2014 NISSAN TEANA ignition

HAC-70
< DTC/CIRCUIT DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
B2632, B2633 AIR MIX DOOR
MOTOR (DRIVER SIDE)
Is the inspection result normal?
YES >> Replace air mix door motor LH. Refer to HAC-109, "AIR MIX DOOR MOTOR : Removal and
Installation - Air Mix Door Motor (LH)".
NO >> Repair or replace malfunctioning part.
3.CHECK AIR MIX DOOR MOTOR LH COMMUNICATION SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect air mix door motor LH and A/C auto amp. connector.
3. Check continuity between air mix door motor LH harness connector and A/C auto amp. harness connec- tor.
Is the inspection result normal?
YES >> Replace A/C auto amp. Refer to HAC-102, "Removal and Installation".
NO >> Repair harness or connector.
Air mix door motor LH A/C auto amp. Continuity
Connector Terminal Connector Terminal
M128 3 M152 16 Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

B2634, B2635 AIR MIX DOOR MOTOR (PASSENGER SIDE)
HAC-71
< DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D E
F
G H
J
K L
M A
B
HAC
N
O P
B2634, B2635 AIR MIX DOOR MOTOR (PASSENGER SIDE)
DTC LogicINFOID:0000000009463141
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Turn ignition switch ON.
2. Using CONSULT, perform “SELF- DIAGNOSIS RESULTS” of HVAC.
3. Check if any DTC No. is displayed in the self-diagnosis results.
Is DTC detected?
YES >> Refer to HAC-71, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009463142
Regarding Wiring Diagram information, refer to HAC-34, "Wiring Diagram".
1.CHECK AIR MIX DOOR MOTOR RH COMMUNICATION SIGNAL
1. Turn ignition switch ON.
2. Check output waveform between front air mi x door motor RH harness connector and ground with the
oscilloscope.
Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 3.
2.CHECK INSTALLATION OF AIR MIX DOOR MOTOR RH
Check air mix door motor RH is properly installed. Refer to HAC-108, "Exploded View"
.
DTCItems
(CONSULT screen terms) DTC detection condition Possible cause
B2634
PASS AIR MIX DOOR MOT Air mix door motor RH PBR position
95% or more • Air mix door motor RH
(PBR internal circuit is open or short-
ed)
• Air mix door motor RH installation con-
dition
• A/C auto amp.
• Harness and connector
(LIN communication line is open or
shorted)
B2635
Air mix door motor RH PBR position
5% or less
+
−Output waveform
Air mix door motor RH
Connector Terminal
M129 3 Ground
SJIA1453J
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

HAC-72
< DTC/CIRCUIT DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
B2634, B2635 AIR MIX DOOR
MOTOR (PASSENGER SIDE)
Is the inspection result normal?
YES >> Replace air mix door motor RH. Refer to HAC-109, "AIR MIX DOOR MOTOR : Removal and
Installation - Air Mix Door Motor (RH)".
NO >> Repair or replace malfunctioning part.
3.CHECK AIR MIX DOOR MOTOR RH COMMUNICATION SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect air mix door motor RH and A/C auto amp. connector.
3. Check continuity between air mix door motor RH harness connector and A/C auto amp. harness connec- tor.
Is the inspection result normal?
YES >> Replace A/C auto amp. Refer to HAC-102, "Removal and Installation".
NO >> Repair harness or connector.
Air mix door motor RH A/C auto amp. Continuity
Connector Terminal Connector Terminal
M129 3 M152 16 Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

B2636, B2637, B2638, B2639, B2654, B2655 MODE DOOR MOTOR
HAC-73
< DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D E
F
G H
J
K L
M A
B
HAC
N
O P
B2636, B2637, B2638, B2639, B 2654, B2655 MODE DOOR MOTOR
DTC LogicINFOID:0000000009463143
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Turn ignition switch ON.
2. Using CONSULT, perform “SELF- DIAGNOSIS RESULTS” of HVAC.
3. Check if any DTC No. is displayed in the self-diagnosis results.
Is DTC detected?
YES >> Refer to HAC-73, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009463144
Regarding Wiring Diagram information, refer to HAC-34, "Wiring Diagram".
1.CHECK MODE DOOR MOTOR COMMUNICATION SIGNAL
1. Turn ignition switch ON.
2. Check output waveform between mode door motor harness connector and ground with the oscilloscope.
Is the inspection result normal?
YES >> GO TO 2.
DTC Items
(CONSULT screen terms) DTC detection condition Possible cause
B2636 DR VENT DOOR FAIL When the malfunctioning door position
is detected at VENT position
• Mode door motor(PBR internal circuit is open or short-
ed)
• Mode door motor control linkage in- stallation condition
• A/C auto amp.
• Harness and connector (LIN communication line is open or
shorted)
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 VENT DOOR FAIL When the malfunctioning door position
is detected at D/F position
B2655 B/L DOOR FAIL When the malfunctioning door position
is detected at B/L position
+
−Output waveform
Mode door motor
Connector Terminal
M127 3 Ground
SJIA1453J
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

