Nissan Maxima Service and Repair Manual: Door lock and unlock switch

DRIVER SIDE

DRIVER SIDE : Description

Transmits door lock/unlock operation to BCM.

DRIVER SIDE : Component Function Check

1. CHECK FUNCTION

With CONSULT

Check CDL LOCK SW, CDL UNLOCK SW in Data Monitor mode with CONSULT

Nissan Maxima. CHECK FUNCTION

DRIVER SIDE : Diagnosis Procedure

1. CHECK POWER WINDOW SWITCH OUTPUT SIGNAL

Nissan Maxima. CHECK POWER WINDOW SWITCH OUTPUT SIGNAL

  1. Read voltage signal between BCM connector and ground with oscilloscope when door lock and unlock switch (driver side) is turned "LOCK" or "UNLOCK".
  2. Check that signals which are shown in the figure below can be detected during 10 second just after door lock and unlock switch (driver side) is turned to "LOCK" or "UNLOCK".

Nissan Maxima. CHECK POWER WINDOW SWITCH OUTPUT SIGNAL

2. CHECK POWER WINDOW SWITCH GROUND

Nissan Maxima. CHECK POWER WINDOW SWITCH GROUND

  1. Turn ignition switch OFF.
  2. Disconnect main power window and door lock/unlock switch connector.
  3. Check continuity between main power window and door lock/ unlock switch connector and ground.

Nissan Maxima. CHECK POWER WINDOW SWITCH GROUND

3. CHECK POWER WINDOW SERIAL LINK CIRCUIT

Nissan Maxima. CHECK POWER WINDOW SERIAL LINK CIRCUIT

  1. Disconnect BCM connector.
  2. Check continuity between BCM connector and main power window and door lock/unlock switch connector.
  3. Check continuity between BCM connector and ground.

Nissan Maxima. CHECK POWER WINDOW SERIAL LINK CIRCUIT

Nissan Maxima. CHECK POWER WINDOW SERIAL LINK CIRCUIT

4. CHECK INTERMITTENT INCIDENT

DRIVER SIDE : Special Repair Requirement

INITIALIZATION PROCEDURE

  1. Disconnect battery negative terminal or main power window and door lock/unlock switch. Reconnect it after a minute or more.
  2. Turn ignition switch ON.
  3. Operate power window switch to fully open the window. (This operation is unnecessary if the window is already fully open)
  4. Continue pulling the power window switch UP (AUTO-UP operation). Even after glass stops at fully closed position, keep pulling the switch for 4 seconds or more.
  5. Inspect anti-pinch function.

CHECK ANTI-PINCH FUNCTION

  1. Fully open the door window.
  2. Place a piece of wood near fully closed position.
  3. Close door glass completely with AUTO-UP.
  • Check that glass lowers for approximately 150 mm (5. 91 in) or 2 seconds without pinching piece of wood and stops.
  • Check that glass does not rise when operating the main power window and door lock/unlock switch while lowering.

CAUTION:

  • Do not check with hands and other parts of the body because they may be pinched. Do not get pinched.
  • Check that AUTO-UP operates before inspection when system initialization is performed.
  • It may switch to fail-safe mode if open/close operation is performed continuously. Perform initial setting in that situation. Refer to PWC-53, "Fail Safe", PWC-56, "Fail Safe" or PWC-78, "Fail Safe".
  • Perform initial setting when auto-up operation or anti-pinch function does not operate normally.
  • Finish initial setting. Otherwise, next operation cannot be done.
  1. Auto-up operation
  2. Anti-pinch function
  3. Retained power operation when ignition switch is OFF.

PASSENGER SIDE

PASSENGER SIDE : Description

Transmits door lock/unlock operation to BCM.

PASSENGER SIDE : Component Function Check

1. CHECK FUNCTION

With CONSULT

Check CDL LOCK SW, CDL UNLOCK SW in Data Monitor mode with CONSULT

Nissan Maxima. CHECK FUNCTION

PASSENGER SIDE : Diagnosis Procedure

1. CHECK POWER WINDOW SWITCH OUTPUT SIGNAL

Nissan Maxima. CHECK POWER WINDOW SWITCH OUTPUT SIGNAL

  1. Read voltage signal between BCM connector and ground with oscilloscope when door lock and unlock switch (passenger side) is turned to "LOCK" or "UNLOCK".
  2. Check that signals which are shown in the figure below can be detected during 10 second just after door lock and unlock switch (passenger side) is turned to "LOCK" or "UNLOCK".

Nissan Maxima. CHECK POWER WINDOW SWITCH OUTPUT SIGNAL

2. CHECK POWER WINDOW SWITCH GROUND

Nissan Maxima. CHECK POWER WINDOW SWITCH GROUND

  1. Turn ignition switch OFF.
  2. Disconnect power window and door lock/unlock switch RH connector.
  3. Check continuity between front power window switch (passenger side) connector and ground.

Nissan Maxima. CHECK POWER WINDOW SWITCH GROUND

3. CHECK POWER WINDOW SERIAL LINK CIRCUIT

Nissan Maxima. CHECK POWER WINDOW SERIAL LINK CIRCUIT

  1. Disconnect BCM connector.
  2. Check continuity between BCM connector and front power window switch (passenger side) connector.
  3. Check continuity between BCM connector and ground.

Nissan Maxima. CHECK POWER WINDOW SERIAL LINK CIRCUIT

Nissan Maxima. CHECK POWER WINDOW SERIAL LINK CIRCUIT

4. CHECK INTERMITTENT INCIDENT

PASSENGER SIDE : Special Repair Requirement

INITIALIZATION PROCEDURE

  1. Disconnect battery negative terminal or main power window and door lock/unlock switch. Reconnect it after a minute or more.
  2. Turn ignition switch ON.
  3. Operate power window switch to fully open the window. (This operation is unnecessary if the window is already fully open)
  4. Continue pulling the power window switch UP (AUTO-UP operation). Even after glass stops at fully closed position, keep pulling the switch for 4 seconds or more.
  5. Inspect anti-pinch function.

CHECK ANTI-PINCH FUNCTION

  1. Fully open the door window.
  2. Place a piece of wood near fully closed position.
  3. Close door glass completely with AUTO-UP.
  • Check that glass lowers for approximately 150 mm (5. 91 in) or 2 seconds without pinching piece of wood and stops.
  • Check that glass does not rise when operating the main power window and door lock/unlock switch while lowering.

CAUTION:

  • Do not check with hands and other parts of the body because they may be pinched. Do not get pinched.
  • Check that AUTO-UP operates before inspection when system initialization is performed.
  • It may switch to fail-safe mode if open/close operation is performed continuously. Perform initial setting in that situation. Refer to PWC-53, "Fail Safe", PWC-56, "Fail Safe" or PWC-78, "Fail Safe".
  • Perform initial setting when auto-up operation or anti-pinch function does not operate normally.
  • Finish initial setting. Otherwise, next operation cannot be done.
  1. Auto-up operation
  2. Anti-pinch function
  3. Retained power operation when ignition switch is OFF.
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