Audio: Other Infiniti FX45 I

Base System

Refer to Owner's Manual for audio system operating instructions.

Power is supplied at all times

1. through 15A fuse (No. 32, located in the fuse and fusible link block)
2. to audio unit terminal 6
3. to A/C and AV switch terminal 1 and
4. to display control unit terminal 1 (with navigation system) or display unit terminal 1 (without navigation system).

With the ignition switch in the ACC or ON position, power is supplied

1. through 10A fuse [No. 6, located in the fuse block (J/B)]
2. to audio unit terminal 10
3. to A/C and AV switch terminal 2 and
4. to display control unit terminal 10 (with navigation system) or display unit terminal 2 (without navigation system).

Ground is supplied through the case of the audio unit.

Audio unit, A/C and audio controller are connected by FPC (Flexible Print Circuit).

A/C and audio controller integrates A/C switches and audio switches.

When A/C and audio controller is pushed to audio switch, it sends audio signal to audio unit. Then audio signals are supplied

1. through audio unit terminals 1, 2, 3, 4, 13, 14, 15, and 16
2. to terminals 1 and 2 of front door speaker LH and RH
3. to terminals 1 and 2 of rear door speaker LH and RH
4. to terminals 1 and 2 of instrument speaker LH and RH.

When one of audio steering wheel switch is pushed to volume up, seek up, or mode ON, resistance in steering switch circuit changes depending on which button is pushed.

When one of audio steering wheel switch is pushed to volume down, seek down, or power ON, resistance in audio steering wheel switch circuit changes depending on which button is pushed.

BOSE System

Refer to Owner's Manual for audio system operating instructions.

Power is supplied at all times

1. through 15A fuse (No. 32, located in the fuse and fusible link block)
2. to audio unit terminal 6
3. to woofer terminal 1
4. to A/C and AV switch terminal 1 and
5. to display control unit terminal 1 (with navigation system) or display unit terminal 1 (without navigation system).
6. through 20A fuse [No. 17, located in the fuse block (J/B)]
7. to BOSE speaker amp. terminal 1.

With the ignition switch in the ACC or ON position, power is supplied

1. through 10A fuse [No. 6, located in the fuse block (J/B)]
2. to audio unit terminal 10
3. to A/C and AV switch terminal 2 and
4. to display control unit terminal 10 (with navigation system) or display unit terminal 2 (without navigation system).

Ground is supplied through the case of the audio unit.

Ground is also supplied

1. to BOSE speaker amp. terminal 17
2. to woofer terminal 2
3. through body ground B203 and B210.

Audio unit, A/C and audio controller are connected by FPC (Flexible Print Circuit).

A/C and audio controller integrates A/C switches and audio switches.

When A/C and audio controller is pushed to audio switch, it send audio signal to audio unit.

Then audio signals are supplied

1. through audio unit terminals 1, 2, 3, 4, 13, 14, 15, and 16
2. to BOSE speaker amp. terminals 23, 24, 25, 26, 27, 28, 29, and 30.

Audio signals are amplified by the BOSE speaker amp.

The amplified audio signals are supplied

1. through BOSE speaker amp. terminals 2, 3, 4, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19 and 20
2. to terminals 1 and 2 of front door speaker LH and RH
3. to terminals 1 and 2 of rear door speaker LH and RH
4. to terminals 1 and 2 of tweeter LH and RH.
5. to terminals 1 and 2 of instrument speaker LH, RH, and CENTER
6. to terminals 7 and 8 of woofer.

When one of audio steering wheel switch is pushed to volume up, seek up, or mode ON, resistance in audio steering wheel switch circuit changes depending on which button is pushed.

When one of audio steering wheel switch is pushed to volume down, seek down, or power ON, resistance in audio steering wheel switch circuit changes depending on which button is pushed.

Speed Sensitive Volume System

Volume level of this system gone up and down automatically in proportion to the vehicle speed. And the control level can be selected by the customer.

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Note. For FX35 wiring diagram references to PG-POWER , see POWER DISTRIBUTION and GROUND DISTRIBUTION .

Note. For FX45 wiring diagram references to PG-POWER , see POWER DISTRIBUTION and GROUND DISTRIBUTION .

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Note. For FX35 wiring diagram references to PG-POWER , see POWER DISTRIBUTION and GROUND DISTRIBUTION .

Note. For FX45 wiring diagram references to PG-POWER , see POWER DISTRIBUTION and GROUND DISTRIBUTION .

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LOCKING CD AUTO-CHANGER MECHANISM

Damper Lock Procedure

1. Eject and remove any CDs from the audio unit.
2. Turn ignition switch OFF. Wait until audio unit display is off and mechanism stops moving (mechanism sound stops).
3. Press any one of the disc selection buttons once. When a display shows on the Audio unit, press the same disc selection button again within 5 seconds. The changer mechanism will lock itself within 10 seconds.
4. After mechanism stops moving (mechanism sound stops), open the driver and passenger window, and then disconnect negative battery cable.

Note. After installing a new or remanufactured audio unit, switching the audio unit ON will automatically unlock the mechanism. A special unlocking procedure is not required.

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1. Perform damper lock operation. Refer to «Locking CD Auto-changer Mechanism»(ref-179056-S05668610922005062900000) .
2. Remove cluster lid C. Refer to «INSTRUMENT PANEL»(ref-171989) .
3. Remove screws (6) with power tool, and remove audio unit with display and unified meter and A/C amp. from instrument panel.