2014 NISSAN TEANA ignition

BRAKE PEDAL POSITION SWITCHEC-951
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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NO >> Repair or replace error-detected parts.
3.CHECK BRAKE PEDAL POSITION
SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between brake pedal posit ion switch harness connector and ECM harness connec-
tor.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
4.CHECK BRAKE PEDAL POSITION SWITCH
Check brake pedal position switch. Refer to EC-951, "Component Inspection (Brake Pedal Position Switch)"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Replace brake pedal position switch. Refer to BR-18, "Exploded View"
.
Component Inspection (Brake Pedal Position Switch)INFOID:0000000009462829
1.CHECK BRAKE PEDAL POSITION SWITCH-I
1. Turn ignition switch OFF.
2. Disconnect brake pedal position switch harness connector.
3. Check the continuity between brake pedal position switch terminals under the following conditions.
Is the inspection result normal?
YES >> INSPECTION END
NO >> GO TO 2.
2.CHECK BRAKE PEDAL POSITION SWITCH-II
1. Adjust brake pedal position switch installation. Refer to BR-13, "Inspection and Adjustment"
.
2. Check the continuity between brake pedal position switch terminals under the following conditions.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace brake pedal position switch. Refer to BR-18, "Removal and Installation"
.
Brake pedal position switch ECM
Continuity
Connector Terminal Connector Terminal
E51 2 E32 126 Existed
Terminals Condition Continuity
1 and 2 Brake pedal Fully released Existed
Slightly depressed Not existed
Terminals Condition Continuity
1 and 2 Brake pedal Fully released Existed
Slightly depressed Not existed
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-952
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
ASCD INDICATOR
ASCD INDICATOR
Component Function CheckINFOID:0000000009462830
1.CHECK ASCD INDICATOR FUNCTION
Check ASCD indicator under the following conditions.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Proceed to EC-952, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000009462831
1.CHECK DTC
Check that DTC UXXXX is not displayed.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Perform trouble diagnosis for DTC UXXXX.
2.CHECK COMBINATION METER FUNCTION
Check combination meter function. Refer to MWI-18, "CONSULT Function (METER/M&A)"
.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace malfunctioning part.
3.CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to GI-43, "Intermittent Incident"
.
Is the inspection result normal?
YES >> Replace combination meter. Refer to MWI-82, "Removal and Installation".
NO >> Repair or replace error-detected parts.
ASCD INDICATOR CONDITION SPECIFICATION
CRUISE • Ignition switch: ON • MAIN switch: Pressed at the
1st time →at the 2nd time ON
→ OFF
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

COOLING FANEC-953
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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COOLING FAN
Component Function CheckINFOID:0000000009462832
1.CHECK COOLING FAN FUNCTION
With CONSULT
1. Turn ignition switch ON.
2. Perform “COOLING FAN” in “A CTIVE TEST” mode with CONSULT.
3. Check that cooling fan operates at each speed.
Without CONSULT
1. Perform IPDM E/R aut o active test and check cooling fan motors operation, refer to PCS-8, "Diagnosis
Description".
2. Check that cooling fan operates at each speed.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Proceed to EC-953, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000009462833
1.CHECK COOLING FAN RELAY POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect cooling fan relays-2, -3.
3. Turn ignition switch ON.
4. Check the voltage between cooling fan relays-2, -3 harness connectors and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Perform the trouble diagnosis for power supply circuit.
2.CHECK COOLING FAN RELAY OUTPUT SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connectors.
3. Check the continuity between cooling fan relay- 2, -3 harness connectors and IPDM E/R harness connec-
tor.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
3.CHECK COOLING FAN MOTOR POWER SUPPLY
Cooling fan relay Ground Voltage
Connector Terminal
E42
(cooling fan relay-2) 2
Ground Battery voltage
5
E43
(cooling fan relay-3) 2
5
Cooling fan relay IPDM E/R Continuity
Connector Terminal Connector Terminal
E42
(cooling fan relay-2) 1
E63 27
Existed
E43
(cooling fan relay-3) 139
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

