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Glasses, Window System & Mirrors: Overview Infiniti M45 III

Windows ~1658 words

System Description

Power is supplied at all time

  1. through 50A fusible link (letter F , located in the fuse and fusible link box)
  2. to BCM terminal 55, and
  3. through BCM terminal 54
  4. to power window main switch terminal 19
  5. to power window sub-switch (front passenger side) terminal 10
  6. to power window sub-switch (rear LH and RH) terminal 10.
  7. through 10A fuse [No. 21, located in the fuse block (J/B)]
  8. to BCM terminal 42.

With ignition switch in ON or START position, Power is supplied

  1. through 15A fuse [No. 1, located in the fuse block (J/B)]
  2. to BCM terminal 38, and
  3. through BCM terminal 53
  4. to power window main switch terminal 10

Ground supplied

  1. to BCM terminal 52
  2. through body grounds M16 and M70.
  3. to power window main switch terminal 17
  4. through body grounds M16 and M70.
  5. to power window sub-switch (front passenger side) terminal 11
  6. through body grounds M16 and M70.
  7. to power window sub-switch (rear LH and RH) terminal 11
  8. through body grounds B5, B40 and B131.

POWER WINDOW SUB-SWITCH (FRONT PASSENGER SIDE) OPERATION WINDOW UP

When the power window sub-switch (front passenger side) is pressed in the up position

Power is supplied

  1. through power window sub-switch (front passenger side) terminal 8
  2. to power window motor (front passenger side) terminal 2.

Ground is supplied

  1. to power window motor (front passenger side) terminal 1
  2. through power window sub-switch (front passenger side) terminal 9.

Then, the motor raises the window until the switch is released.

POWER WINDOW MAIN SWITCH OPERATION

Signal is sent

  1. though power window main switch terminal 14.
  2. to power window sub-switch (front passenger side) terminal 16

The operation of power window after receive the signal is as same as operate the power window with power window sub-switch (front passenger side).

POWER WINDOW SUB-SWITCH (REAR LH OR RH) OPERATION WINDOW UP

When the power window sub-switch (rear LH or RH) is pressed in the up position

Power is supplied

  1. through power window sub-switch (rear LH or RH) terminal 8
  2. to power window motor (rear LH or RH) terminal 1.

Ground is supplied

  1. to power window motor (rear LH or RH) terminal 2
  2. through power window sub-switch (rear LH or RH) terminal 9.

Then, the motor raises the window until the switch is released.

Signal is sent

  1. though power window main switch terminal 14.
  2. to power window sub-switch (rear LH or RH) terminal 16

The operation of power window after receive the signal is as same as operate the power window sub-switch (rear LH or RH).

AUTO OPERATION

The power window AUTO feature enables the driver to open or close the window without holding the window switch in the down or up position.

RETAINED POWER OPERATION

When the ignition switch is turned to the OFF position from ON or START position.

Power is supplied for 45 seconds

  1. through BCM terminal 53
  2. to power window main switch terminal 10.

When power and ground are supplied, the BCM continues to be energized, and the power window can be operated.

The retained power operation is canceled when the driver or passenger side door is opened. RAP signal period can be changed by CONSULT-II. Refer to " CONSULT-II FUNCTION (BCM) ".

CAN Communication System Description

CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Many electronic control units are equipped onto a vehicle, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only.

The rear window defogger system is controlled by BCM and IPDM E/R.

The rear window defogger operates only for approximately 15 minutes.

Power is at all times supplied

  1. through 20A fuse [No. 75, located in the IPDM E/R]
  2. to rear window defogger relay terminals 6
  3. through 20A fuse [No. 80, located in the IPDM E/R]
  4. to rear window defogger relay terminals 3
  5. through 15A fuse [No. 37, located in the fuse and fusible link box
  6. to multi-function switch terminal 1
  7. through 50A fusible link (letter F , located in the fuse and fusible link box)
  8. to BCM terminal 55
  9. through 10A fuse [No. 21, located in the fuse block (J/B)]
  10. to BCM terminal 42.

