2008 NISSAN TEANA Service Manual

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Page 2665 of 5121

NISSAN TEANA 2008 Service Manual CAN COMMUNICATION SYSTEM
HAC-37
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CAN COMMUNICATION SYSTEM
System DescriptionINFOID:0000000003846319
CAN (Controller Area

Page 2666 of 5121

NISSAN TEANA 2008 Service Manual HAC-38
< FUNCTION DIAGNOSIS >[WITHOUT 7 INCH DISPLAY]
DIAGNOSIS SYSTEM (HVAC)
DIAGNOSIS SYSTEM (HVAC)
CONSULT-III FunctionINFOID:0000000003846320
CONSULT-III can display each diagnosis item using the

HAC-38
< FUNCTION DIAGNOSIS >[WITHOUT 7 INCH DISPLAY]
DIAGNOSIS SYSTEM (HVAC)
DIAGNOSIS SYSTEM (HVAC)
CONSULT-III FunctionINFOID:0000000003846320
CONSULT-III can display each diagnosis item using the diagnosis test modes shown as per the following.
CONSULT-III application items
SELF DIAGNOSTIC RESULT
Refer to HAC-85, "DTC Index".
Display Item List
Diagnosis mode Description
ECU Identification Displays the A/C auto amp. number.
Self Diagnostic Result Displays the diagnosis results judged by A/C auto amp.
Data Monitor Displays A/C auto amp. input/output data in real time.
Active Test The signals used to activate each device are forcibly supplied from A/C auto amp.
Work SupportChanges the setting for each system function.
Temperature setting trimmer
Inlet port memory function (FRE)
Inlet port memory function (REC)
Foot position setting trimmer
DTCItems
(CONSULT-III screen terms)Diagnostic item is detected when... Possible cause
U1000 CAN COMM CIRCUITWhen A/C auto amp. is not transmitting
or receiving CAN communication signal
for 2 or more seconds.CAN communication system
U1010 CONTROL UNIT (CAN)When detecting error during the initial
diagnosis of CAN controller of A/C auto
amp.A/C auto amp.
B257B AMB TEMP SEN (SHORT)Detected temperature at ambient sen-
sor −44°C (−47°F) or less Ambient sensor
A/C auto amp.
Harness and connector
(Ambient sensor circuit is open,
or there is a short in the circuit) B257C AMB TEMP SEN (OPEN)Detected temperature at ambient sen-
sor 100°C (212°F) or more
B2578IN CAR SENSOR (OUT OF RANGE
[LOW])Detected temperature at in-vehicle sen-
sor −44°C (−47°F) or less In-vehicle sensor
A/C auto amp.
Harness and connector
(In-vehicle sensor circuit is open,
or there is a short in the circuit) B2579IN CAR SENSOR (OUT OF RANGE
[HI])Detected temperature at in-vehicle sen-
sor 100°C (212°F) or more
B2581 EVAP TEMP SEN (SHORT)Detected temperature at intake sensor
−33°C (−27°F) or less Intake sensor
A/C auto amp.
Harness and connector
(Intake sensor circuit is open, or
there is a short in the circuit) B2582 EVAP TEMP SEN (OPEN)Detected temperature at intake sensor
69°C (156°F) or more
B2630
*SUNLOAD SEN (SHORT)Detected calorie at sunload sensor 64.7
w/m2 (30 kcal/m2·h) or less Sunload sensor
A/C auto amp.
Harness and connector
(Sunload sensor circuit is open,
or there is a short in the circuit) B2631
*SUNLOAD SEN (OPEN)Detected calorie at sunload sensor
2832 w/m2 (1304 kcal/m2·h) or more
B2632 DR AIRMIX ACTR (SHORT)Air mix door PBR (driver side) position
5% or less Air mix door motor (driver side)
A/C auto amp.
Harness and connector
(CAN communication line is open
or shorted)
(Air mix door motor is open or
shorted) B2633 DR AIRMIX ACTR (OPEN)Air mix door PBR (driver side) position
95% or more

Page 2667 of 5121

NISSAN TEANA 2008 Service Manual DIAGNOSIS SYSTEM (HVAC)
HAC-39
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*: Perform self-diagnosis under sunshine. When performing indoors, aim a light (more than

