Juke F15 (2012 year). Service Repair Manual — part 243
B2578, B2579 IN-VEHICLE SENSOR
HAC-143
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
B2578, B2579 IN-VEHICLE SENSOR
DTC Logic
INFOID:0000000006548586
DTC DETECTION LOGIC
NOTE:
• If DTC is displayed along with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “HVAC” using CONSULT-III.
3.
Check DTC.
Is DTC detected?
YES
>> Refer to
HAC-143, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006546695
1.
CHECK IN-VEHICLE SENSOR POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect in-vehicle sensor connector.
3.
Turn ignition switch ON.
4.
Check voltage between in-vehicle sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 4.
2.
CHECK IN-VEHICLE SENSOR GROUND CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect A/C auto amp. connector.
3.
Check continuity between in-vehicle sensor harness connector and A/C auto amp harness connector.
Is the inspection result normal?
DTC
Items
(CONSULT-III screen terms)
DTC detection condition
Possible cause
B2578
IN-VEHICLE SENSOR
The in-vehicle sensor recognition temperature
is too high.
• In-vehicle sensor
• A/C auto amp.
• Harness or connectors
(The sensor circuit is open or short-
ed.)
B2579
The in-vehicle sensor recognition temperature
is too low.
+
−
Voltage
(Approx.)
In-vehicle sensor
Connector
Terminal
M41
1
Ground
5 V
In-vehicle sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M41
2
M59
26
Existed
HAC-144
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
B2578, B2579 IN-VEHICLE SENSOR
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK IN-VEHICLE SENSOR
Check in-vehicle sensor. Refer to
HAC-147, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-188, "Removal and Installation"
.
NO
>> Replace in-vehicle sensor. Refer to
HAC-190, "Removal and Installation"
.
4.
CHECK IN-VEHICLE SENSOR POWER SUPPLY CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect A/C auto amp. connector.
3.
Check continuity between in-vehicle sensor harness connector and A/C auto amp. harness connector.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair harness or connector.
5.
CHECK IN-VEHICLE SENSOR POWER SUPPLY CIRCUIT FOR SHORT
Check continuity between in-vehicle sensor harness connector and ground.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-188, "Removal and Installation"
.
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000006546696
1.
CHECK IN-VEHICLE SENSOR
1.
Remove in-vehicle sensor. Refer to
HAC-190, "Removal and Installation"
2.
Check resistance between in-vehicle sensor terminals. Refer to applicable table for the normal value.
In-vehicle sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M41
1
M59
27
Existed
In-vehicle sensor
—
Continuity
Connector
Terminal
M41
1
Ground
Not existed
B2578, B2579 IN-VEHICLE SENSOR
HAC-145
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
C
D
E
F
G
H
J
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M
A
B
HAC
N
O
P
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace in-vehicle sensor. Refer to
HAC-190, "Removal and Installation"
.
Terminal
Condition
Resistance: k
Ω
Temperature:
°
C (
°
F)
1
2
−
15 (5)
12.73
−
10 (14)
9.92
−
5 (23)
7.80
0 (32)
6.19
5 (41)
4.95
10 (50)
3.99
15 (59)
3.24
20 (68)
2.65
25 (77)
2.19
30 (86)
1.81
35 (95)
1.51
40 (104)
1.27
45 (113)
1.07
HAC-146
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
B257B, B257C AMBIENT SENSOR
B257B, B257C AMBIENT SENSOR
DTC Logic
INFOID:0000000006548587
DTC DETECTION LOGIC
NOTE:
• If DTC is displayed along with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010.
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “HVAC” using CONSULT-III.
3.
Check DTC.
Is DTC detected?
YES
>> Refer to
HAC-146, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006546693
1.
CHECK AMBIENT SENSOR POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect ambient sensor connector.
3.
Turn ignition switch ON.
4.
Check voltage between ambient sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 4.
2.
CHECK AMBIENT SENSOR GROUND CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect A/C auto amp. connector.
3.
Check continuity between ambient sensor harness connector and A/C auto amp harness connector.
Is the inspection result normal?
DTC
Items
(CONSULT-III screen terms)
DTC detection condition
Possible cause
B257B
AMBIENT SENSOR
The ambient sensor recognition temperature is
too high.
• Ambient sensor
• A/C auto amp.
• Harness or connectors
(The sensor circuit is open or short-
ed.)
B257C
The ambient sensor recognition temperature is
too low.
+
−
Voltage
(Approx.)
Ambient sensor
Connector
Terminal
E53
1
Ground
5 V
Ambient sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
E53
2
M59
26
Existed
B257B, B257C AMBIENT SENSOR
HAC-147
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
C
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A
B
HAC
N
O
P
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK AMBIENT SENSOR
Check ambient sensor. Refer to
HAC-147, "Component Inspection"
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-188, "Removal and Installation"
.
