NISSAN TEANA 2008 Service Manual

INT-4
< FUNCTION DIAGNOSIS >
REAR SUNSHADE SYSTEM
FUNCTION DIAGNOSIS
REAR SUNSHADE SYSTEM
System DiagramINFOID:0000000003819258
System DescriptionINFOID:0000000003819261
REAR SUNSHADE OPERATION
 When pressing the UP button of the rear sunshade switch, the rear sunshade moves to the upward position.
 When pressing the DOWN button of the rear sunshade switch, the rear sunshade moves to the downward
position.
 When shifting the selector lever to the “R” position while the rear sunshade is in the upward position, the rear
sunshade moves automatically to the downward position.
Component Parts LocationINFOID:0000000003819263
JMJIA1849ZZ
1. Rear sunshade motor B94 2. Rear sunshade switch (front) M211 3. Rear sunshade switch (rear) M449
4. Rear sunshade control unit B93
A. View with the rear parcel shelf finish-
er removedB. Trunk room upper left
JMJIA1720ZZ

REAR SUNSHADE SYSTEM
INT-5
< FUNCTION DIAGNOSIS >
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B
INT
N
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Component DescriptionINFOID:0000000003819264
Component Function
Rear sunshade motor Moves rear sunshade
Rear sunshade switch (front and rear) Sends UP and DOWN input signal to rear sunshade control unit
Rear sunshade control unitMoves the rear sunshade upward or downward according to the UP and DOWN signals
from the rear sunshade switch

INT-6
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
REAR SUNSHADE CONTROL UNIT
REAR SUNSHADE CONTROL UNIT : Diagnosis ProcedureINFOID:0000000003819270
1.CHECK POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect rear sunshade control unit connector.
3. Turn ignition switch ON.
4. Check voltage between rear sunshade control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace harness.
2.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between rear sunshade control unit harness connector and ground.
Is the result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
(+)
(–)Voltage (V)
(Approx.) Rear sunshade control unit
Connector Terminal
B93 8 Ground Battery voltage
Rear sunshade control unit
GroundContinuity
Connector Terminal
B931
Existed
4

REAR SUNSHADE SWITCH
INT-7
< COMPONENT DIAGNOSIS >
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INT
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REAR SUNSHADE SWITCH
FRONT
FRONT : DescriptionINFOID:0000000003866163
When rear sunshade switch (front) is operated, rear sunshade motor is activated.
FRONT : Component Function CheckINFOID:0000000003866168
1.CHECK REAR SUNSHADE FUNCTION
Check that rear sunshade moves upwards and downwards when rear sunshade switch (front) is operated.
Is the inspection result normal?
YES >> Rear sunshade function is OK.
NO >> Refer to INT-7, "
FRONT : Diagnosis Procedure".
FRONT : Diagnosis ProcedureINFOID:0000000003820122
1.CHECK REAR SUNSHADE SWITCH (FRONT) POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear sunshade switch (front) connector.
3. Turn ignition switch ON.
4. Check voltage between rear sunshade switch (front) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 3.
2.CHECK REAR SUNSHADE SWITCH (FRONT) GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between rear sunshade switch (front) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
3.CHECK REAR SUNSHADE SWITCH (FRONT) CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear sunshade switch (front and rear) connector and rear sunshade control unit connector.
3. Check continuity between rear sunshade switch (front) harness connector and rear sunshade control unit
harness connector.
4. Check continuity between rear sunshade switch harness connector and ground.
(+)
(–)Voltage (V)
(Approx.) Rear sunshade switch (front)
Connector Terminal
M2113
Ground Battery voltage
4
Rear sunshade switch (front)
GroundContinuity
Connector Terminal
M211 1 Existed
Rear sunshade switch (front) Rear sunshade control unit
Continuity
Connector Terminal Connector Terminal
M2113
B935
Existed
46