HAC-74
< DTC/CIRCUIT DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
B2636, B2637, B2638,
B2639, B2654, B2655 MODE DOOR MOTOR
NO >> GO TO 3.
2.CHECK INSTALLATION OF MODE DOOR MOTOR
Check mode door motor is properly installed. Refer to HAC-108, "Exploded View"
.
Is the inspection result normal?
YES >> Replace mode door motor. Refer to HAC-109, "MODE DOOR MOTOR : Removal and Installa-
tion".
NO >> Repair or replace malfunctioning part.
3.CHECK MODE DOOR MOTOR COMMUNICATION SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect mode door motor and A/C auto amp. connector.
3. Check continuity between mode door motor har ness connector and A/C auto amp. harness connector.
Is the inspection result normal?
YES >> Replace A/C auto amp. Refer to HAC-102, "Removal and Installation".
NO >> Repair harness or connector.
Mode door motor A/C auto amp. Continuity
Connector Terminal Connector Terminal
M127 3 M152 16 Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

B263D, B263E, B263F INTAKE DOOR MOTOR
HAC-75
< DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D E
F
G H
J
K L
M A
B
HAC
N
O P
B263D, B263E, B263F INTAKE DOOR MOTOR
DTC LogicINFOID:0000000009463145
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Turn ignition switch ON.
2. Using CONSULT, perform “SELF- DIAGNOSIS RESULTS” of HVAC.
3. Check if any DTC No. is displayed in the self-diagnosis results.
Is DTC detected?
YES >> Refer to HAC-75, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009463146
Regarding Wiring Diagram information, refer to HAC-34, "Wiring Diagram".
1.CHECK INTAKE DOOR MOTOR COMMUNICATION SIGNAL
1. Turn ignition switch ON.
2. Check output waveform between intake door motor harness connector and ground with the oscilloscope.
Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 3.
2.CHECK INSTALLATION OF INTAKE DOOR MOTOR
Check intake door motor is properly installed. Refer to HAC-108, "Exploded View"
.
Is the inspection result normal?
DTC Items
(CONSULT screen terms) DTC detection condition Possible cause
B263D FRE DOOR FAIL When the malfunctioning intake door
position is detected at FRE position • Intake door motor
(PBR internal circuit is open or short-
ed)
• A/C auto amp.
• Harness and connector
(LIN communication line is open or
shorted)
B263E 20P FRE DOOR FAIL
When the malfunctioning intake door
position is detected at 20% FRE posi-
tion
B263F REC DOOR FAIL When the malfunctioning intake door
position is detected at REC position
+
−Output waveform
Intake door motor
Connector Terminal
M126 3 Ground
SJIA1453J
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

HAC-76
< DTC/CIRCUIT DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
B263D, B263E, B263F INTAKE DOOR MOTOR
YES >> Replace intake door motor. Refer to
HAC-109, "INTAKE DOOR MOTOR : Removal and Installa-
tion".
NO >> Repair or replace malfunctioning part.
3.CHECK INTAKE DOOR MOTOR CO MMUNICATION SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect intake door motor and A/C auto amp. connector.
3. Check continuity between intake door motor har ness connector and A/C auto amp. harness connector.
Is the inspection result normal?
YES >> Replace A/C auto amp. Refer to HAC-102, "Removal and Installation".
NO >> Repair harness or connector.
Intake door motor A/C auto amp. Continuity
Connector Terminal Connector Terminal
M126 3 M152 16 Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

B27B0 A/C AUTO AMP.HAC-77
< DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D E
F
G H
J
K L
M A
B
HAC
N
O P
B27B0 A/C AUTO AMP.
DTC LogicINFOID:0000000009463147
DTC DETECTION LOGIC
NOTE:
• If DTC is displayed along with DTC U1000, first per form the trouble diagnosis for DTC U1000. Refer to HAC-
55, "DTC Logic".
• If DTC is displayed along with DTC U1010, first per form the trouble diagnosis for DTC U1010. Refer to HAC-
56, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Turn ignition switch ON.
2. Using CONSULT, perform “SELF- DIAGNOSIS RESULTS” of HVAC.
3. Check if any DTC No. is displayed in the self-diagnosis results.
Is DTC detected?
YES >> Refer to HAC-77, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009463148
1.PERFORM SELF DIAGNOSTIC
With CONSULT
1. Turn ignition switch ON.
2. Select “Self Diagnostic Result” mode of “HVAC” using CONSULT.
3. Touch “ERASE”.
4. Turn ignition switch OFF.
5. Turn ignition switch ON.
6. Perform “DTC CONFIRMATION PROCEDURE”. Refer to HAC-77, "DTC Logic"
.
Is DTC detected again?
YES >> Replace A/C auto amp. Refer to HAC-102, "Removal and Installation".
NO >> Inspection End.
DTC Items
(CONSULT screen terms) DTC detection condition Possible cause
B27B0 A/C AUTO AMP. A/C auto amp. EEPROM
system is mal-
functioning. A/C auto amp.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM