Nissan Teana J32. Instruction — part 673
B2636, B2637, B2638, B2639, B2654, B2655 MODE DOOR MOTOR
HAC-61
< COMPONENT DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
3.
Confirm that air discharge comes out according to the air distribution table at below. Refer to
.
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:0000000003846355
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
HAC-62
< COMPONENT DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
B2636, B2637, B2638, B2639, B2654, B2655 MODE DOOR MOTOR
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
B263D B263E, B263F, B2656 INTAKE DOOR MOTOR
HAC-63
< COMPONENT DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
B263D B263E, B263F, B2656 INTAKE DOOR MOTOR
Description
INFOID:0000000003846356
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:0000000003846357
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
NO
>> GO TO 2.
2.
FUNCTION INSPECTION
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?
YES
>> INSPECTION END
:
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
HAC-64
< COMPONENT DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
B263D B263E, B263F, B2656 INTAKE DOOR MOTOR
NO
>> Check intake door motor installation, and repair or replace the malfunctioning parts.
Diagnosis Procedure
INFOID:0000000003846358
1.
CHECK POWER SUPPLY FOR INTAKE DOOR MOTOR
Check voltage between intake door motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK SIGNAL FOR INTAKE DOOR MOTOR
Confirm A/C LAN signal between intake door motor harness connector and ground using an oscilloscope.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK INTAKE DOOR MOTOR GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect intake door motor connector.
3.
Check continuity between intake door motor harness connector and ground.
Is the inspection result normal?
YES
>> Replace intake door motor.
NO
>> Repair harness or connector.
(+)
(
−
)
Voltage
Intake door motor
—
Connector
Terminal
M304
1
Ground
Battery voltage
(+)
(
−
)
Voltage
Intake door motor
—
Connector
Terminal
M304
3
Ground
SJIA1453J
Intake door motor
—
Continuity
Connector
Terminal
M304
2
Ground
Existed
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