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ASCD Brake Switch

ASCD BRAKE SWITCH

Component Description




When the brake pedal is depressed, ASCD brake switch (2) is turned OFF and stop lamp switch (1) is turned ON. ECM detects the state of the brake pedal by this input of two kinds (ON/OFF signal).
Refer to EC-37 for the ASCD function. Automatic Speed Control Device (ASCD)

CONSULT-III Reference Value in Data Monitor Mode






Wiring Diagram

EC-ASCBOF-01:









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

Diagnosis Procedure

Step 1-2:




Step 2 (Continued)-5:




Step 5 (Continued)-10:




Step 10 (Continued)-13:






Component Inspection

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




3. Check harness continuity between ASCD brake switch terminals 1 and 2 under the following conditions.
4. If NG, adjust ASCD brake switch installation, refer to BR-6, Adjustments and perform step 3 again.

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




3. Check harness continuity between stop lamp switch terminals 1 and 2 under the following conditions.
4. If NG, adjust stop lamp switch installation, refer to BR-6, Adjustments and perform step 3 again.