NO
>> Replace ambient sensor. Refer to
HAC-189, "Removal and Installation"
4.
CHECK AMBIENT SENSOR POWER SUPPLY CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect A/C auto amp. connector.
3.
Check continuity between ambient sensor harness connector and A/C auto amp. harness connector.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair harness or connector.
5.
CHECK AMBIENT SENSOR POWER SUPPLY CIRCUIT FOR SHORT
Check continuity between ambient sensor harness connector and ground.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-188, "Removal and Installation"
.
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000006546694
1.
CHECK AMBIENT SENSOR
1.
Remove ambient sensor. Refer to
HAC-189, "Removal and Installation"
.
2.
Check resistance between ambient sensor terminals. Refer to applicable table for the normal value.
Ambient sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
E53
1
M59
7
Existed
Ambient sensor
—
Continuity
Connector
Terminal
E53
1
Ground
Not existed
HAC-148
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
B257B, B257C AMBIENT SENSOR
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace ambient sensor. Refer to
HAC-189, "Removal and Installation"
Terminal
Condition
Resistance: k
Ω
Temperature:
°
C (
°
F)
1
2
−
15 (5)
12.73
−
10 (14)
9.92
−
5 (23)
7.80
0 (32)
6.19
5 (41)
4.95
10 (50)
3.99
15 (59)
3.24
20 (68)
2.65
25 (77)
2.19
30 (86)
1.81
35 (95)
1.51
40 (104)
1.27
45 (113)
1.07
B2581, B2582 INTAKE SENSOR
HAC-149
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
C
D
E
F
G
H
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K
L
M
A
B
HAC
N
O
P
B2581, B2582 INTAKE SENSOR
DTC Logic
INFOID:0000000006548588
DTC DETECTION LOGIC
NOTE:
• If DTC is displayed along with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010.
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “HVAC” using CONSULT-III.
3.
Check DTC.
Is DTC detected?
YES
>> Refer to
HAC-149, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006546697
1.
CHECK INTAKE SENSOR POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect intake sensor connector.
3.
Turn ignition switch ON.
4.
Check voltage between intake sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 4.
2.
CHECK INTAKE SENSOR GROUND CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect A/C auto amp. connector.
3.
Check continuity between intake sensor harness connector and A/C auto amp harness connector.
Is the inspection result normal?
DTC
Items
(CONSULT-III screen terms)
DTC detection condition
Possible cause
B2581
INTAKE SENSOR
The intake sensor recognition temperature is
too high.
• Intake sensor
• A/C auto amp.
• Harness or connectors
(The sensor circuit is open or short-
ed.)
B2582
The intake sensor recognition temperature is
too low.
+
−
Voltage
(Approx.)
Intake sensor
Connector
Terminal
M64
1
Ground
5 V
Intake sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M64
2
M59
26
Existed
HAC-150
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
B2581, B2582 INTAKE SENSOR
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK INTAKE SENSOR
Check intake sensor. Refer to
HAC-147, "Component Inspection"
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-188, "Removal and Installation"
.
NO
>> Replace intake sensor. Refer to
HAC-192, "Removal and Installation"
4.
CHECK INTAKE SENSOR POWER SUPPLY CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect A/C auto amp. connector.
3.
Check continuity between intake sensor harness connector and A/C auto amp. harness connector.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair harness or connector.
5.
CHECK INTAKE SENSOR POWER SUPPLY CIRCUIT FOR SHORT
Check continuity between intake sensor harness connector and ground.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-188, "Removal and Installation"
.
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000006546698
1.
CHECK INTAKE SENSOR
1.
Remove intake sensor. Refer to
HAC-192, "Removal and Installation"
.
2.
Check resistance between intake sensor terminals. Refer to applicable table for the normal value.
Intake sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M64
1
M59
28
Existed
Intake sensor
—
Continuity
Connector
Terminal
M64
1
Ground
Not existed
B2581, B2582 INTAKE SENSOR
HAC-151
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace intake sensor. Refer to
HAC-192, "Removal and Installation"
Terminal
Condition
Resistance: k
Ω
Temperature:
°
C (
°
F)
1
2
−
15 (5)
12.34
−
10 (14)
9.62
−
5 (23)
7.56
0 (32)
6.00
5 (41)
4.80
10 (50)
3.87
15 (59)
3.15
20 (68)
2.57
25 (77)
2.12
30 (86)
1.76
35 (95)
1.47
40 (104)
1.23
45 (113)
1.04
HAC-152
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
B2630, B2631 SUNLOAD SENSOR
B2630, B2631 SUNLOAD SENSOR
DTC Logic
INFOID:0000000006548589
DTC DETECTION LOGIC
NOTE:
• If DTC is displayed along with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010.
