Your Vehicle: 2009 Nissan-Datsun Altima V6-3.5L (VQ35DE)
 
Vehicle » Body and Frame » Body Control Systems » Testing and Inspection » Component Tests and General Diagnostics » Combination Switch Input Circuit » Diagnosis Procedure  
 
 
  Diagnosis Procedure  
 

COMBINATION SWITCH INPUT CIRCUIT

Diagnosis Procedure

  1. CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN

  

  1. Turn the ignition switch OFF.
  2. Disconnect the BCM and combination switch.
  3. Check continuity between BCM harness connector and combination switch harness connector.

  

Does continuity exist?
YES >> GO TO 2
NO >> Repair or replace harness.

  1. CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT

  

Check for continuity between BCM harness connector and ground.

  

Does continuity exist?
YES >> Repair or replace harness.
NO >> GO TO 3

  1. CHECK BCM OUTPUT VOLTAGE

  

  1. Connect the BCM.
  2. Check voltage between BCM harness connector and ground.

  

Is the measurement normal?
YES >> GO TO 4
NO >> Replace BCM. Refer to See: Body Control Module\Service and Repair.

  1. CHECK BCM INPUT SIGNAL

  

  1. Connect the combination switch.
  2. Turn ON any switch in the system that is malfunctioning.
  3. Check voltage between BCM harness connector and ground.

  

Is the measurement normal when any of the switches is turned ON?
YES >> Replace BCM. Refer to See: Body Control Module\Service and Repair.
NO >> Replace the combination switch. Refer to See: Sensors and Switches\Sensors and Switches - Wiper and Washer Systems\Windshield Washer Switch\Service and Repair.