Nissan Maxima Service and Repair Manual: Step lamp circuit

Description

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

Component Function Check

CAUTION: Before performing the diagnosis, check that the following is normal.

• Battery saver output/power supply
• Step lamp bulbs

1.CHECK STEP LAMP OPERATION

CONSULT

1. Turn ignition switch ON.
2. Select "STEP LAMP TEST" of BCM (INT LAMP) active test item.
3. While operating the test item, check that step lamps turn ON/OFF.

ON : Step lamp ON
OFF : Step lamp OFF

Diagnosis Procedure

1.CHECK STEP LAMP OUTPUT

CONSULT

1. Turn ignition switch ON.
2. Select "STEP LAMP TEST" of BCM (INT LAMP) active test item.
3. While operating the test item, check voltage between BCM connector M17 terminal 7 and ground.

2.CHECK STEP LAMP OPEN CIRCUIT

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

3.CHECK STEP LAMP SHORT CIRCUIT

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