COOLING FANEC-955
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 7.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
7.CHECK COOLING FAN MOTOR CIRCUIT-IV
1. Check the continuity between cooli ng fan motor-2 harness connector and ground.
2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 8.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
8.CHECK COOLING FAN RELAYS-2 AND -3
Check cooling fan relays-2 and -3. Refer to EC-956, "Component Inspection (Cooling Fan Relay)"
.
Is the inspection result normal?
YES >> GO TO 9.
NO >> Replace malfunctioning cooling fan relay.
9.CHECK COOLING FAN MOTORS-1 AND -2
Check cooling fan motors-1 and -2. Refer to EC-955, "Component Inspection (Cooling Fan Motor)"
.
Is the inspection result normal?
YES >> GO TO 10.
NO >> Replace malfunctioning cooling fan motor. Refer to CO-42, "Removal and Installation"
.
10.CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to GI-43, "Intermittent Incident"
.
Is the inspection result normal?
YES >> Replace IPDM E/R. Refer to PCS-32, "Removal and Installation".
NO >> Repair or replace error-detected parts.
Component Inspection (Cooling Fan Motor)INFOID:0000000009462834
1.CHECK COOLING FAN MOTOR
1. Turn ignition switch OFF.
2. Disconnect cooling fan motor harness connector.
3. Supply cooling fan motor terminals with battery voltage and check operation.
Cooling fan motor Ground Continuity
Connector Terminal
E42
(cooling fan relay-2) 6 Ground Existed
E43
(cooling fan relay-3)
Cooling fan motor-2 Ground Continuity
Connector Terminal
E221 3
Ground Existed
4
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

ELECTRICAL LOAD SIGNALEC-957
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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ELECTRICAL LOAD SIGNAL
DescriptionINFOID:0000000009462836
The electrical load signal (Headlamp switch signal, rear
window defogger switch signal, etc.) is transferred via
the CAN communication.
Component Function CheckINFOID:0000000009462837
1.CHECK REAR WINDOW DEF OGGER SWITCH FUNCTION
1. Turn ignition switch ON.
2. Connect CONSULT and select “DATA MONITOR” mode.
3. Select “LOAD SIGNAL” and check indication under the following conditions.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Proceed to EC-957, "Diagnosis Procedure"
.
2.CHECK LIGHTING SWITCH FUNCTION
Check “LOAD SIGNAL” indication under the following conditions.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Proceed to EC-957, "Diagnosis Procedure"
.
3.CHECK HEATER FAN CONTROL SWITCH FUNCTION
Select “HEATER FAN SW” and check indication under the following conditions.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Proceed to EC-957, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000009462838
1.INSPECTION START
Confirm the malfunctioning circuit (rear window defogger, headlamp or heater fan). Refer to EC-957, "Compo-
nent Function Check".
Which circuit is related to the incident?
Rear window defogger>>GO TO 2.
Headlamp>>GO TO 3.
Heater fan>>GO TO 4.
2.CHECK REAR WINDOW DEFOGGER SYSTEM
Check rear window defogger system. Refer to DEF-16, "Work Flow"
.
Monitor item Condition Indication
LOAD SIGNAL Rear window defogger switch ON ON
OFF OFF
Monitor item Condition Indication
LOAD SIGNAL Lighting switch ON at 2nd position ON
OFF OFF
Monitor item Condition Indication
HEATER FAN SW Heater fan control switchON ON
OFF OFF
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

