Nissan Maxima Service and Repair Manual: Battery saver output/power supply circuit

Description

Provides the interior room lamp power supply. Also cuts the power supply when the interior room lamp battery saver is activated.

Component Function Check

1.CHECK BATTERY SAVER OUTPUT/POWER SUPPLY FUNCTION

CONSULT

  1. Turn ignition switch ON.
  2. Turn each interior room lamp ON.
  • Front room/map lamp assembly
  • Personal lamps rear
  • Foot lamps
  • Front step lamps
  • Rear step lamps
  • Trunk room lamp
  • Vanity mirror lamps
  1. Select "BATTERY SAVER" of BCM (BATTERY SAVER) active test item.
  2. While operating the test item, check that each interior room lamp turns ON/OFF.

OFF : Interior room lamp OFF
ON : Interior room lamp ON

Diagnosis Procedure

1.CHECK BATTERY SAVER OUTPUT/POWER SUPPLY OUTPUT

CONSULT

Nissan Maxima. CHECK BATTERY SAVER OUTPUT/POWER SUPPLY OUTPUT

  1. Turn ignition switch ON.
  2. Select "BATTERY SAVER" of BCM (BATTERY SAVER) active test item.
  3. While operating the test item, check voltage between BCM connector M17 terminal 4 and ground.

Nissan Maxima. CHECK BATTERY SAVER OUTPUT/POWER SUPPLY OUTPUT

2.CHECK BATTERY SAVER OUTPUT/POWER SUPPLY OPEN CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect the following connectors.
  • BCM M17
  • Front room/map lamp assembly
  • Vanity mirror lamp LH
  • Vanity mirror lamp RH
  • Foot lamp LH
  • Foot lamp RH
  • Front step lamp LH
  • Front step lamp RH
  • Rear step lamp LH
  • Rear step lamp RH
  • Trunk room lamp
  1. Check continuity between BCM connector M17 terminal 4 and each interior room lamp connector.

Nissan Maxima. CHECK BATTERY SAVER OUTPUT/POWER SUPPLY OPEN CIRCUIT

3.CHECK BATTERY SAVER OUTPUT/POWER SUPPLY SHORT CIRCUIT

Nissan Maxima. CHECK BATTERY SAVER OUTPUT/POWER SUPPLY SHORT CIRCUIT

Check continuity between BCM connector M17 terminal 4 and ground.

Nissan Maxima. CHECK BATTERY SAVER OUTPUT/POWER SUPPLY SHORT CIRCUIT

    Power supply and ground circuit

    Interior room lamp control circuit