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ASCD Brake Switch

ASCD BRAKE SWITCH




Component Description
When the brake pedal is depressed, ASCD brake switch is turned OFF and stop lamp switch is turned ON. ECM detects the state of the brake pedal by this input of two kinds (ON/OFF signal).
Refer to ASCD function.




CONSULT-III Reference Value in Data Monitor Mode

EC-ASCBOF-01:







Wiring Diagram

Diagrams: Other diagrams referred to by name within these diagrams can be found at Diagrams By Diagram Name. Diagrams By Diagram Name

Step 1-2:




Step 2 (Continued)-5:




Step 6-10:




Step 10 (Continued)-13:




Diagnosis Procedure

Component Inspection

ASCD BRAKE SWITCH
1. Turn ignition switch OFF.
2. Disconnect ASCD brake switch harness connector.




3. Check continuity between ASCD brake switch terminals 1 and 2 under the following conditions.
If NG, adjust ASCD brake switch installation, refer to BR-5, Adjustments and perform step 3 again.

STOP LAMP SWITCH
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector.




3. Check continuity between stop lamp switch terminals 1 and 2 under the following conditions.
If NG, adjust stop lamp switch installation, refer to BR-5, Adjustments and perform step 3 again.