INT-8
< COMPONENT DIAGNOSIS >
REAR SUNSHADE SWITCH
Is the inspection result normal?
YES >> Replace rear sunshade control unit. Refer to INT-61, "Removal and Installation".
NO >> Repair or replace harness.
4.CHECK REAR SUNSHADE SWITCH (FRONT)
Check rear sunshade switch (front). Refer to INT-8, "
FRONT : Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace rear sunshade switch (front). Refer to INT-62, "
FRONT : Removal and Installation".
5.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
FRONT : Component InspectionINFOID:0000000003819272
1..CHECK REAR SUNSHADE SWITCH (FRONT)
1. Turn ignition switch OFF.
2. Disconnect rear sunshade switch (front) connector.
3. Check continuity between rear sunshade switch (front) terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace rear sunshade switch (front). Refer to INT-62, "
FRONT : Removal and Installation".
REAR
REAR : DescriptionINFOID:0000000003866169
When rear sunshade switch (rear) is operated, rear sunshade motor is activated.
REAR : Component Function CheckINFOID:0000000003866170
1.CHECK REAR SUNSHADE FUNCTION
Check that rear sunshade moves upwards and downwards when rear sunshade switch (rear) is operated.
Is the inspection result normal?
YES >> Rear sunshade function is OK.
NO >> Refer to INT-8, "
REAR : Diagnosis Procedure".
REAR : Diagnosis ProcedureINFOID:0000000003820123
1.CHECK REAR SUNSHADE SWITCH (REAR) POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
Rear sunshade switch (front)
GroundContinuity
Connector Terminal
M2113
Not existed
4
Rear sunshade switch (front)
Condition Continuity
Te r m i n a l
3
1UP Existed
NEUTRAL Not existed
4DOWN Existed
NEUTRAL Not existed

REAR SUNSHADE SWITCH
INT-9
< COMPONENT DIAGNOSIS >
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INT
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2. Disconnect rear sunshade switch (rear) connector.
3. Turn ignition switch ON.
4. Check voltage between rear sunshade switch (rear) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 3.
2.CHECK REAR SUNSHADE SWITCH (REAR) GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between rear sunshade switch (rear) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
3.CHECK REAR SUNSHADE SWITCH (REAR) CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear sunshade switch (front and rear) connector and rear sunshade control unit connector.
3. Check continuity between rear sunshade switch (rear) harness connector and rear sunshade control unit
harness connector.
4. Check continuity between rear sunshade switch harness connector and ground.
Is the inspection result normal?
YES >> Replace rear sunshade control unit. Refer to INT-61, "Removal and Installation".
NO >> Repair or replace harness.
4.CHECK REAR SUNSHADE SWITCH (REAR)
Check rear sunshade switch (rear). Refer to INT-10, "
REAR : Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace rear sunshade switch (rear). Refer to INT-63, "
REAR : Removal and Installation".
5.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
(+)
(–)Voltage (V)
(Approx.) Rear sunshade switch (rear)
Connector Terminal
B4493
Ground Battery voltage
4
Rear sunshade switch (rear)
GroundContinuity
Connector Terminal
B449 1 Existed
Rear sunshade switch (rear) Rear sunshade control unit
Continuity
Connector Terminal Connector Terminal
B4493
B935
Existed
46
Rear sunshade switch (rear)
GroundContinuity
Connector Terminal
B4493
Not existed
4

INT-10
< COMPONENT DIAGNOSIS >
REAR SUNSHADE SWITCH
>> INSPECTION END
REAR : Component InspectionINFOID:0000000003819274
1..CHECK REAR SUNSHADE SWITCH (REAR)
1. Turn ignition switch OFF.
2. Disconnect rear sunshade switch (rear) connector.
3. Check continuity between rear sunshade switch (rear) terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace rear sunshade switch (rear). Refer to INT-63, "
REAR : Removal and Installation".
Rear sunshade switch (rear)
Condition Continuity
Te r m i n a l
3
1UP Existed
NEUTRAL Not existed
4DOWN Existed
NEUTRAL Not existed

