2014 NISSAN TEANA Service Manual

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Page 2793 of 4801

NISSAN TEANA 2014 Service Manual
HAC-144
< DTC/CIRCUIT DIAGNOSIS >[MANUAL AIR CONDITIONER]
AIR MIX DOOR MOTOR
AIR MIX DOOR MOTOR
Diagnosis ProcedureINFOID:0000000009463212
1.CHECK AIR MIX DOOR MOTOR POWER SUPPLY
1. Turn ignition swi

Page 2794 of 4801

NISSAN TEANA 2014 Service Manual
AIR MIX DOOR MOTORHAC-145
< DTC/CIRCUIT DIAGNOSIS > [MANUAL AIR CONDITIONER]
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5.CHECK AIR MIX DOOR MOTOR POWER SUPPLY CIRCUIT FOR OPEN
1. Turn ignition switch OFF.

Page 2795 of 4801

NISSAN TEANA 2014 Service Manual
HAC-146
< DTC/CIRCUIT DIAGNOSIS >[MANUAL AIR CONDITIONER]
INTAKE DOOR MOTOR
INTAKE DOOR MOTOR
Diagnosis ProcedureINFOID:0000000009463213
1.CHECK INTAKE DOOR MOTOR POWER SUPPLY
1. Turn ignition switch

Page 2796 of 4801

NISSAN TEANA 2014 Service Manual
INTAKE DOOR MOTORHAC-147
< DTC/CIRCUIT DIAGNOSIS > [MANUAL AIR CONDITIONER]
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5.CHECK INTAKE DOOR MOTOR POWER SUPPLY CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2

Page 2797 of 4801

NISSAN TEANA 2014 Service Manual
HAC-148
< DTC/CIRCUIT DIAGNOSIS >[MANUAL AIR CONDITIONER]
BLOWER MOTOR
BLOWER MOTOR
Diagnosis ProcedureINFOID:0000000009463214
Regarding Wiring Diagram information, refer to
HAC-130, "Wiring Diagram

Page 2798 of 4801

NISSAN TEANA 2014 Service Manual
BLOWER MOTORHAC-149
< DTC/CIRCUIT DIAGNOSIS > [MANUAL AIR CONDITIONER]
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1. Reconnect blower motor connector and front air control connector.
2. Turn ignition swit

BLOWER MOTORHAC-149
< DTC/CIRCUIT DIAGNOSIS > [MANUAL AIR CONDITIONER]
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1. Reconnect blower motor connector and front air control connector.
2. Turn ignition switch ON.
3. Operate MODE switch to set air outlet to VENT.
4. Change fan speed from Lo to Hi, and check duty ratios between blower motor harness connector and
ground by using an oscilloscope.
NOTE:
Calculate drive signal duty ratio as shown in the figure.
T2 = Approx. 1.6 ms
Is the inspection result normal?
YES >> Replace blower motor. Refer to VTL-13, "BLOWER MOTOR : Removal and Installation".
NO >> Replace front air control. Refer to HAC-102, "Removal and Installation"
.
6.CHECK BLOWER MOTOR RELAY GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between fuse bl ock (J/B) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 7.
NO >> Repair harness or connector.
7.CHECK FRONT BLOWER MOTOR RELAY
Check front blower motor relay. Refer to HAC-149, "Component Inspection (Front Blower Motor Relay)"
.
Is the inspection result normal?
YES >> Repair harness or connector between blower motor and fuse block (J/B).
NO >> Replace front blower motor relay.
Component Inspection (Blower Motor)INFOID:0000000009463215
1.CHECK BLOWER MOTOR
1. Connect battery voltage to terminal 1 of blower motor.
2. Connect ground to terminal 2 of blower motor.
Does the blower fan operate?
YES >> Intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Replace blower motor. Refer to VTL-13, "BLOWER MOTOR : Removal and Installation"
.
Component Inspection (Front Blower Motor Relay)INFOID:0000000009463216
1.CHECK BLOWER RELAY
1. Turn ignition switch OFF.
2. Remove front blower motor relay.
Blower motor Condition Duty ratio
(Approx.)
Connector Terminal Fan speed (manual)
VENT mode
M31 17 1st 25 %
2nd 33 % 3rd 41 %4th 51 %
5th 61 %
6th 69 %
7th 81 %
JPLIA1210GB
Fuse block (J/B) —Continuity
Connector Terminal
M4 13R Ground Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 2799 of 4801

NISSAN TEANA 2014 Service Manual
HAC-150
< DTC/CIRCUIT DIAGNOSIS >[MANUAL AIR CONDITIONER]
BLOWER MOTOR
3. Check continuity between front blower motor relay terminals 3
and 5 when voltage is supplied between terminals 1 and 2.
Is t

Page 2800 of 4801

NISSAN TEANA 2014 Service Manual
MAGNET CLUTCHHAC-151
< DTC/CIRCUIT DIAGNOSIS > [MANUAL AIR CONDITIONER]
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MAGNET CLUTCH
Component Function CheckINFOID:0000000009463217
1.CHECK MAGNET CLUTCH OPERATI

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