Nissan Murano Z51. Instruction — part 881
B2632, B2633 AIR MIX DOOR MOTOR (DRIVER SIDE)
HAC-179
< DTC/CIRCUIT DIAGNOSIS >
[WITH 7 INCH DISPLAY]
C
D
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A
B
HAC
N
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B2632, B2633 AIR MIX DOOR MOTOR (DRIVER SIDE)
Description
INFOID:0000000005514722
COMPONENT DESCRIPTION
Air Mix Door Motor (Driver Side)
• The air mix door motor (driver side) (1) are attached to the heater
& cooling unit assembly.
• It rotates so that the air mix door is opened or closed to a position
set by the A/C auto amp.
• Motor rotation is then conveyed through a shaft and the air mix
door position feedback is then sent to the A/C auto amp. by PBR
built-in air mix door motor.
DTC Logic
INFOID:0000000005514723
DTC DETECTION LOGIC
NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to
DTC CONFIRMATION PROCEDURE
1.
CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT-III
1.
Using CONSULT-III, 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
Is DTC No.“B2632” or “B2633” displayed?
YES
>> Perform trouble diagnosis for the air mix door motor (driver side). Refer to
.
NO
>> GO TO 2.
2.
FUNCTION INSPECTION
1.
Press temperature control “UP” dial (driver side) until 32
°
C (90
°
F) is displayed.
2.
Check for warm air at discharge air outlets.
3.
Operate the compressor.
4.
Press temperature control “DOWN” dial (driver side) until 18
°
C (60
°
F) is displayed.
5.
Check for cool air at air discharge outlets.
Does it operate normally?
YES
>> END.
NO
>> Check air mix door motor (driver side) installation, and repair or replace the malfunctioning parts.
:
Vehicle front
JPIIA0515ZZ
DTC
Items
(CONSULT-III screen terms)
Diagnostic item is detected when...
Possible cause
B2632
DR AIRMIX ACTR SHORT
Air mix door PBR (driver side) position
95% or less
• Air mix door motor (PBR internal
circuit is open or shorted)
• A/C auto amp.
• Harness and connector
(LAN communication line is
open or shorted)
B2633
DR AIRMIX ACTR OPEN
Air mix door PBR (driver side) position
5% or more
HAC-180
< DTC/CIRCUIT DIAGNOSIS >
[WITH 7 INCH DISPLAY]
B2632, B2633 AIR MIX DOOR MOTOR (DRIVER SIDE)
Diagnosis Procedure
INFOID:0000000005514724
1.
CHECK POWER SUPPLY FOR AIR MIX DOOR MOTOR (DRIVER SIDE)
Check voltage between air mix door motor (driver side) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the harnesses or connectors.
2.
CHECK SIGNAL FOR AIR MIX DOOR MOTOR (DRIVER SIDE)
Check the output waveform (LAN signal) between air mix door motor (driver side) harness connector and
ground using an oscilloscope.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the harnesses or connectors.
3.
CHECK AIR MIX DOOR MOTOR (DRIVER SIDE) GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect air mix door motor (driver side) connector.
3.
Check continuity between air mix door motor (driver side) harness connector and ground.
Is the inspection result normal?
YES
>> Replace air mix door motor (driver side).
NO
>> Repair harness or connector.
(+)
(
−
)
Voltage
Air mix door motor (driver side)
—
Connector
Terminal
M306
1
Ground
Battery voltage
(+)
(
−
)
Voltage
Air mix door motor (driver side)
—
Connector
Terminal
M306
3
Ground
SJIA1453J
Air mix door motor (driver side)
—
Continuity
Connector
Terminal
M306
2
Ground
Existed
B2634, B2635 AIR MIX DOOR MOTOR (PASSENGER SIDE)
HAC-181
< DTC/CIRCUIT DIAGNOSIS >
[WITH 7 INCH DISPLAY]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
B2634, B2635 AIR MIX DOOR MOTOR (PASSENGER SIDE)
Description
INFOID:0000000005514725
COMPONENT DESCRIPTION
Air Mix Door Motor (Passenger Side)
• The air mix door motor (passenger side) (1) are attached to the
heater & cooling unit assembly.
• It rotates so that the air mix door is opened or closed to a position
set by the A/C auto amp.
• Motor rotation is then conveyed through a shaft and the air mix
door position feedback is then sent to the A/C auto amp. by PBR
built-in air mix door motor.
DTC Logic
INFOID:0000000005514726
DTC DETECTION LOGIC
NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to
DTC CONFIRMATION PROCEDURE
1.
CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT-III
1.
Using CONSULT-III, 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
Is DTC No.“B2634” or “B2635” displayed?
YES
>> Perform trouble diagnosis for the air mix door motor (passenger side). Refer to
.
NO
>> GO TO 2.
2.
FUNCTION INSPECTION
1.
Press temperature control “UP” dial (passenger side) until 32
°
C (90
°
F) is displayed.
2.
Check for warm air at discharge air outlets.
3.
Operate the compressor.
4.
Press temperature control “DOWN” dial (passenger side) until 18
°
C (60
°
F) is displayed.
5.
Check for cool air at air discharge outlets.
Does it operate normally?
YES
>> END.
NO
>> Check air mix door motor (passenger side) installation, and repair or replace the malfunctioning
parts.
:
Vehicle front
JPIIA0526ZZ
DTC
Items
(CONSULT-III screen terms)
Diagnostic item is detected when...
Possible cause
B2634
PASS AIRMIX ACTR SHORT
Air mix door PBR (passenger side) position
95% or less
• Air mix door motor (PBR internal
circuit is open or shorted)
• A/C auto amp.
• Harness and connector
(LAN communication line is open
or shorted)
B2635
PASS AIRMIX ACTR OPEN
Air mix door PBR (passenger side) position
5% or more
HAC-182
< DTC/CIRCUIT DIAGNOSIS >
[WITH 7 INCH DISPLAY]
B2634, B2635 AIR MIX DOOR MOTOR (PASSENGER SIDE)
Diagnosis Procedure
INFOID:0000000005514727
1.
CHECK POWER SUPPLY FOR AIR MIX DOOR MOTOR (PASSENGER SIDE)
Check voltage between air mix door motor (passenger side) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the harnesses or connectors.
2.
CHECK SIGNAL FOR AIR MIX DOOR MOTOR (PASSENGER SIDE)
Check the output waveform (LAN signal) between air mix door motor (passenger side) harness connector and
ground using an oscilloscope.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the harnesses or connectors.
3.
CHECK AIR MIX DOOR MOTOR (PASSENGER SIDE) GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect air mix door motor (passenger side) connector.
3.
Check continuity between air mix door motor (passenger side) harness connector and ground.
Is the inspection result normal?
YES
>> Replace air mix door motor (passenger side).
NO
>> Repair harness or connector.
(+)
(
−
)
Voltage
Air mix door motor (passenger side)
—
Connector
Terminal
M307
1
Ground
Battery voltage
(+)
(
−
)
Voltage
Air mix door motor (passenger side)
—
Connector
Terminal
M307
3
Ground
SJIA1453J
Air mix door motor (passenger side)
—
Continuity
Connector
Terminal
M307
2
Ground
Existed
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