DIAGNOSIS SYSTEM (HVAC)
HAC-39
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*: Perform self-diagnosis under sunshine. When performing indoors, aim a light (more than 60 W) at sunload sensor, otherwise self-diag-
nosis indicates even though the sunload sensor is functioning normally.
DATA MONITOR
Display item list
B2634 PASS AIRMIX ACTR (SHORT)Air mix door PBR (passenger side) po-
sition 5% or less Air mix door motor (passenger
side)
A/C auto amp.
Harness and connector
(CAN communication line is open
or shorted)
(Air mix door motor is open or
shorted) B2635 PASS AIRMIX ACTR (OPEN)Air mix door PBR (passenger side) po-
sition 95% or more
B2636 DR VENT DOOR FAILWhen the malfunctioning door position
is detected at VENT position
Mode door motor
A/C auto amp.
Harness and connector
(CAN communication line is open
or shorted)
(Mode door motor is open or
shorted) B2637 DR B/L DOOR FAILWhen the malfunctioning door position
is detected at B/L position
B2638 DR D/F1 DOOR FAILWhen the malfunctioning door position
is detected at FOOT position
B2639 DR DEF DOOR FAILWhen the malfunctioning door position
is detected at DEF position
B263D FRE DOOR FAILWhen the malfunctioning intake door
position 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 FAILWhen the malfunctioning intake door
position is detected at 20% FRE posi-
tion
B263F REC DOOR FAILWhen the malfunctioning intake door
position is detected at REC position
B2654 D/F2 DOOR FAILWhen the malfunctioning door position
is detected at D/F position Mode door motor
A/C auto amp.
Harness and connector
(CAN communication line is open
or shorted)
(Mode door motor is open or
shorted) B2655 B/L2 DOOR FAILWhen the malfunctioning door position
is detected at B/L2 position
B2656 BTC FRE DOOR FAILWhen the malfunctioning intake door
position is detected Intake door motor
A/C auto amp.
Harness and connector
(CAN communication line is open
or shorted)
(Intake door motor is open or
shorted) DTCItems
(CONSULT-III screen terms)Diagnostic item is detected when... Possible cause
Monitor item [Unit] Description
COMP REQ SIG [On/Off] Displays A/C switch ON/OFF status transmitted to other units via CAN communication
FAN REQ SIG [On/Off]Displays blower switch ON/OFF status transmitted to other units via CAN communica-
tion
AMB TEMP SEN [°C]Ambient sensor value converted from ambient sensor signal received from ambient
sensor
IN-VEH TEMP [°C]In-vehicle sensor value converted from in-vehicle sensor signal received from in-vehi-
cle sensor
INT TEMP SEN [°C] Intake sensor value converted from intake sensor signal received from intake sensor
SUNLOAD SEN
[w/m
2]Sunload sensor value converted from sunload sensor signal received from sunload
sensor
AMB SEN CAL [°C] Ambient sensor value calculated by A/C auto amp.
IN-VEH CAL [°C] In-vehicle sensor value calculated by A/C auto amp.

Page 2668 of 5121

NISSAN TEANA 2008 Service Manual HAC-40
< FUNCTION DIAGNOSIS >[WITHOUT 7 INCH DISPLAY]
DIAGNOSIS SYSTEM (HVAC)
ACTIVE TEST
HVAC TEST
NOTE:
Perform the inspection of each output device after starting the engine because the compresso

Page 2669 of 5121

NISSAN TEANA 2008 Service Manual DIAGNOSIS SYSTEM (HVAC)
HAC-41
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NOTE:
When the battery cable is disconnected from the negative terminal or when the batte

Page 2670 of 5121

NISSAN TEANA 2008 Service Manual HAC-42
< COMPONENT DIAGNOSIS >[WITHOUT 7 INCH DISPLAY]
U1000 CAN COMM CIRCUIT
COMPONENT DIAGNOSIS
U1000 CAN COMM CIRCUIT
DescriptionINFOID:0000000003846322
CAN (Controller Area Network) is a serial co

Page 2671 of 5121

NISSAN TEANA 2008 Service Manual U1010 CONTROL UNIT (CAN)
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U1010 CONTROL UNIT (CAN)
DescriptionINFOID:0000000003846325
Initial diagnosis of A/C au

Page 2672 of 5121

NISSAN TEANA 2008 Service Manual HAC-44
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B257B, B257C AMBIENT SENSOR
B257B, B257C AMBIENT SENSOR
DescriptionINFOID:0000000003846328
COMPONENT DESCRIPTION
Ambient Sensor
The ambient sen

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