With the ignition switch turned to ON or START position, Power is supplied

  1. through 15A fuse [No. 1, located in the fuse block (J/B)]
  2. to BCM terminal 38.
  3. through 10A fuse [No. 12, located in the fuse block (J/B)]
  4. to rear window defogger relay terminal 1.

With the ignition switch turned to ACC or ON position

  1. through 10A fuse [No. 6, located in the fuse block (J/B)]
  2. to multi-function switch terminal 2.

Ground is supplied

  1. to BCM terminal 52
  2. through body grounds M16 and M70
  3. to multi-function switch terminal 14
  4. through body grounds M16 and M70
  5. to IPDM E/R terminals 38 and 51
  6. through body grounds E22 and E43.

When rear window defogger switch in multi-function switch is turned to ON.

Then multi-function switch recognizes that rear window defogger switch is turned to ON.

Then it sends rear window defogger switch signals to AV control unit (without navigation system) or NAVI control unit (with navigation system) via AV line.

When AV control unit (without navigation system) or NAVI control unit (with navigation system) receives rear window defogger switch signals, and display on the screen.

Then AV control unit (without navigation system) or NAVI control unit (with navigation system) recognizes that rear window defogger switch is turned to ON.

Then it sends rear window defogger switch signal to BCM via DATA LINE (CAN H, CAN L).

Then BCM recognizes that rear window defogger switch signal.

Then it sends rear window defogger request signal to IPDM E/R via DATA LINE (CAN H, CAN L).

When IPDM E/R receives rear window defogger switch signals, Ground is supplied

  1. to rear window defogger relay terminal 2
  2. through IPDM E/R terminal 57
  3. through IPDM E/R terminal 51
  4. through body grounds E22 and E43.

And then rear window defogger relay is energized.

When rear window defogger relay is turned ON, signals are transmitted.

  1. through rear window defogger relay terminals 5 and 7
  2. through condenser terminal 1
  3. to rear window defogger terminal 1

Rear window defogger terminal 2 is grounded through grounds B702.

With power and ground supplied, rear window defogger filaments heat and defog the rear window.

When rear window defogger relay is turned to ON, Power is supplied

  1. through rear window defogger relay terminals 5 and 7
  2. through fuse block (J/B) terminal 2C
  3. through 10A fuse [No. 8, located in the fuse block (J/B)] and
  4. through fuse block (J/B) terminal 5B
  5. to door mirror (LH and RH) terminal 4.

Door mirror (LH and RH) terminal 8 is grounded through body grounds M16 and M70.

With power and ground supplied, door mirror defogger filaments heat and defog the mirror.

CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Many electronic control units are equipped onto a vehicle, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only.

Select one of the door mirror faces by change over switch, and then set the selected mirror face downward/inward.

This operation is synchronized with the R position operation of A/T control device.

OPERATION CONDITIONS

  1. Ignition switch: ON
  2. Changeover switch: Select either left or right
  3. A/T control device: R position

During the reverse interlock door mirror system, if all of the above conditions are not satisfied, mirror face returns to original angle.

REVERSE INTERLOCK DOOR MIRROR SYSTEM OPERATION

  1. When the ignition switch is in ON position, A/T control device into R position. Then TCM (in A/T assembly) detects it and sends the A/T shift position signal to the driver seat control unit via DATA LINE (CAN H, CAN L).
  2. When selecting either left and right changeover switch, the automatic drive position control unit judges which door mirror is selected according to the voltage of terminals 2 and 18. And then, it sends the signal to driver seat control unit via communication signal.
  3. When the driver seat control unit receives the A/T shift position signal and changeover switch signal, it sends the operation signal to the automatic drive positioner control unit using the communication signal so that the each mirror sensor voltage stays in a specified value.
  4. Door mirror (RH) selected Supply the power from terminals 14, 15 and 30 to door mirror (RH) terminals 5, 6 and 7 so that the voltage of terminals 5 and 21 stays in a specified value. Then, adjust the mirror angle.
  5. Door mirror (LH) selected Supply the power from terminals 16, 31 and 32 to door mirror (LH) terminals 5, 6 and 7 do that the voltage of terminals 6 and 22 is the specified value. Then, adjust the mirror angle.

CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Many electronic control units are equipped onto a vehicle, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only.

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