relay NISSAN TEANA 2014 Service Manual

HEATED STEERING WHEEL SYSTEMST-25
< DTC/CIRCUIT DIAGNOSIS >
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1. Turn ignition switch OFF.
2. Remove heated steering relay. Refer to ST-7, "HEATED STEERING WHEEL SYSTEM : Component
Parts Location".
3. Apply 12V direct current between heated steering relay terminals and check continuity.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace heated steering wheel relay.
Component Inspection (H eated Steering Wheel)INFOID:0000000009461261
1.CHECK HEATED STEERING WHEEL CONTINUITY
1. Turn ignition switch OFF.
2. Remove the steering wheel. Refer to ST-31, "Removal and Installation"
.
3. Check continuity between steering wheel connector terminals.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace heated steering wheel.
2.CHECK HEATED STEERING WHEEL RESISTANCE
Check resistance between heated steering wheel connector terminals.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace heated steering wheel. Refer to ST-31, "Removal and Installation"
.
Terminal Condition Continuity
3 − 5 12V direct current applied between termi-
nals 1 and 2. Ye s
No current applied. No
Terminals Condition Continuity
1 − 2 Surface temperature of less than 30
°C
(86 °F) Ye s
Surface temperature of 30 °C (86 °F) or
more No
Terminals Condition Resistance
1 − 2 Surface temperature of 20 °C (68 °F) 1.7 – 2.17 Ω
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

ST-26
< DTC/CIRCUIT DIAGNOSIS >
HEATED STEERING WHEEL SWITCH INDICATOR LAMP
HEATED STEERING WHEEL SWITCH INDICATOR LAMP
Component Function CheckINFOID:0000000009461262
1.CHECK HEATED STEERING WHEEL SWITCH INDICATOR LAMP
1. Turn ignition switch ON.
2. Turn heated steering wheel switch ON. Observe indicator.
3. Turn heated steering wheel switch OFF. Observe indicator.
Does heated steering wheel switch indicator lamp turn ON and then OFF?
YES >> Inspection End.
NO >> Go to ST-26, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000009461263
1.CHECK POWER CIRCUIT
1. Turn ignition switch OFF.
2. Remove the heated steering wheel switch.
3. Turn ignition switch ON.
4. Check voltage between heated steering wheel switch harness connector M51.
Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 3.
2.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect heated steering wheel switch connector.
3. Check continuity between heated steering wheel switch harness connector terminal M51 and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the harness or connectors.
3.CHECK HARNESS BETWEEN HEATED STEERING RELAY AND HEATED STEERING WHEEL SWITCH
1. Disconnect heated steering relay connector.
2. Check continuity between heated steering rela y harness connector terminal M90 and heated steering
wheel switch harness connector M51.
3. Check continuity between heated steer ing relay harness connector M90 and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness or connectors.
Connector Te r m i n a l
Voltage (Approx.)
+-
M51 1 2 Battery voltage
Connector Terminal GroundContinuity
M51 6 Yes
Heated steering relay Heated steering wheel switch Continuity
Connector Terminal Connector Terminal
M90 5 M51 5 Yes
Connector Terminal GroundContinuity
M90 5 No
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

