air condition INFINITI QX56 2008 Factory Service Manual

INFINITI QX56 2008 Factory Service Manual QX56 2008 INFINITI INFINITI https://www.carmanualsonline.info/img/42/57030/w960_57030-0.png INFINITI QX56 2008 Factory Service Manual

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INFINITI QX56 2008  Factory Service Manual HAC-22
< FUNCTION DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
SELF-DIAGNOSIS FUNCTION
SELF-DIAGNOSIS FUNCTION
A/C Auto Amp. Self-DiagnosisINFOID:0000000001679779
A/C SYSTEM SELF-DIAGNOSIS FUNCTION
The self

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INFINITI QX56 2008  Factory Service Manual SELF-DIAGNOSIS FUNCTIONHAC-23
< FUNCTION DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D
E
F
G H
J
K L
M A
B
HAC
N
O P
• Press the “BACK” switch and the “UP” switch within 10 seconds after turni

Page 2277 of 4083

INFINITI QX56 2008  Factory Service Manual HAC-24
< COMPONENT DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
MODE DOOR MOTOR
COMPONENT DIAGNOSIS
MODE DOOR MOTOR
System DescriptionINFOID:0000000001679782
SYSTEM DESCRIPTION
Component Parts
Mode door con

Page 2278 of 4083

INFINITI QX56 2008  Factory Service Manual MODE DOOR MOTORHAC-25
< COMPONENT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D
E
F
G H
J
K L
M A
B
HAC
N
O P
The mode door motor (front) is attached to the heater & cooling unit
assembly. It rotates so

Page 2279 of 4083

INFINITI QX56 2008  Factory Service Manual HAC-26
< COMPONENT DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
MODE DOOR MOTOR
7.CHECK THE MODE DOOR MO
TOR (FRONT) PBR CIRCUIT 
Perform diagnostic procedure for the mode door motor (front). Refer to  HAC-

Page 2280 of 4083

INFINITI QX56 2008  Factory Service Manual MODE DOOR MOTORHAC-27
< COMPONENT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D
E
F
G H
J
K L
M A
B
HAC
N
O P
NO >> Repair or replace harness as necessary.
3.CHECK A/C AUTO AMP. FOR GROUND AND POWER 
1.

Page 2281 of 4083

INFINITI QX56 2008  Factory Service Manual HAC-28
< COMPONENT DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
MODE DOOR MOTOR
7.CHECK PBR REFERENCE VOLTAGE 
CIRCUIT FOR SHORT TO GROUND
1. Turn ignition switch OFF.
2. Disconnect the A/C auto amp. harnes

Page 2282 of 4083

INFINITI QX56 2008  Factory Service Manual MODE DOOR MOTORHAC-29
< COMPONENT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D
E
F
G H
J
K L
M A
B
HAC
N
O P
1. Turn ignition switch OFF.
2. Disconnect A/C auto amp. harness connector.
3. Check continu

Page 2283 of 4083

INFINITI QX56 2008  Factory Service Manual HAC-30
< COMPONENT DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
AIR MIX DOOR MOTOR
AIR MIX DOOR MOTOR
System DescriptionINFOID:0000000001679785
SYSTEM DESCRIPTION
SYMPTOM:• Discharge air temperature does

Page 2284 of 4083

INFINITI QX56 2008  Factory Service Manual AIR MIX DOOR MOTORHAC-31
< COMPONENT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D
E
F
G H
J
K L
M A
B
HAC
N
O P
Air Mix Door Control Specification
COMPONENT DESCRIPTION
Air Mix Door Motors (front)
The