Nissan Teana J32. Instruction — part 701
B2581, B2582 INTAKE SENSOR
HAC-173
< COMPONENT DIAGNOSIS >
[WITH 7 INCH DISPLAY]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
1.
Disconnect intake sensor connector.
2.
Turn ignition switch ON.
3.
Check voltage between intake sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 4.
2.
CHECK CIRCUIT CONTINUITY BETWEEN INTAKE SENSOR AND A/C AUTO AMP.
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 3.
NO
>> Repair harness or connector.
3.
CHECK INTAKE SENSOR
Check intake sensor. Refer to
HAC-173, "Component Inspection"
Is the inspection result normal?
YES
>> Replace A/C auto amp.
NO
>> Replace intake sensor.
4.
CHECK CIRCUIT CONTINUITY BETWEEN INTAKE SENSOR AND A/C AUTO AMP.
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.
4.
Check continuity between intake sensor harness connector and ground.
Is the inspection result normal?
YES
>> Replace A/C auto amp.
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000003884751
1.
CHECK INTAKE SENSOR
1.
Turn ignition switch OFF.
2.
Disconnect intake sensor connector.
3.
Check resistance between intake sensor terminals.
(+)
(
−
)
Voltage
Intake sensor
—
Connector
Terminal
M42
2
Ground
Approx. 5 V
Intake sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M42
1
M50
37
Existed
Intake sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M42
2
M50
16
Existed
Intake sensor
—
Continuity
Connector
Terminal
M42
2
Ground
Not existed
HAC-174
< COMPONENT DIAGNOSIS >
[WITH 7 INCH DISPLAY]
B2581, B2582 INTAKE SENSOR
Is the inspection result normal?
YES
>> END.
NO
>> Replace intake sensor.
Terminal
Condition
Resistance k
Ω
Temperature
°
C (
°
F)
1
2
−
15 (5)
17.73
−
10 (14)
13.46
−
5 (23)
10.33
0 (32)
8.00
5 (41)
6.26
10 (50)
4.93
15 (59)
3.92
20 (68)
3.14
25 (77)
2.54
30 (86)
2.06
35 (95)
1.69
40 (104)
1.39
45 (113)
1.15
B262A, B262B, B2657, B2658 GAS SENSOR
HAC-175
< COMPONENT DIAGNOSIS >
[WITH 7 INCH DISPLAY]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
B262A, B262B, B2657, B2658 GAS SENSOR
WITH INTELLIGENT AIR CONDITIONER SYSTEM
WITH INTELLIGENT AIR CONDITIONER SYSTEM : Description
INFOID:0000000003884752
COMPONENT DESCRIPTION
Gas Sensor
The gas sensor (1) is attached on the bumper upper retainer. It
detects smell of exhaust gas and converts it into a duty ratio which is
then input into the A/C auto amp.
Gas Sensor Circuit
SMELL OF EXHAUST GAS INPUT PROCESS
Gas sensor detects ambient atmospheric CO and NO
2
, and converts them to values of resistance. The values
are converted to signals with the gas sensor internal circuit, then auto amp. inputs the signals.
Gas sensor has a construction that detects CO and NO
2
by gas sensor element from the air intake of the case
through a filter (waterproof sheet). It sends output signals to auto amp. in response to a resistance value con-
version by gas sensor elements. Output signals prevent a smell of exhaust gas from getting into vehicle by
performing corrections according to various driving conditions.
WITH INTELLIGENT AIR CONDITIONER SYSTEM : DTC Logic
INFOID:0000000003884753
DTC DETECTION LOGIC
JPIIA0900ZZ
JPIIA1009GB
PJIA0049E
HAC-176
< COMPONENT DIAGNOSIS >
[WITH 7 INCH DISPLAY]
B262A, B262B, B2657, B2658 GAS SENSOR
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 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 “B262A”, “B262B”, “B2657” or “B2658” displayed?
YES
>> Perform trouble diagnosis for the gas sensor. Refer to
HAC-176, "WITH INTELLIGENT AIR CON-
DITIONER SYSTEM : Diagnosis Procedure"
NO
>> INSPECTION END
WITH INTELLIGENT AIR CONDITIONER SYSTEM : Diagnosis Procedure
INFOID:0000000003884754
1.
ADJUST GAS SENSOR SENSITIVITY AND CLEAN SWITCH INTERLOCKING CHANGE
1.
Turn ignition switch ON.
2.
Adjust the gas sensor sensitivity and clean switch interlocking change. Refer to
HAC-116, "WITH INTELLIGENT AIR CONDITIONER SYSTEM : Clean Switch
Interlocking Movement Change Function (With Intelligent Air Conditioner System)"
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY FOR GAS SENSOR
1.
Turn ignition switch OFF.
2.
Disconnect gas sensor connector.
3.
Turn ignition switch ON.
4.
Check voltage between gas sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>>
Check power supply circuit and 10A fuse (No. 3, located in the fuse block). Refer to
"Fuse, Connector and Terminal Arrangement"
• If fuse is OK, check harness for open circuit. Repair or replace if necessary.
• If fuse is NG, check harness for short circuit and replace fuse.
3.
CHECK GROUND CIRCUIT FOR GAS SENSOR
1.
Turn ignition switch OFF.
2.
Check continuity between gas sensor harness connector and ground.
DTC
Items
(CONSULT-III screen terms)
Diagnostic item is detected when...
Possible cause
B262A
GAS SENSOR (SHORT)
Gas sensor duty 10% or less
• Gas sensor
• A/C auto amp.
• Harness and connector
(Gas sensor circuit is open, or
there is a short in the circuit)
B262B
GAS SENSOR (OPEN)
Gas sensor duty 90% or more
B2657
GAS SENSOR CIRCUIT (SHORT)
Gas sensor duty 0%
B2658
GAS SEN CIRCUIT (OPEN)
Gas sensor duty 100%
(+)
(
−
)
Voltage
Gas sensor
—
Connector
Terminal
E351
1
Ground
Battery voltage
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