HEATED STEERING WHEEL SWITCH INDICATOR LAMPST-27
< DTC/CIRCUIT DIAGNOSIS >
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4.CHECK HEATED STEERING RELAY
Check heated steering relay. Refer to ST-24, "Component Inspection (Heated Steering Relay)"
.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace heated steering relay.
5.CHECK BATTERY POWER
Check the following:
•Battery
• Harness for open or short between battery and 10A fuse (No. 2)
• 10A fuse (No. 2)
• Harness for open or short between 10A fuse (No. 2) and heated steering wheel relay
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair harness or connector.
6.CHECK HARNESS BETWEEN A/C AUTO AMP. AND HEATED STEERING WHEEL SWITCH
1. Check continuity between A/C Auto amp. harne ss connector M152 and heated steering wheel switch har-
ness connector M51.
2. Check continuity between A/C Auto amp. harness connector M152 and ground.
Is the inspection result normal?
YES >> GO TO 7.
NO >> Repair or replace the harness or connectors.
7.CHECK HEATED STEERING WHEEL SWITCH
Check heated steering wheel switch. Refer to ST-24, "Component Inspection (Heated Steering Wheel
Switch)".
Is the inspection result normal?
YES >> Replace A/C Auto amp. Refer to HAC-102, "Removal and Installation".
NO >> Replace heated steering wheel switch.
A/C Auto amp. Heated steering wheel switch Continuity
Connector Terminal Connector Terminal
M152 8 M51 1 Yes
A/C auto amp. GroundContinuity
Connector Terminal
M152 8 No
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

STR-4
< SYSTEM DESCRIPTION >
COMPONENT PARTS
SYSTEM DESCRIPTION
COMPONENT PARTS
QR25DE
QR25DE : Component Parts LocationINFOID:0000000009461219
QR25DE : Component DescriptionINFOID:0000000009461220
VQ35DE
1. Transmission range switch 2. Starter motor 3. IPDM E/R
4. BCM (view with combination meter re- moved)
AWBIA1287ZZ
Component part Description
Transmission range switch Transmission range switch supplies power to the starter relay and
starter control relay inside the IPDM E/R when the shift selector is
placed in the P or N position.
BCM BCM controls the starter relay inside IPDM E/R.
IPDM E/R CPU inside IPDM E/R operates the starter relay when the ignition
switch is in the start position.
Starter motor The starter motor plunger closes and the motor is supplied with
battery power, which in turn cranks the engine, when the S termi-
nal is supplied with electric power.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

COMPONENT PARTSSTR-5
< SYSTEM DESCRIPTION >
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VQ35DE : Component Parts LocationINFOID:0000000009461221
VQ35DE : Component DescriptionINFOID:0000000009461222
Vehicle front
1. Starter motor 2. Transmission range switch 3. IPDM E/R
4. BCM (view combination meter re- moved)
AWBIA1288ZZ
Component part Description
Transmission range switch Transmission range switch supplies power to the starter relay and
starter control relay inside the IPDM E/R when the shift selector is
placed in the P or N position.
BCM BCM controls the starter relay inside IPDM E/R.
IPDM E/R CPU inside IPDM E/R operates the starter relay when the ignition
switch is in the start position.
Starter motor The starter motor plunger closes and the motor is supplied with
battery power, which in turn cranks the engine, when the S termi-
nal is supplied with electric power.
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STR-6
< SYSTEM DESCRIPTION >
SYSTEM
SYSTEM
System DiagramINFOID:0000000009461223
System DescriptionINFOID:0000000009461224
The starter motor plunger closes and provides a closed circuit between the battery and the starter motor. The
starter motor is grounded to the cylinder block. With power and ground supplied, the starter motor operates.
Component DescriptionINFOID:0000000009461225
AWBIA1774GB
Component part Description
Transmission range switch Transmission range switch supplies power to the starter relay and
starter control relay inside the IPDM E/R when the shift selector is
placed in the P or N position.
BCM BCM controls the starter relay inside IPDM E/R.
IPDM E/R CPU inside IPDM E/R controls the starter control relay.
Starter motor The starter motor plunger closes and the motor is supplied with
battery power, which in turn cranks the engine, when the “S” ter-
minal is supplied with electric power.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

