2006 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2006  Factory Service Manual ATC-128
TROUBLE DIAGNOSIS
Revision: November 20092006 QX56
Insufficient HeatingEJS003XX
SYMPTOM: Insufficient heating
INSPECTION FLOW
*1ATC-58, "Operational Check (Front)" 
or  AT C - 6 0 ,  "
Operati

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INFINITI QX56 2006  Factory Service Manual TROUBLE DIAGNOSISATC-129
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AT C
Revision: November 2009 2006 QX56
NoiseEJS003XY
SYMPTOM: Noise
INSPECTION FLOW
*1ATC-175, "REMOVAL".* 2ATC-176, "INSTALLATION".*3 AT C - 2 2 ,  "Ma

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INFINITI QX56 2006  Factory Service Manual ATC-130
TROUBLE DIAGNOSIS
Revision: November 20092006 QX56
Self-diagnosisEJS003XZ
SYMPTOM: Self-diagnosis cannot be performed.
INSPECTION FLOW
*1ATC-61, "Power Supply and Ground 
Circuit for Front Air

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INFINITI QX56 2006  Factory Service Manual TROUBLE DIAGNOSISATC-131
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AT C
Revision: November 2009 2006 QX56
Memory FunctionEJS003Y0
SYMPTOM: Memory function does not operate.
INSPECTION FLOW
*1AT C - 6 1 ,  "Power Supply

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INFINITI QX56 2006  Factory Service Manual ATC-132
TROUBLE DIAGNOSIS
Revision: November 20092006 QX56
Water Valve CircuitEJS003Y1
COMPONENT DESCRIPTION
Water Valve
The water valve (1) cuts the flow of engine coolant to the front and
rear heate

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INFINITI QX56 2006  Factory Service Manual TROUBLE DIAGNOSISATC-133
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Revision: November 2009 2006 QX56
3. CHECK WATER VALVE POWER AND GROUND CIRCUITS
1. Rotate temperature control dial (driver) to 16 °C (60 °F).
2.

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INFINITI QX56 2006  Factory Service Manual ATC-134
TROUBLE DIAGNOSIS
Revision: November 20092006 QX56
Ambient Sensor CircuitEJS003Y2
COMPONENT DESCRIPTION
Ambient Sensor
The ambient sensor is attached on the radiator core support (left
side).

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INFINITI QX56 2006  Factory Service Manual TROUBLE DIAGNOSISATC-135
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Revision: November 2009 2006 QX56
2. CHECK CIRCUIT CONTINUITY BETWEEN AMBIENT SENSOR AND FRONT AIR CONTROL 
1. Turn ignition switch OFF.
2. Disconn