2014 NISSAN TEANA Service Manual

rear view mirror oil additives checking oil infotainment check transmission fluid alternator belt

Page 2737 of 4801

NISSAN TEANA 2014 Service Manual
HAC-88
< DTC/CIRCUIT DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
A/C SWITCH ASSEMBLY SIGNAL CIRCUIT
A/C SWITCH ASSEMBL
Y SIGNAL CIRCUIT
Diagnosis ProcedureINFOID:0000000009463161
Regarding Wiring Diagram

HAC-88
< DTC/CIRCUIT DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
A/C SWITCH ASSEMBLY SIGNAL CIRCUIT
A/C SWITCH ASSEMBL
Y SIGNAL CIRCUIT
Diagnosis ProcedureINFOID:0000000009463161
Regarding Wiring Diagram information, refer to HAC-34, "Wiring Diagram".
1.CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT
1. Using CONSULT, perform “SELF- DIAGNOSIS RESULTS” of HVAC.
2. Check if any DTC No. 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 HAC-
55, "DTC Logic" or HAC-56, "DTC Logic".
Is any DTC No. displayed?
YES >> Perform diagnosis for the applicable DTC. Refer to HAC-31, "DTC Index".
NO >> GO TO 2.
2.CHECK TX (A/C SWITCH ASSEMBLY → A/C AUTO AMP.) CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect the A/C switch assembly and the A/C auto amp. connectors.
3. Check continuity between A/C switch assembly harness connector M79 terminal 10 and A/C auto amp.
harness connector M152 terminal 24.
4. Check continuity between A/C switch assembly harness connector M79 terminal 10 and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair harness or connector.
3.CHECK RX (A/C AUTO AMP. → A/C SWITCH ASSEMBLY) CIRCUIT CONTINUITY
1. Check continuity between A/C switch assembly harness connector M79 terminal 9 and A/C auto amp. harness connector M152 terminal 4.
2. Check continuity between A/C switch assembly harness connector M79 terminal 9 and ground.
Is the inspection result normal?
YES >> Perform trouble diagnosis for the A/C switch assembly. Refer to HAC-83, "A/C SWITCH ASSEM-
BLY : Diagnosis Procedure".
NO >> Repair harness or connector.
A/C switch assembly A/C auto amp. Continuity
Connector Terminal Connector Terminal
M79 10 M152 24 Yes
A/C switch assembly —Continuity
Connector Terminal
M79 10 Ground No
A/C switch assembly A/C auto amp. Continuity
Connector Terminal Connector Terminal
M79 9 M152 4 Yes
A/C switch assembly —Continuity
Connector Terminal
M79 9 Ground No
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 2738 of 4801

NISSAN TEANA 2014 Service Manual
DOOR MOTORHAC-89
< DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D E
F
G H
J
K L
M A
B
HAC
N
O P
DOOR MOTOR
Diagnosis ProcedureINFOID:0000000009463162
Regarding Wiring Diagram information,

Page 2739 of 4801

NISSAN TEANA 2014 Service Manual
HAC-90
< DTC/CIRCUIT DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
DOOR MOTOR
Is the inspection result normal?
YES >> Replace A/C auto amp. Refer to
HAC-102, "Removal and Installation".
NO >> Repair harnes

Page 2740 of 4801

NISSAN TEANA 2014 Service Manual
DOOR MOTOR COMMUNICATION CIRCUITHAC-91
< DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D E
F
G H
J
K L
M A
B
HAC
N
O P
DOOR MOTOR COMMUNI CATION CIRCUIT
Diagnosis ProcedureINFOID:0000000009

Page 2741 of 4801

NISSAN TEANA 2014 Service Manual
HAC-92
< DTC/CIRCUIT DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
ECV (ELECTRICAL CONTROL VALVE)
ECV (ELECTRICAL CONTROL VALVE)
Diagnosis ProcedureINFOID:0000000009463164
1.CHECK ECV (ELECTRICAL CONT
ROL V

Page 2742 of 4801

NISSAN TEANA 2014 Service Manual
ECV (ELECTRICAL CONTROL VALVE)
HAC-93
< DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D E
F
G H
J
K L
M A
B
HAC
N
O P
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair harness

Page 2743 of 4801

NISSAN TEANA 2014 Service Manual
HAC-94
< SYMPTOM DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
HEATER AND AIR CONDITIONING
SYSTEM CONTROL SYMPTOMS
SYMPTOM DIAGNOSIS
HEATER AND AIR CONDITIONING SYSTEM CONTROL SYMPTOMS
Diagnosis Chart By S

HAC-94
< SYMPTOM DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
HEATER AND AIR CONDITIONING
SYSTEM CONTROL SYMPTOMS
SYMPTOM DIAGNOSIS
HEATER AND AIR CONDITIONING SYSTEM CONTROL SYMPTOMS
Diagnosis Chart By SymptomINFOID:0000000009463166
NOTE:
Perform the self-diagnoses with CONSULT before perfo rming the symptom diagnosis. If DTC is detected, per-
form the corresponding diagnosis.
Symptom Corresponding malfunction part Reference
• Air conditioning does not activate.
• Air conditioning cannot be controlled.
• Operation status of air conditioning is not indicated on display. • A/C auto amp. ignition power supply
circuit
• Front A/C control (A/C auto amp.) HAC-78, "A/C AUTO AMP. : Diag-
nosis Procedure"
• Air outlet does not change.
• Mode door motor does not operate normally. • Circuit between mode door motor
and A/C auto amp.
• Mode door motor control linkage
• Mode door motor
• A/C auto amp. HAC-80, "MODE DOOR MOTOR :
Diagnosis Procedure"
• Discharge air temperature of driver side does not
change.
• Air mix door motor LH does not operate normally. • Circuit between air mix door motor
LH and A/C auto amp.
• Air mix door motor LH installation condition
• Air mix door motor LH
• A/C auto amp. HAC-78, "AIR MIX DOOR MOTOR
(DRIVER SIDE) : Diagnosis Proce-
dure"
• Discharge air temperature of passenger side does
not change.
• Air mix door motor RH does not operate normally. • Circuit between air mix door motor
RH and A/C auto amp.
• Air mix door motor RH installation condition
• Air mix door motor RH
• A/C auto amp. HAC-79, "AIR MIX DOOR MOTOR
(PASSENGER SIDE) : Diagnosis
Procedure"
• Intake door does not change.
• Intake door motor does not operate normally. • Circuit between intake door motor
and A/C auto amp.
• Intake door motor control linkage
• Intake door motor
• A/C auto amp. HAC-81, "INTAKE DOOR MOTOR :
Diagnosis Procedure"
All door motors do not operate normally.
• Each door motor power supply and
ground circuit
• A/C auto amp. HAC-89, "Diagnosis Procedure"
Blower motor operation is malfunctioning. • Power supply system of front blower
motor
• Circuit between front blower motor
and A/C auto amp.
• Front blower motor
• A/C auto amp. HAC-84, "Diagnosis Procedure"
Compressor does not operate. • Circuit between magnet clutch and
IPDM E/R
• Magnet clutch
• IPDM E/R (A/C relay)
• Circuit between ECM and refriger- ant pressure sensor
• Refrigerant pressure sensor
• CAN communication circuit
• A/C auto amp. HAC-87, "Diagnosis Procedure"
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 2744 of 4801

NISSAN TEANA 2014 Service Manual
HEATER AND AIR CONDITIONING SYSTEM CONTROL SYMPTOMS
HAC-95
< SYMPTOM DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D E
F
G H
J
K L
M A
B
HAC
N
O P
• Insufficient cooling.
• No cool air comes out.

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