REAR SUNSHADE MOTOR
INT-11
< COMPONENT DIAGNOSIS >
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INT
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REAR SUNSHADE MOTOR
DescriptionINFOID:0000000003866171
When rear sunshade switch (front and rear) signals are received, rear sunshade moves upwards or down-
wards.
Component Function CheckINFOID:0000000003866172
1.CHECK REAR SUNSHADE MOTOR OPERATION
Check rear sunshade motor operation with rear sunshade switch (front and rear).
Is the inspection result normal?
YES >> Rear sunshade motor is OK.
NO >> Refer to INT-11, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000003820124
1.CHECK REAR SUNSHADE MOTOR INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect rear sunshade motor connector.
3. Turn ignition switch ON.
4. Check voltage between rear sunshade motor harness connector and ground.
Is the inspection result normal?
YES >> Replace rear sunshade motor. Refer to INT-45, "Removal and Installation".
NO >> GO TO 2.
2.CHECK REAR SUNSHADE MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear sunshade motor connector and rear sunshade control unit connector.
3. Check continuity between rear sunshade motor harness connector and rear sunshade control unit har-
ness connector.
4. Check continuity between rear sunshade motor harness connector and ground.
Is the inspection result normal?
YES >> Replace rear sunshade control unit. Refer to INT-61, "Removal and Installation".
NO >> Repair or replace harness.
(+)
(–) ConditionVoltage (V)
(Approx.) Rear sunshade motor
Connector Terminal
B941
GroundRear sunshade
switchUP Battery voltage
DOWN 0
2UP 0
DOWN Battery voltage
Rear sunshade motor Rear sunshade control unit
Continuity
Connector Terminal Connector Terminal
B941
B933
Existed
22
Rear sunshade motor
GroundContinuity
Connector Terminal
B941
Not existed
2

INT-12
< COMPONENT DIAGNOSIS >
REVERSE SIGNAL CIRCUIT
REVERSE SIGNAL CIRCUIT
DescriptionINFOID:0000000003866177
Reverse input signal is sent to rear sunshade control unit.
Component Function CheckINFOID:0000000003866178
1.CHECK REVERSE INPUT SIGNAL
Check when shifting the selector lever to the R position with the rear sunshade moved to the downward posi-
tion.
Is the inspection result normal?
YES >> Reverse input signal is OK.
NO >> Refer to INT-12, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000003820127
1.CHECK REAR SUNSHADE CONTROL UNIT REVERSE INPUT SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear sunshade control unit connector.
3. Turn ignition switch ON.
4. Shift selector lever to the R position.
5. Check voltage between rear sunshade control unit harness connector and ground.
Is the inspection result normal?
YES >> Replace rear sunshade control unit. Refer to INT-61, "Removal and Installation".
NO >> Check back up lamp circuit. Refer to EXL-274, "
Wiring Diagram - BACK-UP LAMP -".
(+)
(–) ConditionVoltage (V)
(Approx.) Rear sunshade control unit
Connector Terminal
B93 7 Ground Selector leverR position Battery voltage
Other than 0

REAR SUNSHADE CONTROL UNIT
INT-13
< ECU DIAGNOSIS >
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ECU DIAGNOSIS
REAR SUNSHADE CONTROL UNIT
Reference ValueINFOID:0000000003819279
TERMINAL LAYOUT
PHYSICAL VALUES
JMJIA1837ZZ
Terminal No. Description
ConditionVoltage (V)
(Approx.)
(+) (–) Signal nameInput/
Output
1
(B)Ground Switch ground — — 0
2
(GR)GroundRear sunshade motor operates down
signalOutputWhen rear sunshade switch is oper-
ated DOWNBattery voltage
3
(R)GroundRear sunshade motor operates up sig-
nalOutputWhen rear sunshade switch is oper-
ated UPBattery voltage
4
(B)Ground Ground — — 0
5
(V)Ground Rear sunshade up signal OutputIgnition switch ON Battery voltage
Sunshade switch UP
(When the switch is pressed)0
6
(BR)Ground Rear sunshade down signal OutputIgnition switch ON Battery voltage
Sunshade switch DOWN
(When the switch is pressed)0
7
(R)Ground Reverse signal InputSelf lever is in the R position Battery voltage
Other than above 0
8
(SB)Ground Ignition power supply Input Ignition switch ON Battery voltage