km/h.
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Diagnosis
The control module monitors the circuit by feeding a low current to pin 14, which is grounded via the brake-light lamps. If a break occurs in the circuit, DTC C2470 will be generated.This project is supported by memberships and donations. If you use this site, please consider Joining SCNA and/or making a donation.
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