TM-48
< SYSTEM DESCRIPTION >[CVT: RE0F10D]
DIAGNOSIS SYSTEM (TCM)
*: Not applicable but displayed.
WORK SUPPORT
Engine brake adjustment
Check the degradation level of the CVT fluid.
ACTIVE TEST
NORMAL MODE* (On/Off) D
isplays whether it is the NORMAL mode.
SPORT MODE* (On/Off) Displays whether it is the SPORT mode.
AIR BLDING STATE* (INCOMP/
COMP) Displays the status of “E
LECTRIC O.P. AIR BLEEDING”
in “Work Support”.
ELECTRIC OP DUTY* (%) Displays the command signal value (duty) of the electric
oil pump transmitted from TCM.
E-OP DUTY MON* (%) Monitors the status signal value (duty) transmitted from
the electric oil pump and displays the monitored value.
ELECTRIC OP RELAY* (On/Off) Displays the command status from TCM to the electric oil
pump relay.
E-OP RELAY MON* (On/Off) Monitors the command status from TCM to the oil pump
relay and displays the monitored value.
Monitored item (Unit)
Monitor item selection
Remarks
ECU IN-
PUT SIG-
NALS MAIN SIG-
NALS
Item name Description
CONFORM CVTF DETERIORTN Checks the degradation level of the CVT fluid under severe conditions.
ERASE MEMORY DATA Performs “erasing of the calibration data” and “erasing of the learned value” at the
same time.
G SENSOR CALIBRATION Compensates the G sensor.
ERASE LEARNING VALUE Erases lear ning value memorized by TCM.
ENGINE BRAKE ADJ. Although there is no malfunction on the transaxle and the CVT system, if a cus-
tomer make a complaint like “I do not feel comfortable with automatic operation of
the engine brake on downhill”, the engine brake may be cancelled with “engine
brake adjustment”.
ERASE CALIBRATION DATA Erases cali bration data memorized by TCM.
WRITE IP CHARA - REPLACEMENT AT/CVT Writes IP characteristics when transaxle assembly is replaced.
READ IP CHARA - REPLACEMENT TCM Reads IP characteristics when TCM is replaced.
WRITE IP CHARA - REPLACEMENT TCM Writes IP characteristics when TCM is replaced.
ENGINE BRAKE LEVEL
ON : Turn ON the engine brake control.
OFF : Turn OFF the engine brake control.
CVTF degradation level data
210,000 or more : Replacement of the CVT fluid is required.
Less than 210,000 : Replacement of the CVT fluid is not required.
Item name Description
CVT OIL COOLER FAN CIRCUIT Checks the operation of CVT oil cooler fan relay.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

TCM
TM-53
< ECU DIAGNOSIS INFORMATION > [CVT: RE0F10D]
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TERMINAL LAYOUT
INPUT/OUTPUT SIGNAL STANDARD
AIR BLDING STATE Always COMP
ELECTRIC OP DUTY Always 0%
E-OP DUTY MON Always 0%
ELECTRIC OP RELAY Always Off
E-OP RELAY MON Always Off
CVT-B* — —
CVT-A* — — Monitor item Condition Value/Status (Approx.)
JSDIA2713ZZ
Te r m i n a l N o .
(Wire color) Description
Condition Value (Approx.)
+ − Signal Input/
Output
2
(SB) Ground DS position switch Input
Ignition
switch
ON Selector lever: “DS” posi-
tion 10
− 16 V
Other than the above 0 V
4
(LG) Ground D position switch Input Selector lever:
“D” position 10 − 16 V
Other than the above 0 V
5
(BR) Ground N position switch Input Selector lever:
“N” position 10 − 16 V
Other than the above 0 V
6
(L) Ground R position switch Input Selector lever:
“R” position 10 − 16 V
Other than the above 0 V
7
(V) Ground P position switch Input Selector lever:
“P” position 10 − 16 V
Other than the above 0 V
11
(Y) Ground Sensor ground Input Always 0 V
12
(V) Ground CVT fluid tempera-
ture sensor OutputIgnition
switch
ON CVT fluid: Approx. 20
°C
(68 °F) 2.01 – 2.05 V
CVT fluid: Approx. 50 °C
(122 °F) 1.45 – 1.50 V
CVT fluid: Approx. 80 °C
176 °F) 0.90 – 0.94 V
16
(Y) Ground
Secondary pres-
sure sensor Input
• Selector lever: “N” position
• At idle 1.67 – 1.69 V
17
(LG) Ground Primary pressure
sensor Input• Selector lever: “N” position
• At idle 0.90 – 0.92 V
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

