2014 NISSAN TEANA ignition

HOW TO ERASE PERMANENT DTCEC-191
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Check DTC.
Is any DTC detected?
YES >> Repair malfunction(s) and erase DTC. Refer to EC-74, "On Board Diagnosis Function", EC-77,
"CONSULT Function".
NO >> GO TO 2.
2.CHECK PERMANENT DTC
With CONSULT
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select “PERMANENT DTC STATUS” mode with CONSULT.
With GST
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select Service $0A with GST.
Is any permanent DTC detected?
YES >> GO TO 3.
NO >> END
3.PERFORM DTC CONFIRMATION PROCEDURE
Perform “DTC CONFIRMATION PROC EDURE” for DTCs which are the same as permanent DTCs stored in
ECM. Refer to EC-105, "DTC Index"
.
>> GO TO 4.
4.CHECK PERMANENT DTC
With CONSULT
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select “PERMANENT DTC STATUS” mode with CONSULT.
With GST
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select Service $0A with GST.
Is any permanent DTC detected?
YES >> GO TO 1.
NO >> END
*1: When the same malfunction is de-
tected in two consecutive trips, MIL
will illuminate.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-192
< BASIC INSPECTION >[QR25DE]
HOW TO ERASE PERMANENT DTC
Work Procedure (Group B)
INFOID:0000000009462148
NOTE:
Drive the vehicle according to only driving patterns indicating “INCMP” in driving patterns B and D on the
“PERMANENT DTC STATUS” screen.
1.CHECK DTC
Check DTC.
Is any DTC detected?
YES >> Repair malfunction(s) and erase DTC. Refer to EC-74, "On Board Diagnosis Function", EC-77,
"CONSULT Function".
NO >> GO TO 2.
2.CHECK PERMANENT DTC
With CONSULT
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select “PERMANENT DTC STATUS” mode with CONSULT.
With GST
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
*1: When the same malfunction is de-
tected in two consecutive trips, MIL
will illuminate. *2: After experiencing driving pattern B
and D, permanent DTC is erased. *3: Indication does not change unless
the ignition switch is turned from ON
to OFF twice even after experiencing
driving pattern B or D.
JSBIA0414GB
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

HOW TO ERASE PERMANENT DTCEC-193
< BASIC INSPECTION > [QR25DE]
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4. Turn ignition switch ON.
5. Select Service $0A with GST.
Is any permanent DTC detected?
YES >> GO TO 3.
NO >> END
3.DRIVE DRIVING PATTERN B
CAUTION:
• Always drive at a safe speed.
• Never erase self-diagnosis results.
• If self-diagnosis results are erased during the trip of driving pattern B or D, the counter of driving
pattern B and D is reset.
With CONSULT
1. Start engine and warm it up to normal operating temperature.
2. Use “PERMANENT DTC WORK SUPPORT” mode with CONS ULT to drive the vehicle according to driv-
ing pattern B. Refer to EC-77, "CONSULT Function"
, EC-71, "DIAGNOSIS DESCRIPTION : Driving Pat-
tern".
With GST
1. Start engine and warm it up to normal operating temperature.
2. Drive the vehicle according to driving pattern B. Refer to EC-71, "DIAGNOSIS DESCRIPTION : Driving
Pattern".
>> GO TO 4.
4.CHECK PERMANENT DTC
With CONSULT
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select “PERMANENT DTC STATUS” mode with CONSULT.
With GST
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select Service $0A with GST.
Is any permanent DTC detected?
YES >> GO TO 5.
NO >> END
5.DRIVE DRIVING PATTERN D
CAUTION:
• Always drive at a safe speed.
• Never erase self-diagnosis results.
• If self-diagnosis results are erased during the trip of driving pattern B or D, the counter of driving
pattern B and D is reset.
Drive the vehicle according to driving pattern D. Refer to EC-71, "DIAGNOSIS DESCRIPTION : Driving Pat-
tern".
>> GO TO 6.
6.CHECK PERMANENT DTC
With CONSULT
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-194
< BASIC INSPECTION >[QR25DE]
HOW TO ERASE PERMANENT DTC
5. Select “PERMANENT DTC
STATUS” mode with CONSULT.
With GST
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select Service $0A with GST.
Is any permanent DTC detected?
YES >> GO TO 1.
NO >> END
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

TROUBLE DIAGNOSIS - SPECIFICATION VALUEEC-199
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
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8.CHECK “A/F ALPHA-B1”
1. Start engine.
2. Select “A/F ALPHA-B1” in “SPEC” of “DATA MONITOR” mode, and make sure that the indication is within
the SP value.
Is the measurement value within the SP value?
YES >> INSPECTION END
NO >> GO TO 9.
9.PERFORM POWER BALANCE TEST
1. Perform “POWER BALANCE ” in “ACTIVE TEST” mode.
2. Make sure that the each cylinder produces a momentary engine speed drop.
Is the inspection result normal?
YES >> GO TO 12.
NO >> GO TO 10.
10.DETECT MALFUNCTIONING PART
Check the following.
1. Ignition coil and its circuit (Refer to EC-511, "Component Function Check"
.)
2. Fuel injector and its circuit (Refer to EC-505, "Component Function Check"
.)
3. Intake air leakage
4. Low compression pressure (Refer to EM-26, "Compression pressure"
.)
Is the inspection result normal?
YES >> Replace fuel injector, refer to EM-41, "Removal and Installation", and then GO TO 11.
NO >> Repair or replace malfunctioning part and then GO TO 11.
11 .CHECK “A/F ALPHA-B1”
1. Start engine.
2. Select “A/F ALPHA-B1” in “SPEC” of “DATA MONITOR” mode, and make sure that the indication is within
the SP value.
Is the measurement value within the SP value?
YES >> INSPECTION END
NO >> GO TO 12.
12.CHECK A/F SENSOR 1 FUNCTION
Perform all DTC CONFIRMATION PROC EDURE related with A/F sensor 1.
• For DTC P0130, refer to EC-258, "DTC Logic"
.
• For DTC P0131, refer to EC-262, "DTC Logic"
.
• For DTC P0132, refer to EC-265, "DTC Logic"
.
• For DTC P014C, P014D, P15A, P15B refer to EC-289, "DTC Logic"
.
• For DTC P2096, P2097, refer to EC-468, "DTC Logic"
.
Is any DTC detected?
YES >> GO TO 15.
NO >> GO TO 13.
13.CHECK A/F SENSOR 1 CIRCUIT
Perform DIAGNOSTIC PROCEDURE according to corresponding DTC.
>> GO TO 14.
14.CHECK “A/F ALPHA-B1”
1. Start engine.
2. Select “A/F ALPHA-B1” in “SPEC” of “DATA MONITO R” mode, and make sure that the each indication is
within the SP value.
Is the measurement value within the SP value?
YES >> INSPECTION END
NO >> GO TO 15.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

POWER SUPPLY AND GROUND CIRCUITEC-203
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
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POWER SUPPLY AND GROUND CIRCUIT
Diagnosis ProcedureINFOID:0000000009462152
1.CHECK FUSE
Check that the following fuse is not fusing.
Is the fuse fusing?
YES >> Replace the fuse after repairing the applicable circuit.
NO >> GO TO 2.
2.CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E9. Refer to GI-46, "Circuit Inspection"
.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace ground connection.
3.CHECK ECM GROUND CIRCUIT
1. Disconnect ECM harness connectors.
2. Check the continuity between ECM harness connector and ground.
*1: Except for California
*2: For California
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace error-detected parts.
4.CHECK ECM POWER SUPPLY (MAIN)-1
1. Reconnect ECM harness connector.
2. Turn ignition switch ON.
3. Check the voltage between ECM harness connector terminals.
*1: Except for California
*2: For California
Location Fuse No. Capacity
IPDM E/R #38 10 A
#56 10 A
+ −Continuity
ECM
Connector Terminal
F14
*1
F91*2
12
Ground Existed
16
F13
*1
F90*252
E10
*1
E31*2128
ECM Vo l ta g e
Connector +
−
Te r m i n a l
E10
*1
E31*2121 128 Battery voltage
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-204
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
POWER SUPPLY AND GROUND CIRCUIT
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 6.
5.CHECK ECM POWER SUPPLY (MAIN)--2
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Check the voltage between ECM harness connector terminals as per the following.
*1: Except for California
*2: For California
Is the inspection result normal?
YES >> GO TO 9.
NO >> GO TO 7.
6.CHECK ECM POWER SUPPLY (MAIN) CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connectors.
3. Disconnect IPDM E/R harness connector.
4. Check the continuity between ECM harnes s connector and IPDM E/R harness connector.
*1: Except for California
*2: For California
5. Also check harness for short to ground.
Is the inspection result normal?
YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
7.CHECK ECM RELAY CONTROL SIGNAL
Check the voltage between ECM harness connector terminals as per the following.
*1: Except for California
*2: For California
Is the inspection result normal?
YES >> Check Intermittent Incident. Refer to GI-43, "Intermittent Incident".
NO >> GO TO 8.
ECM
ConditionVo l ta g e
(Approx.)
Connector +
−
Te r m i n a l
E10
*1
E31*2121 128 After turning ignition switch
OFF, battery voltage will ex-
ist for a few seconds Drop to 0 V
+
−
Continuity
ECM IPDM E/R
Connector Terminal Connector Terminal
E10
*1
E31*2121 E18 13 Existed
ECM ConditionVo l ta g e
(Approx.)
+
−
Connector Terminal Connector Terminal
F13
*1
F90*289 E10*1
E31*2128Ignition switch ON 0 V
Turn ignition switch OFF
and wait at least 10 sec-
onds. Battery voltage
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

POWER SUPPLY AND GROUND CIRCUITEC-205
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
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8.CHECK ECM RELAY CONTROL SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Disconnect IPDM E/R harness connector.
4. Check the continuity between ECM harness connector and IPDM E/R harness connector.
*1: Except for California
*2: For California
5. Also check harness for short to ground and to power.
Is the inspection result normal?
YES >> Replace IPDM E/R. Refer to PCS-32, "Removal and Installation".
NO >> Repair or replace error-detected parts.
9.CHECK IGNITION SWITCH SIGNAL
1. Turn ignition switch ON.
2. Check the voltage between ECM harness connector terminals.
*1: Except for California
*2: For California
Is the inspection result normal?
YES >> GO TO 11.
NO >> GO TO 10.
10.CHECK IGNITION SWITCH SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Disconnect IPDM E/R harness connector.
4. Check the continuity between ECM harness connector and IPDM E/R harness connector.
*1: Except for California
*2: For California
5. Also check harness for short to ground and to power.
Is the inspection result normal?
YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
11 .CHECK ECM POWER SUPPLY (BACK-UP)
+ −
Continuity
ECM IPDM E/R
Connector Terminal Connector Terminal
F13
*1
F90*289 F84 72 Existed
ECM ConditionVoltag e
(Approx.)
Connector +
−
Te r m i n a l
E10
*1
E31*2109 128 Ignition switch OFF 0 V
Ignition switch ON Battery voltage
+ −
Continuity
ECM IPDM E/R
Connector Terminal Connector Terminal
E10
*1
E31*2109 E63 21 Existed
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM