Nissan Teana J32. Instruction — part 704
B2636, B2637, B2638, B2639, B2654, B2655 MODE DOOR MOTOR
HAC-185
< COMPONENT DIAGNOSIS >
[WITH 7 INCH DISPLAY]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
B2636, B2637, B2638, B2639, B2654, B2655 MODE DOOR MOTOR
Description
INFOID:0000000003884766
COMPONENT DESCRIPTION
Mode Door Motor
• The mode door motor (1) are attached to the heater & cooling unit
assembly.
• It rotates so that air is discharged from the outlet set by the A/C
auto amp. Motor rotation is conveyed to a link which activates the
mode door.
DTC Logic
INFOID:0000000003884767
DTC DETECTION LOGIC
NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT-III
1.
Using CONSULT-III, perform “SELF-DIAGNOSIS RESULTS” of HVAC.
2.
Check if any DTC is displayed in the self-diagnosis results.
NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to
Is DTC “ B2636 ”, “ B2637 ”, “B2638 ”, “B2639 ”, “B2654 ” or “B2655 ” displayed?
YES
>> Perform trouble diagnosis for the mode door motor. Refer to
HAC-186, "Diagnosis Procedure"
.
NO
>> GO TO 2.
2.
FUNCTION INSPECTION
1.
Press MODE switch and DEF switch.
2.
Each position indicator should change shape.
3.
Confirm that air discharge comes out according to the air distribution table at below. Refer to
"WITHOUT INTELLIGENT AIR CONDITIONER SYSTEM : System Description"
:
Vehicle front
JPIIA0893ZZ
DTC
Items
(CONSULT-III screen terms)
Diagnostic item is detected when...
Possible cause
B2636
DR VENT DOOR FAIL
When the malfunctioning door position is
detected at VENT position
• Mode door motor
• A/C auto amp.
• Harness and connector
(CAN communication line is open
or shorted)
(Mode door motor is open or short-
ed)
B2637
DR B/L DOOR FAIL
When the malfunctioning door position is
detected at B/L position
B2638
DR D/F1 DOOR FAIL
When the malfunctioning door position is
detected at FOOT position
B2639
DR DEF DOOR FAIL
When the malfunctioning door position is
detected at DEF position
B2654
D/F2 DOOR FAIL
When the malfunctioning door position is
detected at D/F position
B2655
B/L2 DOOR FAIL
When the malfunctioning door position is
detected at B/L2 position
HAC-186
< COMPONENT DIAGNOSIS >
[WITH 7 INCH DISPLAY]
B2636, B2637, B2638, B2639, B2654, B2655 MODE DOOR MOTOR
GENT AIR CONDITIONER SYSTEM) or
HAC-133, "WITH INTELLIGENT AIR CONDITIONER SYSTEM :
(WITH INTELLIGENT AIR CONDITIONER SYSTEM).
NOTE:
Confirm that the compressor clutch is engaged (Sound or visual inspection) and intake door position is at FRE
when DEF is selected.
Does it operate normally?
YES
>> END.
NO
>> Check mode door motor installation, and repair or replace the malfunctioning parts.
Diagnosis Procedure
INFOID:0000000003884768
1.
CHECK POWER SUPPLY FOR MODE DOOR MOTOR
Check voltage between mode door motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK SIGNAL FOR MODE DOOR MOTOR
Confirm A/C LAN signal between mode door motor harness connector and ground using an oscilloscope.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
JPIIA0877GB
(+)
(
−
)
Voltage
Mode door motor
—
Connector
Terminal
M310
1
Ground
Battery voltage
(+)
(
−
)
Voltage
Mode door motor
—
Connector
Terminal
M310
3
Ground
SJIA1453J
B2636, B2637, B2638, B2639, B2654, B2655 MODE DOOR MOTOR
HAC-187
< COMPONENT DIAGNOSIS >
[WITH 7 INCH DISPLAY]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
3.
CHECK MODE DOOR MOTOR GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect mode door motor connector.
3.
Check continuity between mode door motor harness connector and ground.
Is the inspection result normal?
YES
>> Replace mode door motor.
NO
>> Repair harness or connector.
Mode door motor
—
Continuity
Connector
Terminal
M310
2
Ground
Existed
HAC-188
< COMPONENT DIAGNOSIS >
[WITH 7 INCH DISPLAY]
B263D B263E, B263F, B2656 INTAKE DOOR MOTOR
B263D B263E, B263F, B2656 INTAKE DOOR MOTOR
Description
INFOID:0000000003884769
COMPONENT DESCRIPTION
Intake Door Motor
• The intake door motor (1) is attached to the blower unit.
• It rotates so that air is drawn from inlets set by the A/C auto amp.
Motor rotation is conveyed to a lever which activates the intake
door.
DTC Logic
INFOID:0000000003884770
DTC DETECTION LOGIC
NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to
DTC CONFIRMATION PROCEDURE
1.
CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT-III
1.
Using CONSULT-III, perform “SELF-DIAGNOSIS RESULTS” of HVAC.
2.
Check if any DTC is displayed in the self-diagnosis results.
NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to
Is DTC “B263D”, “B263E”, “B263F” or “B2656” displayed?
YES
>> Perform trouble diagnosis for the intake door motor. Refer to
HAC-189, "Diagnosis Procedure"
NO
>> • WITHOUT INTELLIGENT AIR CONDITIONER SYSTEM : GO TO 2.
• WITH INTELLIGENT AIR CONDITIONER SYSTEM : GO TO 3.
2.
FUNCTION INSPECTION (WITHOUT INTELLIGENT AIR CONDITIONER SYSTEM)
1.
Press REC switch.
2.
The REC switch indicator is turned ON. (REC position)
3.
Listen for intake door position change (Slight change of blower sound can be heard.).
4.
Press FRE switch.
5.
The FRE switch indicator is turned ON. (FRE position)
6.
Listen for intake door position change (Slight change of blower sound can be heard.).
Does it operate normally?
:
Vehicle front
JPIIA0516ZZ
DTC
Items
(CONSULT-III screen terms)
Diagnostic item is detected when...
Possible cause
B263D
FRE DOOR FAIL
When the malfunctioning intake door posi-
tion is detected at FRE position
• Intake door motor
• A/C auto amp.
• Harness and connector
(CAN communication line is open
or shorted)
(Intake door motor is open or
shorted)
B263E
20P FRE DOOR FAIL
When the malfunctioning intake door posi-
tion is detected at 20%FRE position
B263F
REC DOOR FAIL
When the malfunctioning intake door posi-
tion is detected at REC position
B2656
BTC FRE DOOR FAIL
When the malfunctioning intake door posi-
tion is detected
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