2003 NISSAN TEANA Power

REAR WINDOW DEFOGGER
GW-63
C
D
E
F
G
H
J
K
L
MA
B
GW

CONSULT-II Function (BCM)BIS00105
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II Start procedureBIS0016N
Refer to GI-34, "CONSULT-II Start Procedure"
CONSULT-II Application ItemsBIS0016O
DATA MONITOR
Display Item List
ACTIVE TEST
Display Item List
Trouble Diagnoses Symptom ChartBIS00106
Check that other systems using the signal of the following systems operate normally.
BCM diagnostic test itemCheck item,
diagnostic test modeContent
Rear defoggerData monitor Displays the input data of BCM in real time.
Active test Gives a drive signal to a load to check the operation.
Monitor item Content
IGN ON SW indicates [ON/OFF] condition of ignition switch in ON position.
ACC ON SW indicates [ON/OFF] condition of ignition switch in ACC position.
REAR DEF SW indicates [ON/OFF] condition of rear window defogger switch.
Test item Content
REAR DEFOGGER This test is able to check rear window defogger operation.
Symptom Diagnoses / service procedureReference
page
Rear window defogger and door mirror defogger do not
operate.1. Check BCM power supply and ground circuit.GW-64
2.Check IPDM E/R auto active test.PG-21
3. Check rear window defogger switch circuit.GW-65
4. Check rear window defogger power supply circuit.GW-66
5. Replace IPDM E/R.PG-28
Rear window defogger does not operated.1. Check BCM power supply and ground circuit.GW-64
2. Check IPDM E/R auto active test.PG-21
3.Check rear window defogger switch circuit.GW-65
4. Check rear window defogger power supply circuit.GW-66
5. Check rear window defogger circuit.GW-67
6. Check filament.GW-72
7. Replace IPDM E/R.PG-28
Rear window defogger does not operate but door mirror
defoggers operate.1. Check rear window defogger circuit.GW-67
2. Check filament.GW-72
Both of door mirror defoggers do not operated but rear
window defogger operate.1. Check door mirror defogger power supply circuit.GW-68
Driver side door mirror defogger does not operated. 1. Check driver side door mirror defogger circuit.GW-70
Passenger side door mirror defogger does not operated. 1. Check passenger side door mirror defogger circuit.GW-71

GW-64
REAR WINDOW DEFOGGER

Check BCM Power Supply and Ground Circuit BIS00107
First perform the “SELF-DIAG RESULTS” in “BCM” with CONSULT-II, when perform the each trouble
diagnosis. Refer to BCS-14, "
CAN Communication Inspection Using CONSULT-II (Self-Diagnosis)" .
1. CHECK FUSE

10A fuse [No.1, located in fuse block (J/B)]

15A fuse [No.17, located in fuse block (J/B)]

50A fusible link (letter M, located in the fuse and fusible link box).
NOTE:
Refer to GW-54, "
Component Parts and Harness Connector Location" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown out, be sure to eliminate cause of malfunction before installing new fuse. Refer to
PG-3, "
POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
Check voltage between BCM connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Check BCM power supply circuit for open or short.
3. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between BCM connector M4 terminal 52 and
ground.
OK or NG
OK >> Power supply and ground circuit are OK.
NG >> Check BCM ground circuit for open.
ConnectorTerminal
Condition of ignition
switchVoltage [V]
(Approx.)
(+) (-)
M338 (R)
GroundON
Battery voltage 42 (LG)
OFF
M4 55 (W/B)
PIIB1097E
52 (B) – Ground : Continuity should exist.
PIIB1099E

GW-66
REAR WINDOW DEFOGGER

3. CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Turn ignition switch ON.
3. Check voltage between BCM connector M3 terminal 9 and
ground.
OK or NG
OK >> Replace A/C and AV switch.
NG >> Replace BCM.
Check Rear Window Defogger Power Supply Circuit BIS00109
1. CHECK FUSE

10A fuse [No.12, located in fuse block (J/B)]

20A fuse (No.75, located in the IPDM E/R)
NOTE:
Refer to GW-54, "
Component Parts and Harness Connector Location" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown out, be sure to eliminate cause of malfunction before installing new fuse, refer to
PG-3, "
POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Remove rear window defogger relay.
2. Turn ignition switch ON.
3. Check voltage between rear window defogger relay connector
and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between fuse block (J/B) and
rear window defogger relay.
3. CHECK REAR WINDOW DEFOGGER RELAY
Check continuity between rear window defogger terminals 3 and 5.
OK or NG
OK >> GO TO 4.
NG >> Replace rear window defogger relay.9 (GR/L) – Ground : Approx. 5V
PIIA6208E
1 (G) – Ground : Battery voltage
3 (L) – Ground : Battery voltage
PIIB1098E
Terminal Condition Continuity
3512V direct current supply
between terminals 1 and 2Ye s
No current supply No
SEC202B