.
• Sunload sensor may register a malfunction when indoors, at dusk, or at other times when light is insufficient.
When performing the diagnosis indoors, use a lamp (60 W or more) that is pointed at the sunload sensor.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “HVAC” using CONSULT-III.
3.
Check DTC.
Is DTC detected?
YES
>> Refer to
HAC-152, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006546699
1.
CHECK SUNLOAD SENSOR POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect sunload sensor connector.
3.
Turn ignition switch ON.
4.
Check voltage between sunload sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 4.
2.
CHECK SUNLOAD SENSOR GROUND CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect A/C auto amp. connector.
3.
Check continuity between sunload sensor harness connector and A/C auto amp harness connector.
DTC
Items
(CONSULT-III screen terms)
DTC detection condition
Possible cause
B2630
SUNLOAD SENSOR
Detected calorie at sunload sensor 1677 W/m
2
(1442 kcal/m
2
·h) or more.
• Sunload sensor
• A/C auto amp.
• Harness or connectors
(The sensor circuit is open or short-
ed.)
B2631
Detected calorie at sunload sensor 33 W/m
2
(28
kcal/m
2
·h) or less.
+
−
Voltage
(Approx.)
Sunload sensor
Connector
Terminal
M72
1
Ground
5 V
Sunload sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M72
2
M59
26
Existed
B2630, B2631 SUNLOAD SENSOR
HAC-153
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK SUNLOAD SENSOR
1.
Disconnect A/C auto amp. connector.
2.
Check sunload sensor. Refer to
HAC-147, "Component Inspection"
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-188, "Removal and Installation"
.
NO
>> Replace sunload sensor. Refer to
HAC-191, "Removal and Installation"
4.
CHECK SUNLOAD SENSOR POWER SUPPLY CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect A/C auto amp. connector.
3.
Check continuity between sunload sensor harness connector and A/C auto amp. harness connector.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair harness or connector.
5.
CHECK SUNLOAD SENSOR POWER SUPPLY CIRCUIT FOR SHORT
Check continuity between sunload sensor harness connector and ground.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-188, "Removal and Installation"
.
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000006546700
1.
CHECK SUNLOAD SENSOR
1.
Turn ignition switch ON.
2.
Check voltage between A/C auto amp. harness connector and ground. Refer to applicable table for the
normal value.
Sunload sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M72
1
M59
9
Existed
Sunload sensor
—
Continuity
Connector
Terminal
M72
1
Ground
Not existed
+
−
A/C auto amp.
Connector
Terminal
M59
18
Ground
HAC-154
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
B2630, B2631 SUNLOAD SENSOR
NOTE:
• When checking indoors, use a lamp of approximately 60 W. Move the lamp towards and away from the
sensor to check.
• The sunload amount produced by direct sunshine in fair weather is equivalent to approximately 0.77
kW/m
2
(662 kcal/m
2
·h).
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace sunload sensor. Refer to
HAC-191, "Removal and Installation"
JPIIA1659GB
B2632, B2633 AIR MIX DOOR MOTOR PBR
HAC-155
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
C
D
E
F
G
H
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K
L
M
A
B
HAC
N
O
P
B2632, B2633 AIR MIX DOOR MOTOR PBR
DTC Logic
INFOID:0000000006548590
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “HVAC” using CONSULT-III.
3.
Check DTC.
Is DTC detected?
YES
>> Refer to
HAC-155, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006546701
1.
CHECK AIR MIX DOOR MOTOR POWER SUPPLY
1.
Turn ignition switch ON.
2.
Check voltage between mode door motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 5.
2.
CHECK AIR MIX DOOR MOTOR GROUND CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect air mix door motor and A/C auto amp. connector.
3.
Check continuity between air mix door motor harness connector and A/C auto amp. harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK AIR MIX DOOR MOTOR LIN SIGNAL
DTC
Items
(CONSULT-III screen terms)
DTC detection condition
Possible cause
B2632
DR AIR MIX DOOR MOT
Air mix door motor PBR position 95%
or more
• Air mix door motor
(PBR internal circuit is open or short-
ed)
• Air mix door motor installation condi-
tion
• A/C auto amp.
• Harness and connector
(LIN communication line is open or
shorted)
B2633
Air mix door motor PBR position 5% or
less
+
−
Voltage
(Approx.)
Air mix door motor
Connector
Terminal
M123
1
Ground
11 – 14 V
Air mix door motor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M123
3
M59
37
Existed
HAC-156
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
B2632, B2633 AIR MIX DOOR MOTOR PBR
1.