TM-144
< DTC/CIRCUIT DIAGNOSIS >[CVT: RE0F10D]
P0890 TCM
P0890 TCM
DTC LogicINFOID:0000000009464085
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.
>> GO TO 2.
2.CHECK DTC DETECTION
1. Start the engine and wait for 5 seconds or more.
2. Check the DTC.
Is
“P0890” detected?
YES >> Go to TM-144, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009464086
1.CHECK TCM POWER SUPPLY (BACK-UP) CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect TCM connector.
3. Check voltage between TCM harness connector terminals and ground.
Is the inspection result normal?
YES >> Check intermitt ent incident. Refer to GI-43, "Intermittent Incident".
NO >> GO TO 2.
2.DETECT MALFUNCTIONING ITEMS
Check the following items:
• Open or short circuit of harness between battery pos itive terminal and TCM connectors terminals 45 and 46.
• 10A fuse (No.60, located in the fuse and fusible link block). Refer to PG-71, "Terminal Arrangement"
.
Is the inspection result normal?
YES >> Check intermitt ent incident. Refer to GI-43, "Intermittent Incident".
NO >> Repair or replace malfunctioning parts.
DTC CONSULT screen terms
(Trouble diagnosis content) DTC detection condition Possible causes
P0890 TCM
(Transmission Control Module
Power Relay Sense Circuit
Low) When all of the following conditions are satis-
fied and this state is maintained for 0.2 sec-
onds:
• TCM power supply voltage: More than 11 V
• Battery voltage: Less than 8.4 V Harness or connector
(TCM power supply (b ack-up) circuit is
open or shorted.)
TCM Ground Voltage
Connector Terminal
F16 45
Ground 10 – 16 V
46
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

TM-170
< DTC/CIRCUIT DIAGNOSIS >[CVT: RE0F10D]
SHIFT LOCK SYSTEM
SHIFT LOCK SYSTEM
Component Function CheckINFOID:0000000009464113
1.CHECK SHIFT LOCK OPERATION (PART 1)
1. Turn ignition ON.
2. Shift the selector lever to “P” (Park) position.
3. Attempt to shift the selector lever to any other than position with the brake pedal released.
Can the selector lever be shifted to any other position?
YES >> Go to TM-170, "Diagnosis Procedure".
NO >> GO TO 2.
2.CHECK SHIFT LOCK OPERATION (PART 2)
Attempt to shift the selector lever to any other than position with the brake pedal depressed.
Can the selector lever be shifted to any other position?
YES >> Inspection End.
NO >> Go to TM-170, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000009464114
Regarding Wiring Diagram information, refer to TM-73, "Wiring diagram".
1. CHECK POWER SOURCE (STOP LAMP SWITCH)
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch connector.
3. Check voltage between stop lamp switch connector E38 terminal 1 and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Check the following: • Harness for short or open between fuse block (J/B) and stop lamp switch
• 10A fuse (No. 10, located in fuse block [J/B])
2.CHECK STOP LAMP SWITCH
Check stop lamp switch. Refer to TM-173, "Component Inspection (Stop Lamp Switch)"
.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace stop lamp switch. Refer to BR-18, "Exploded View"
.
3.CHECK HARNESS BETWEEN STOP LAMP SWITCH AND STOP LAMP RELAY
1. Check continuity between stop lamp relay connecto r E57 terminal 2 and stop lamp switch connector E38
terminal 2.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace damaged parts.
Stop lamp switch
GroundVoltage
Connector Terminal
E38 1 Battery voltage
Stop lamp switch Stop lamp relay Continuity
Connector Terminal Connector Terminal
E38 2 E57 2 Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM