Component Function Check

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM-ENGINE CONTROL SYSTEM- ".

1. CHECK ASCD BRAKE SWITCH FUNCTION

   With CONSULT-III 

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

      Monitor item	Condition		Indication
      BRAKE SW1	Brake pedal	Slightly depressed	OFF
      		Fully released	ON

   Without CONSULT-III 

   1. Turn ignition switch ON.
   2. Check the voltage between ECM harness connectors.
      VOLTAGE REFERENCE CHART
      
      

      ECM			Condition		Voltage
      Connector	+	-
      	Terminal	Terminal
      E10	110 (ASCD brake switch signal)	112	Brake pedal	Slightly depressed	Approx. 0 V
      				Fully released	Battery voltage

      Fig 1: Checking Voltage Between ECM Harness Connectors

      Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES >> INSPECTION END

      NO >> Go to "DIAGNOSIS PROCEDURE ".