Connect air mix door motor and A/C auto amp. connector.
2.
Turn ignition switch ON.
3.
Confirm output waveform between air mix door motor harness connector and ground using oscilloscope.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 6.
4.
CHECK INSTALLATION OF AIR MIX DOOR MOTOR
Check air mix door motor is properly installed. Refer to
.
Is the inspection result normal?
YES
>> Replace air mix door motor. Refer to
HAC-197, "AIR MIX DOOR MOTOR : Removal and Installa-
.
NO
>> Repair or replace malfunctioning part.
5.
CHECK AIR MIX DOOR MOTOR POWER SUPPLY CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect air mix door motor and A/C auto amp. connector.
3.
Check continuity between air mix door motor harness connector and A/C auto amp. harness connector.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-188, "Removal and Installation"
.
NO
>> Repair harness or connector.
6.
CHECK AIR MIX DOOR MOTOR LIN SIGNAL CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect air mix door motor and A/C auto amp. connector.
3.
Check continuity between air mix door motor harness connector and A/C auto amp. harness connector.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-188, "Removal and Installation"
.
NO
>> Repair harness or connector.
+
−
Output waveform
Air mix door motor
Connector
Terminal
M123
2
Ground
SJIA1453J
Air mix door motor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M123
1
M59
17
Existed
Air mix door motor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M123
2
M59
16
Existed
B2636, B2637, B2638, B2639, B2654, B2655 MODE DOOR MOTOR
HAC-157
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
B2636, B2637, B2638, B2639, B2654, B2655 MODE DOOR MOTOR
DTC Logic
INFOID:0000000006548591
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “HVAC” using CONSULT-III.
3.
Check DTC.
Is DTC detected?
YES
>> Refer to
HAC-157, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006546702
1.
CHECK MODE DOOR MOTOR POWER SUPPLY
1.
Turn ignition switch ON.
2.
Check voltage between mode door motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 5.
2.
CHECK MODE DOOR MOTOR GROUND CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect mode door motor and A/C auto amp. connector.
3.
Check continuity between mode door motor harness connector and A/C auto amp. harness connector.
DTC
Items
(CONSULT-III screen terms)
DTC detection condition
Possible cause
B2636
DR VENT DOOR FAIL
When the malfunctioning door position
is detected at VENT position
• Mode door motor
(PBR internal circuit is open or short-
ed)
• Mode door motor control linkage in-
stallation condition
• A/C auto amp.
• Harness and connector
(LIN communication line is open or
shorted)
B2637
DR B/L DOOR FAIL
When the malfunctioning door position
is detected at B/L position
B2638
DR D/F1 DOOR FAIL
When the malfunctioning door position
is detected at FOOT position
B2639
DR DEF DOOR FAIL
When the malfunctioning door position
is detected at DEF position
B2654
D/F2 VENT DOOR FAIL
When the malfunctioning door position
is detected at D/F position
B2655
B/L DOOR FAIL
When the malfunctioning door position
is detected at B/L position
+
−
Voltage
(Approx.)
Mode door motor
Connector
Terminal
M124
1
Ground
11 – 14 V
Mode door motor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M124
3
M59
37
Existed
HAC-158
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
B2636, B2637, B2638, B2639, B2654, B2655 MODE DOOR MOTOR
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK MODE DOOR MOTOR LIN SIGNAL
1.
Connect mode door motor and A/C auto amp. connector.
2.
Turn ignition switch ON.
3.
Confirm output waveform between mode door motor harness connector and ground using oscilloscope.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 6.
4.
CHECK INSTALLATION OF MODE DOOR MOTOR
Check mode door motor is properly installed. Refer to
.
Is the inspection result normal?
YES
>> Replace mode door motor. Refer to
HAC-197, "MODE DOOR MOTOR : Removal and Installa-
.
NO
>> Repair or replace malfunctioning part.
5.
CHECK MODE DOOR MOTOR POWER SUPPLY CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect mode door motor and A/C auto amp. connector.
3.
Check continuity between mode door motor harness connector and A/C auto amp. harness connector.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-188, "Removal and Installation"
.
NO
>> Repair harness or connector.
6.
CHECK MODE DOOR MOTOR LIN SIGNAL CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect mode door motor and A/C auto amp. connector.
3.
Check continuity between mode door motor harness connector and A/C auto amp. harness connector.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-188, "Removal and Installation"
.
NO
>> Repair harness or connector.
+
−
Output waveform
Mode door motor
Connector
Terminal
M124
2
Ground
SJIA1453J
Mode door motor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M124
1
M59
17
Existed
Mode door motor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M124
2
M59
16
Existed
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