2011 INFINITI QX56 Factory Service Manual

Page 3193 of 5598

INFINITI QX56 2011  Factory Service Manual 
B2630, B2631 SUNLOAD SENSOR (DRIVER SIDE)HAC-87
< DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONING]
C
D
E
F
G H
J
K L
M A
B
HAC
N
O P
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair

Page 3194 of 5598

INFINITI QX56 2011  Factory Service Manual 
HAC-88
< DTC/CIRCUIT DIAGNOSIS >[AUTOMATIC AIR CONDITIONING]
B2630, B2631 SUNLOAD 
SENSOR (DRIVER SIDE)
NOTE:
 When checking indoors, use a lamp of approximately  60 W. Move the lamp towards and awa

Page 3195 of 5598

INFINITI QX56 2011  Factory Service Manual 
B2632, B2633 FRONT AIR MIX DOOR MOTOR (DRIVER SIDE)
HAC-89
< DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONING]
C
D
E
F
G H
J
K L
M A
B
HAC
N
O P
B2632, B2633 FRONT AIR MIX DO OR MOTOR (DRIVER SIDE

Page 3196 of 5598

INFINITI QX56 2011  Factory Service Manual 
HAC-90
< DTC/CIRCUIT DIAGNOSIS >[AUTOMATIC AIR CONDITIONING]
B2632, B2633 FRONT AIR MIX 
DOOR MOTOR (DRIVER SIDE)
3.CHECK FRONT AIR MIX DOOR MOTOR (DRIVE R SIDE) COMMUNICATION SIGNAL CIRCUIT
1. Turn

Page 3197 of 5598

INFINITI QX56 2011  Factory Service Manual 
B2634, B2635 FRONT AIR MIX DOOR MOTOR (PASSENGER SIDE)
HAC-91
< DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONING]
C
D
E
F
G H
J
K L
M A
B
HAC
N
O P
B2634, B2635 FRONT AIR MIX DO OR MOTOR (PASSENGE

Page 3198 of 5598

INFINITI QX56 2011  Factory Service Manual 
HAC-92
< DTC/CIRCUIT DIAGNOSIS >[AUTOMATIC AIR CONDITIONING]
B2634, B2635 FRONT AIR MIX DO
OR MOTOR (PASSENGER SIDE)
NO >> Repair or replace malfunctioning part.
3.CHECK FRONT AIR MIX DOOR MOTOR (PAS

Page 3199 of 5598

INFINITI QX56 2011  Factory Service Manual 
B2636, B2637, B2638, B2639, B2654, B2655 FR ONT MODE DOOR MOTOR
HAC-93
< DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONING]
C
D
E
F
G H
J
K L
M A
B
HAC
N
O P
B2636, B2637, B2638, B2639, B2654, B265

Page 3200 of 5598

INFINITI QX56 2011  Factory Service Manual 
HAC-94
< DTC/CIRCUIT DIAGNOSIS >[AUTOMATIC AIR CONDITIONING]
B2636, B2637, B2638, B
2639, B2654, B2655 FRON T MODE DOOR MOTOR
Is the inspection result normal?
YES >> Replace front mode door motor. Re