2008 NISSAN TEANA Service Manual

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Page 2817 of 5121

NISSAN TEANA 2008 Service Manual B263D B263E, B263F, B2656 INTAKE DOOR MOTOR
HAC-189
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
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YES >> INSPECTION END
NO >> Check intake door motor installation, and

Page 2818 of 5121

NISSAN TEANA 2008 Service Manual HAC-190
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
B263D B263E, B263F, B2656 INTAKE DOOR MOTOR
YES >> Replace intake door motor.
NO >> Repair harness or connector.

Page 2819 of 5121

NISSAN TEANA 2008 Service Manual POWER SUPPLY AND GROUND CIRCUIT
HAC-191
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
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POWER SUPPLY AND GROUND CIRCUIT
A/C AUTO AMP.
A/C AUTO AMP. : Diagnosis ProcedureI

Page 2820 of 5121

NISSAN TEANA 2008 Service Manual HAC-192
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
A/C AUTO AMP.
A/C AUTO AMP.
DescriptionINFOID:0000000003941321
COMPONENT DESCRIPTION
A/C Auto Amp. (Air Conditioner Automatic Amplifier)
The A/C au

HAC-192
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
A/C AUTO AMP.
A/C AUTO AMP.
DescriptionINFOID:0000000003941321
COMPONENT DESCRIPTION
A/C Auto Amp. (Air Conditioner Automatic Amplifier)
The A/C auto amp. (1) has a built-in microcomputer that processes
information sent from various sensors needed for air conditioner
operation. The air mix door motors, the mode door motor, the intake
door motor, the blower motor and the compressor are then con-
trolled.
When the various switches and temperature control dial are oper-
ated, data is input to the A/C auto amp. from the A/C control.
Component Function CheckINFOID:0000000003940728
1.CHECK OPERATION
1. Press the AUTO switch, and then check that “AUTO” is shown on the display.
2. Operate the temperature control dial (driver side). Check that the fan speed or outlet changes. (The dis-
charge air temperature or fan speed varies depending on the ambient temperature, in-vehicle tempera-
ture, and temperature setting.)
Does it operate normally?
YES >> INSPECTION END
NO >> Perform trouble diagnosis for the A/C system. Refer to HAC-192, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000003940729
1.INSPECTION BY FAIL-SAFE FUNCTION
1. Turn the ignition switch ON.
2. After approximately 30 seconds, check that the air conditioner is operated by the fail-safe function (the
operation display of air conditioner is not performed). Refer to HAC-211, "
WITHOUT INTELLIGENT AIR
CONDITIONER SYSTEM : Fail-Safe" (WITHOUT INTELLIGENT AIR CONDITIONER SYSTEM) or HAC-
223, "WITH INTELLIGENT AIR CONDITIONER SYSTEM : Fail-Safe" (WITH INTELLIGENT AIR CONDI-
TIONER SYSTEM).
Is the fail-safe function operated?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK A/C AUTO AMP. POWER SUPPLY CIRCUIT AND GROUND
Check A/C auto amp. power supply circuit and ground circuit. Refer to HAC-192, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace parts according to the inspection results.
3.CHECK PRESET SWITCH
Check the preset switch. Refer to AV-164, "
Symptom Table" (BASE AUDIO AND DISPLAY SYSTEM), AV-372,
"Symptom Table" (BOSE AUDIO WITHOUT NAVIGATION) or AV-640, "Symptom Table" (BOSE AUDIO WITH
NAVIGATION).
Is the inspection result normal?
YES >> Replace the A/C auto amp.
NO >> Repair or replace parts according to the inspection results.
JPIIA0894ZZ

Page 2821 of 5121

NISSAN TEANA 2008 Service Manual BLOWER MOTOR
HAC-193
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
C
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BLOWER MOTOR
DescriptionINFOID:0000000003884772
COMPONENT DESCRIPTION
Brush-less Motor
The blower mot

Page 2822 of 5121

NISSAN TEANA 2008 Service Manual HAC-194
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
BLOWER MOTOR
OUT INTELLIGENT AIR CONDITIONER SYSTEM) or HAC-159, "WITH INTELLIGENT AIR CONDI-
TIONER SYSTEM : CONSULT-III Function" (WITH INTELLIGE

Page 2823 of 5121

NISSAN TEANA 2008 Service Manual BLOWER MOTOR
HAC-195
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
C
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Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair harness or connector.
6.CHECK A/C AUTO

Page 2824 of 5121

NISSAN TEANA 2008 Service Manual HAC-196
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
BLOWER MOTOR
Is the inspection result normal?
YES >> GO TO 9.
NO >> Replace the blower relay.
9.CHECK FUSE
Check 15A fuses (Nos. 21 and 22).
NOTE

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