Nissan Murano. Manual — part 821
HAC-58
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
B2632, B2633 AIR MIX DOOR MOTOR (DRIVER SIDE)
B2632, B2633 AIR MIX DOOR MOTOR (DRIVER SIDE)
Description
INFOID:0000000009722073
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:0000000009722074
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
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
.
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” switch (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” switch (driver side) until 18
°
C (60
°
F) is displayed.
5.
Check for cool air at air discharge outlets.
Does it operate normally?
YES
>> INSPECTION END
NO
>> Check air mix door motor (driver side) installation, and repair or replace the malfunctioning parts.
:
Vehicle front
JPIIA0515ZZ
DTC
Items
(CONSULT screen terms)
Diagnostic item is detected when...
Possible cause
B2632
DR AIR MIX DOOR MOT
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
Air mix door PBR (driver side) position
5% or more
B2632, B2633 AIR MIX DOOR MOTOR (DRIVER SIDE)
HAC-59
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Diagnosis Procedure
INFOID:0000000009722075
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
HAC-60
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
B2634, B2635 AIR MIX DOOR MOTOR (PASSENGER SIDE)
B2634, B2635 AIR MIX DOOR MOTOR (PASSENGER SIDE)
Description
INFOID:0000000009722076
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:0000000009722077
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
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
.
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” switch (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” switch (passenger side) until 18
°
C (60
°
F) is displayed.
5.
Check for cool air at air discharge outlets.
Does it operate normally?
YES
>> INSPECTION END
NO
>> Check air mix door motor (passenger side) installation, and repair or replace the malfunctioning
parts.
:
Vehicle front
JPIIA0526ZZ
DTC
Items
(CONSULT screen terms)
Diagnostic item is detected when...
Possible cause
B2634
PASS AIR MIX DOOR MOT
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
Air mix door PBR (passenger side) position
5% or more
B2634, B2635 AIR MIX DOOR MOTOR (PASSENGER SIDE)
HAC-61
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Diagnosis Procedure
INFOID:0000000009722078
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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