Your Vehicle: 2009 Nissan-Datsun Altima V6-3.5L (VQ35DE)
 
Vehicle » Lighting and Horns » Testing and Inspection » Component Tests and General Diagnostics » Step Lamp Circuit » Diagnosis Procedure  
 
 
  Diagnosis Procedure  
 

STEP LAMP CIRCUIT

Description

Controls the step lamp (ground side) to turn the step lamp ON and OFF.

STEP LAMP CIRCUIT

Diagnosis Procedure

1.CHECK STEP LAMP OUTPUT
CONSULT-III

  1. Turn ignition switch ON.
  2. Select "STEP LAMP TEST" of BCM (INT LAMP) active test item.

  

  1. While operating the test item, check voltage between BCM connector M17 terminal 7 and ground.

  

Is the Inspection result normal?
YES >> Step lamp circuit is operating normally.
Fixed ON>>GO TO 3
Fixed OFF>>GO TO 2
2.CHECK STEP LAMP OPEN CIRCUIT

  

  1. Turn ignition switch OFF.
  2. Disconnect BCM connector M17 and step lamp LH and RH connectors.
  3. Check continuity between BCM connector M17 (A) terminal 7 and step lamp connector (B) terminal 2.

  

Is the Inspection result normal?
YES >> Check the step lamps for an open. If OK, replace BCM. Refer to See: Body and Frame\Body Control Systems\Body Control Module\Service and Repair. If NG, replace the interior room lamp. Refer to See: Courtesy Lamp\Service and Repair.
NO >> Repair harness or connectors.
3.CHECK STEP LAMP SHORT CIRCUIT

  

  1. Turn ignition switch OFF.
  2. Disconnect BCM connector M17 and step lamp LH and RH connectors.
  3. Check continuity between BCM connector M17 terminal 7 and ground.

  

Is the Inspection result normal?
YES >> Check the step lamps for a short circuit. If OK, replace BCM. Refer to See: Body and Frame\Body Control Systems\Body Control Module\Service and Repair. If NG, replace the interior room lamp. Refer to See: Courtesy Lamp\Service and Repair.
NO >> Repair harness or connectors.