Nissan Maxima Service and Repair Manual: Parking lamp circuit

Description

The IPDM E/R (intelligent power distribution module engine room) controls the tail lamp relay based on inputs from the BCM over the CAN communication lines. When the tail lamp relay is energized, power flows through fuses 46 and 47, located in the IPDM E/R. Power then flows to the front and rear combination lamps, license plate lamps.

Component Function Check

1.CHECK PARKING LAMP OPERATION

WITHOUT CONSULT

  1. Activate IPDM E/R auto active test. Refer to PCS-11, "Diagnosis Description".
  2. Check that the parking lamp is turned ON.

CONSULT

  1. Select "EXTERNAL LAMPS" of IPDM E/R active test item.
  2. While operating the test item, check that the parking lamp is turned ON.

TAIL : Parking lamp ON
OFF : Parking lamp OFF

Diagnosis Procedure

1.CHECK PARKING LAMP FUSES

  1. Turn the ignition switch OFF.
  2. Check that the following fuses are not open.

Nissan Maxima. CHECK PARKING LAMP FUSES

2.CHECK TAIL LAMP RELAY OUTPUT (VOLTAGE)

CONSULT

Nissan Maxima. CHECK TAIL LAMP RELAY OUTPUT (VOLTAGE)

Nissan Maxima. CHECK TAIL LAMP RELAY OUTPUT (VOLTAGE)

Nissan Maxima. CHECK TAIL LAMP RELAY OUTPUT (VOLTAGE)

  1. Turn the ignition switch OFF.
  2. Disconnect the front and rear combination lamp connectors.
  3. Turn the ignition switch ON.
  4. Select "EXTERNAL LAMPS" of IPDM E/R active test item.
  5. With EXTERNAL LAMPS ON, check the voltage between the front combination lamp connector and ground.
  6. With EXTERNAL LAMPS ON, check the voltage between the rear combination lamp connector and ground.
  7. With EXTERNAL LAMPS ON, check the voltage between the license plate lamp connector and ground.

Nissan Maxima. CHECK TAIL LAMP RELAY OUTPUT (VOLTAGE)

Nissan Maxima. CHECK TAIL LAMP RELAY OUTPUT (VOLTAGE)

Nissan Maxima. CHECK TAIL LAMP RELAY OUTPUT (VOLTAGE)

3.CHECK PARKING LAMP CIRCUIT (OPEN)

Nissan Maxima. CHECK PARKING LAMP CIRCUIT (OPEN)

Nissan Maxima. CHECK PARKING LAMP CIRCUIT (OPEN)

Nissan Maxima. CHECK PARKING LAMP CIRCUIT (OPEN)

  1. Turn the ignition switch OFF.
  2. Disconnect IPDM E/R connector E201.
  3. Check continuity between the IPDM E/R harness connector (A) and the front combination lamp harness connector (B).
  4. Check continuity between the IPDM E/R harness connector (A) and the rear combination lamp harness connector (B).
  5. Check continuity between the IPDM E/R harness connector (A) and the license plate lamp harness connector (B).

Nissan Maxima. CHECK PARKING LAMP CIRCUIT (OPEN)

Nissan Maxima. CHECK PARKING LAMP CIRCUIT (OPEN)

Nissan Maxima. CHECK PARKING LAMP CIRCUIT (OPEN)

4.CHECK PARKING LAMP GROUND CIRCUIT

Nissan Maxima. CHECK PARKING LAMP GROUND CIRCUIT

Nissan Maxima. CHECK PARKING LAMP GROUND CIRCUIT

Nissan Maxima. CHECK PARKING LAMP GROUND CIRCUIT

  1. Check continuity between the front combination lamp harness connector terminal and ground.
  2. Check continuity between the rear combination lamp harness connector terminal and ground.
  3. Check continuity between the license plate lamp harness connector terminal and ground.

Nissan Maxima. CHECK PARKING LAMP GROUND CIRCUIT

Nissan Maxima. CHECK PARKING LAMP GROUND CIRCUIT

Nissan Maxima. CHECK PARKING LAMP GROUND CIRCUIT

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