ELECTRONIC CONTROLLED ENGINE MOUNTEC-959
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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ELECTRONIC CONTROLLED ENGINE MOUNT
Component Function CheckINFOID:0000000009462839
1.CHECK OVERALL FUNCTION
1. Start engine and warm it up to normal operating temperature.
2. Shift selector position is D while depressing the brake pedal and parking brake pedal.
3. Disconnect electronic controlled engine mount control solenoid valve harness connector.
4. Check that body vibration increases compared to the condition of step 2 above (with vehicle stopped).
Is the inspection result normal?
YES >> INSPECTION END
NO >> EC-959, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000009462840
1.CHECK VACUUM SOURCE
1. Turn ignition switch OFF.
2. Reconnect electronic controlled engine mount control solenoid valve harness connector.
3. Disconnect vacuum hose connected to electronic controlled engine mount.
4. Start engine and let it idle.
5. Check vacuum hose for vacuum existence.
Is the inspection result normal?
YES >> GO TO 7.
NO >> GO TO 2.
2.CHECK VACUUM HOSES AND VACUUM GALLERY
1. Turn ignition switch OFF.
2. Check vacuum hoses and vacuum gallery for cl ogging, cracks or improper connection. Refer to EC-577,
"ELECTRONIC CONTROLLED ENGINE MOUNT : System Description".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace vacuum hoses and vacuum gallery.
3.CHECK ELECTRONIC CONTROLLED ENGINE MOUNT CONTROL SOLENOID VALVE POWER SUPPLY
1. Disconnect electronic controlled engine mount control solenoid valve harness connector.
2. Turn ignition switch ON.
3. Check the voltage between front electronic controlled engine mount harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK ELECTRONIC CONTROLLED ENGINE MOUNT CONTROL SOLENOID VALVE POWER SUPPLY
CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect fuse block (J/B) harness connector.
3. Check the continuity between electronic controll ed engine mount harness connector and fuse block (J/B)
harness connector. Vacuum should exist.
Electronic controlled engine mount
control solenoid valve Ground Voltage
Connector Terminal
F64 1 Ground Battery voltage
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-960
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
ELECTRONIC CONTROLLED ENGINE MOUNT
Is the inspection result normal?
YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
5.CHECK ELECTRONIC CONTROLLED ENGINE MOUNT CONTROL SOLENOID VALVE OUTPUT SIG-
NAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check the continuity between ECM harness connec tor and electronic controlled engine mount control
solenoid valve harness connector.
3. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair open circuit, short to ground or short to power in harness connectors.
6.CHECK ELECTRONIC CONTROLLED ENGINE MOUNT CONTROL SOLENOID VALVE
Check electronic controlled engine mount control solenoid valve. Refer to EC-960, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 7.
NO >> Replace electronic controlled engine mount control solenoid valve. Refer to EC-548, "ENGINE
CONTROL SYSTEM : Component Parts Location".
7.CHECK ELECTRONIC CONTROLLED ENGINE MOUNT
1. Turn ignition switch OFF.
2. Install vacuum pump (A) to electronic controlled engine mount (1).
3. Check that a vacuum is maintained when applying the vacuum
of -40 kPa (-0.41 kg/cm
2, -5.8 psi) to electronic controlled engine
mount.
4. Also visually check electronic controlled engine mount.
Is the inspection result normal?
YES >> GO TO 8.
NO >> Replace electronic controlled engine mount.
8.CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to GI-43, "Intermittent Incident"
.
Is the inspection result normal?
YES >> Replace intake manifold collector. Refer to EM-146, "Removal and Installation".
NO >> Repair or replace error-detected parts.
Component InspectionINFOID:0000000009462841
1.CHECK ELECTRONIC CONTROLLED ENGINE MOUNT CONTROL SOLENOID VALVE
With CONSULT
1. Turn ignition switch OFF.
Electronic controlled engine
mount control solenoid valve Fuse block (J/B)
Continuity
Connector Terminal Connector Terminal
F64 1 E6 1M Existed
ECM Electronic controlled engine
mount control solenoid valve Continuity
Connector Terminal Connector Terminal
F7838F64 2 Existed
MBIB1237E
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

ELECTRONIC CONTROLLED ENGINE MOUNTEC-961
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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2. Reconnect electronic controlled engine mount
control solenoid valve harness connector.
3. Disconnect vacuum hoses connected to electroni c controlled engine mount control solenoid valve.
4. Turn ignition switch ON.
5. Select “ENGINE MOUNTING” in “ACTIVE TEST” mode with CONSULT.
6. Check air passage continuity and operation delay time under the following conditions.
Without CONSULT
1. Turn ignition switch OFF.
2. Disconnect electronic controll ed engine mount control solenoid
valve harness connector.
3. Disconnect vacuum hoses connected to electroni c controlled engine mount control solenoid valve.
4. Check air passage continuity and operation delay time under the following conditions.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace electronic controlled engine mount control sole- noid valve. Refer to EC-548, "ENGINE CONTROL SYST EM : Component Parts Location"
.
Condition
(ENGINE MOUNTING) Air passage continuity
between (A) and (B) Air passage continuity
between (A) and (C)
TRVL Existed Not existed IDLE Not existed Existed
Condition Air passage continuity
between (A) and (B) Air passage continuity
between (A) and (C)
12 V direct current supply be-
tween terminals 1 and 2 Existed Not existed
No supply Not existed Existed
JMBIA0180ZZ
PBIB2532E
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM