2005 INFINITI QX4 Factory Service Manual

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INFINITI QX4 2005  Factory Service Manual AV-124
NAVIGATION SYSTEM
Revision: October 20052005 QX56
Ignition Signal Check for Display Control UnitEKS00BK4
1. CHECK IGNITION SIGNAL
1. Disconnect display control unit connector M94.
2. Turn ignit

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INFINITI QX4 2005  Factory Service Manual NAVIGATION SYSTEM
AV-125
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Revision: October 20052005 QX56
2. CHECK REVERSE SIGNAL
1. Disconnect display control unit connector M94.
2. Turn ignition switch ON.
3. With the sel

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INFINITI QX4 2005  Factory Service Manual AV-126
NAVIGATION SYSTEM
Revision: October 20052005 QX56
3. CHECK SELF-DIAGNOSIS OF DCU
1. Replace NAVI control unit.
2. Connect NAVI control unit connector and display control unit connector.
3. Turn

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INFINITI QX4 2005  Factory Service Manual NAVIGATION SYSTEM
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Revision: October 20052005 QX56
3. CHECK 1: AUDIO-TX COMMUNICATION SIGNAL
1. Connect display control unit connector.
2. Turn ignition switch ON.
3. C

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INFINITI QX4 2005  Factory Service Manual AV-128
NAVIGATION SYSTEM
Revision: October 20052005 QX56
6. CHECK 4: AUDIO-RX COMMUNICATION SIGNAL
1. Turn ignition switch ON.
2. Check signal between display control unit harness connector
M95 termin

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INFINITI QX4 2005  Factory Service Manual NAVIGATION SYSTEM
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3. CHECK 2: COMMUNICATION SIGNAL (DSP–DCU)
1. Turn ignition switch OFF.
2. Disconnect display control unit connecto

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INFINITI QX4 2005  Factory Service Manual AV-130
NAVIGATION SYSTEM
Revision: October 20052005 QX56
AV Communication Line Check (Between Display Control Unit and AV Switch)EKS00BKA
1. CHECK AV SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Dis

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INFINITI QX4 2005  Factory Service Manual NAVIGATION SYSTEM
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Revision: October 20052005 QX56
CAN Communication Line CheckEKS00BKB
1. CHECK MONITOR DESCRIPTION
1. Start display control unit self-diagnosis. Refer