Brake-lights switch
| Brake-lights switch |
Current is supplied to the control module on pin 14 via the brake-lights switch when the brake pedal is depressed.
Information on the status of the brake-lights switch (ON/OFF) is used by the control module as follows:
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If the brake pedal is released and then depressed while the ABS is active, the control module will start from the beginning of the control cycle again.
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Brake-light switch ON is one of 4 criteria on which the control module determines whether or not to activate the EDB function.
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The pump motor test is normally conducted at 6 km/h (3.7 mph) but with brake light switch ON, the test will be conducted at 15 km/h (9.3 mph).
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If the brake pedal is depressed while the TCS function is active (brake light ON), the TC/ABS control module will disengage the TCS function for brake application and select the brake function. All other TCS functions will remain in operation.
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Diagnostics
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 set.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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