ignition NISSAN TEANA 2008 Service Manual

HAC-164
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
U1000 CAN COMM CIRCUIT
COMPONENT DIAGNOSIS
U1000 CAN COMM CIRCUIT
DescriptionINFOID:0000000003884734
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with two
communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart. Refer to LAN-13, "
How to Use CAN Communication Signal Chart".
DTC LogicINFOID:0000000003884735
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000003884736
1.CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT-III
1. Turn ignition switch ON and wait for 2 or more seconds.
2. Using CONSULT-III, perform “SELF-DIAGNOSIS RESULTS” of HVAC.
Is
“CAN COMM CIRCUIT” displayed?
YES >> Perform trouble diagnosis for the CAN communication system. Refer to LAN-14, "Trouble Diagno-
sis Flow Chart".
NO >> Perform the intermittent malfunction diagnosis. Refer to GI-35, "
Intermittent Incident".
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

B257B, B257C AMBIENT SENSOR
HAC-167
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
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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 HAC-
164, "DTC Logic" or HAC-165, "DTC Logic".
 If there is an open circuit in the ambient sensor, A/C auto amp. registers extreme cold [−44°C (−47°F)] and
adjusts the temperature control warmer.
Is DTC
“B257B” or “B257C” displayed?
YES >> Perform trouble diagnosis for the ambient sensor. Refer to HAC-167, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003884742
1.CHECK VOLTAGE BETWEEN AMBIENT SENSOR AND GROUND
1. Disconnect ambient sensor connector.
2. Turn ignition switch ON.
3. Check voltage between ambient sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK CIRCUIT CONTINUITY BETWEEN AMBIENT SENSOR AND A/C AUTO AMP.
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 3.
NO >> Repair harness or connector.
3.CHECK AMBIENT SENSOR
Check ambient sensor. Refer to HAC-168, "
Component Inspection".
Is the inspection result normal?
YES >> Replace A/C auto amp.
NO >> Replace ambient sensor.
4.CHECK CIRCUIT CONTINUITY BETWEEN AMBIENT SENSOR AND A/C AUTO AMP.
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.
4. Check continuity between ambient sensor harness connector and ground.
(+) (−)
Vo l ta g e Ambient sensor
—
Connector Terminal
E337 1 Ground Approx. 5 V
Ambient sensor A/C auto amp.
Continuity
Connector Terminal Connector Terminal
E337 2 M50 37 Existed
Ambient sensor A/C auto amp.
Continuity
Connector Terminal Connector Terminal
E337 1 M50 35 Existed

HAC-168
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
B257B, B257C AMBIENT SENSOR
Is the inspection result normal?
YES >> Replace A/C auto amp.
NO >> Repair harness or connector.
Component InspectionINFOID:0000000003884743
1.CHECK AMBIENT SENSOR
1. Turn ignition switch OFF.
2. Disconnect ambient sensor connector. Refer to VTL-81, "
Exploded View".
3. Check resistance between ambient sensor terminals.
Is the inspection result normal?
YES >> END.
NO >> Replace ambient sensor.
Ambient sensor
—Continuity
Connector Terminal
E337 1 Ground Not existed
Te r m i n a lCondition
Resistance kΩ
Temperature °C (°F)
12−15 (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-170
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
B2578, B2579 IN-VEHICLE SENSOR
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to HAC-
164, "DTC Logic" or HAC-165, "DTC Logic".
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 HAC-
164, "DTC Logic" or HAC-165, "DTC Logic".
Is DTC
“B2578” or “B2579” displayed?
YES >> Perform trouble diagnosis for the in-vehicle sensor. Refer to HAC-170, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003884746
1.CHECK VOLTAGE BETWEEN IN-VEHICLE SENSOR AND GROUND
1. Disconnect in-vehicle sensor connector.
2. Turn ignition switch ON.
3. 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 CIRCUIT CONTINUITY BETWEEN IN-VEHICLE SENSOR AND A/C AUTO AMP.
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 3.
NO >> Repair harness or connector.
3.CHECK IN-VEHICLE SENSOR
Check in-vehicle sensor. Refer to HAC-171, "
Component Inspection".
Is the inspection result normal?
YES >> Replace A/C auto amp.
NO >> Replace in-vehicle sensor.
DTCItems
(CONSULT-III screen terms)Diagnostic item is detected when... Possible cause
B2578IN CAR SENSOR (OUT OF RANGE
[LOW])Detected temperature at in-vehicle
sensor −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
sensor 100°C (212°F) or more
(+) (−)
Vol tag e In-vehicle sensor
—
Connector Terminal
M41 1 Ground Approx. 5 V
In-vehicle sensor A/C auto amp.
Continuity
Connector Terminal Connector Terminal
M41 2 M50 37 Existed

