Component Function Check

1. Turn ignition switch ON.
2. Select "BRAKE SW1" in "DATA MONITOR" mode with CONSULT.
3. Check "BRAKE SW1" indication under the following conditions.

   Monitor item	Condition		Indication
   BRAKE SW1 (ASCD brake switch)	Brake pedal	Slightly depressed	OFF
   		Fully released	ON

WITHOUT CONSULT

1. Turn ignition switch ON.
2. Check the voltage between ECM harness connector terminals as per the following.

   ECM			Condition		Voltage (V)
   Connector	+	-
   	Terminal	Terminal
   E20	140 (ASCD brake switch signal)	152	Brake pedal	Slightly depressed	Approx. 0
   				Fully released	Battery voltage

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Go to Refer to Diagnosis Procedure .