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ASCD Brake Switch Circuit Check

ASCD Brake Switch Circuit Check

Component Description
When depress on the brake pedal, ASCD brake switch is turned OFF and stop lamp switch is turned ON. ECM detects the state of the brake pedal by this those two types of input (ON/OFF signal)






Refer to ASCD function.

Diagnosis Procedure

A/T MODELS

Step 1:




Step 2:




Step 3-6:






M/T MODELS

Step 1:




Step 2:




Step 3-4:




Step 5-9:






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 and perform step 3 again.

ASCD CLUTCH SWITCH
1. Turn ignition switch OFF.
2. Disconnect ASCD clutch switch harness connector.
3. Check continuity between ASCD clutch switch terminals 1 and 2 under the following conditions.






If NG, adjust ASCD clutch switch installation, refer to [Clutch Pedal: On-Vehicle Inspection and Adjustment], Clutch Pedal: On-Vehicle Inspection and Adjustment and perform step 3 again.
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