B2578, B2579 IN-VEHICLE SENSOR
HAC-171
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
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4.CHECK CIRCUIT CONTINUITY BETWEEN IN-VEHICLE SENSOR AND A/C AUTO AMP.
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.
4. Check continuity between in-vehicle sensor harness connector and ground.
Is the inspection result normal?
YES >> Replace A/C auto amp.
NO >> Repair harness or connector.
Component InspectionINFOID:0000000003884747
1.CHECK IN-VEHICLE SENSOR
1. Turn ignition switch OFF.
2. Disconnect in-vehicle sensor connector. Refer to VTL-83, "
Exploded View".
3. Check resistance between in-vehicle sensor terminals.
Is the inspection result normal?
YES >> END.
NO >> Replace in-vehicle sensor.
In-vehicle sensor A/C auto amp.
Continuity
Connector Terminal Connector Terminal
M41 1 M50 36 Existed
In-vehicle sensor
—Continuity
Connector Terminal
M41 1 Ground Not existed
Te r m i n a lCondition
Resistance kΩ
Temperature °C (°F)
12−15 (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-173
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
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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 InspectionINFOID:0000000003884751
1.CHECK INTAKE SENSOR
1. Turn ignition switch OFF.
2. Disconnect intake sensor connector.
3. Check resistance between intake sensor terminals.
(+) (−)
Vo l ta g e 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-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 HAC-
164, "DTC Logic" or HAC-165, "DTC Logic".
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 HAC-
164, "DTC Logic" or HAC-165, "DTC Logic".
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 ProcedureINFOID: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 INTEL-
LIGENT AIR CONDITIONER SYSTEM : Gas Sensor Sensitivity Adjustment Function (With Intelligent Air
Conditioner System)" and 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 PG-101,
"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.
DTCItems
(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%
(+) (−)
Vol tag e Gas sensor
—
Connector Terminal
E351 1 Ground Battery voltage

B262A, B262B, B2657, B2658 GAS SENSOR
HAC-177
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
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Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair harness or connector.
4.CHECK GAS SENSOR SIGNAL
1. Reconnect gas sensor connector.
2. Turn ignition switch ON.
3. Check signal between A/C auto amp. connector using an oscilloscope.
NOTE:
The signal is different by measurement environment of a vehicle.
Is the inspection result normal?
YES >> Replace A/C auto amp.
NO >> Replace gas sensor.
Gas sensor
—Continuity
Connector Terminal
E351 2 Ground Existed
(+) (−)
Vo l ta g e A/C auto amp.
—
Connector Terminal
M50 14 Ground
ZJIA1163J

B2630, B2631 SUNLOAD SENSOR
HAC-179
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
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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 HAC-
164, "DTC Logic" or HAC-165, "DTC Logic".
 Sunload sensor may register a malfunction when indoors, at dusk, or at other times when light is insufficient.
When performing the diagnosis indoors, light the sunload sensor with a lamp (60 W or more).
Is DTC
“B2630” or “B2631” displayed?
YES >> Perform trouble diagnosis for the sunload sensor. Refer to HAC-179, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003884758
1.CHECK VOLTAGE BETWEEN SUNLOAD SENSOR AND GROUND
1. Disconnect sunload sensor connector.
2. Turn ignition switch ON.
3. Check voltage between sunload sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK CIRCUIT CONTINUITY BETWEEN SUNLOAD SENSOR AND A/C AUTO AMP.
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 3.
NO >> Repair harness or connector.
3.CHECK SUNLOAD SENSOR
1. Reconnect sunload sensor connector and A/C auto amp. connector.
2. Check sunload sensor. Refer to HAC-180, "
Component Inspection".
Is the inspection result normal?
YES >> Replace A/C auto amp.
NO >> Replace sunload sensor.
4.CHECK CIRCUIT CONTINUITY BETWEEN SUNLOAD SENSOR AND A/C AUTO AMP.
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.
(+) (−)
Vo l ta g e Sunload sensor
—
Connector Terminal
M74 1 Ground Approx. 5 V
Sunload sensor A/C auto amp.
Continuity
Connector Terminal Connector Terminal
M74 2 M50 37 Existed

HAC-180
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
B2630, B2631 SUNLOAD SENSOR
4. Check continuity between sunload sensor harness connector and ground.
Is the inspection result normal?
YES >> Replace A/C auto amp.
NO >> Repair harness or connector.
Component InspectionINFOID:0000000003884759
1.CHECK SUNLOAD SENSOR
1. Turn ignition switch ON.
2. Check voltage between A/C auto amp. harness connector and ground.
NOTE:
Select a place where sunshine directly on it when checking sunload sensor.
Is the inspection result normal?
YES >> END.
NO >> Replace sunload sensor.
Sunload sensor A/C auto amp.
Continuity
Connector Terminal Connector Terminal
M74 1 M50 15 Existed
Sunload sensor
—Continuity
Connector Terminal
M74 1 Ground Not existed
(+) (−)
A/C auto amp.
—
Connector Terminal
M50 15 Ground
SHA930E