REAR WINDOW DEFOGGER
GW-67
C
D
E
F
G
H
J
K
L
MA
B
GW

4. CHECK REAR WINDOW DEFOGGER RELAY GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Install rear window defogger relay.
3. Turn ignition switch ON.
4. Check voltage between rear defogger relay connector and
ground.
OK or NG
OK >> Rear window defogger power supply circuit is OK.
NG >> GO TO 5.
5. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and rear window defogger relay.
3. Check continuity between IPDM E/R connector E9 terminal 52
and rear window defogger relay connector B203 terminal 2.
OK or NG
OK >> Check harness connection.

If it is OK, replace IPDM E/R.

If it is NG, repair or replace malfunction part.
NG >> Repair or replace harness.
Check Rear Window Defogger Circuit BIS0010A
1. CHECK POWER SUPPLY CIRCUIT 1
1. Turn ignition switch OFF.
2. Disconnect rear window defogger connector.
3. Turn ignition switch ON.
4. Check voltage between rear window defogger connector and
ground.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
ConnectorTerminals (Wire color)
ConditionVoltage [V]
(Approx.)
(+) (-)
B203 2 (G/R) GroundRear window defogger
switch ON0
Rear window defogger
switch OFFBattery
voltage
PIIB1282E
52 (G/R) – 2 (G/R) : Continuity should exist.
PIIA6211E
ConnectorTerminal (Wire color)
ConditionVoltage [V]
(Approx.)
(+) (–)
B251 1(G) GroundRear window defogger
switch ON Battery voltage
Rear window defogger
switch OFF0
PIIA4234E

GW-68
REAR WINDOW DEFOGGER

2. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between rear window defogger connector
B252 terminal 2 and ground.
OK or NG
OK >> Check filament. Refer to GW-72, "Check Filament"

If filament is OK, check condition of harness and con-
nector.

If filament is NG, repair filament.
NG >> Repair or replace harness.
3. CHECK HARNESS CONTINUITY 1
1. Turn ignition switch OFF.
2. Disconnect rear window defogger relay connector and condenser connector.
3. Check continuity between rear window defogger relay connector
B203 terminal 5 and condenser connector B216 terminal 1.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK HARNESS CONTINUITY 2
1. Check continuity between condenser connector B216 terminal 1
and rear window defogger connector B251 terminal 1.
2. Check continuity between condenser connector B216 terminal 1
and ground.
OK or NG
OK >> Check condition of harness and connector.
NG >> Replace condenser.
Check Door Mirror Defogger Power Supply Circuit BIS0010B
1. CHECK FUSE

Check 10A fuse [No.32, located in fuse block (J/B)]
NOTE:
Refer to GW-54, "
Component Parts and Harness Connector Location"
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
3, "POWER SUPPLY ROUTING CIRCUIT"
2 (B) − Ground : Continuity should exist.
PIIA4235E
5 (G) – 1 (G) : Continuity should exist.
PIIB1100E
1 (G) – 1 (B) : Continuity should exist.
1 (G) – Ground : Continuity should not exist.
PIIB1101E

REAR WINDOW DEFOGGER
GW-69
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D
E
F
G
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J
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MA
B
GW

2. CHECH REAR WINDOW DOFOGGER RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Remove rear window defogger relay.
3. Turn ignition switch ON.
4. Check voltage between rear window defogger relay harness
connector B203 terminal 6 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK REAR WINDOW DEFOGGER RELAY
Check continuity between rear window defogger relay terminal 6 and 7.
OK or NG
OK >> GO TO 4.
NG >> Replace rear window defogger relay.
4. CHECK HARENSS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect door mirror connector.
3. Check continuity between door mirror D3 (driver side), D33
(passenger side) terminal 2 and rear window defogger relay
connector B203 terminal 7.
OK or NG
OK >> Check the condition of the harness and the connector.
NG >> Repair or replace harness.6 (W) - Ground : Battery voltage
PIIA9561E
Terminal Condition Continuity
6712V direct current supply
between terminals 1 and 2Ye s
No current supply No
SEC202B
2 (L/B) - 7 (L/B) : Continuity should exist.
PIIB2181E

GW-70
REAR WINDOW DEFOGGER

Check Driver Side Door Mirror Defogger Circuit BIS0010C
1. CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door mirror (driver side) connector.
3. Turn ignition switch ON.
4. Check voltage between door mirror (driver side) connector and
ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2. CHECK DOOR MIRROR DEFOGGER GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between door mirror (driver side) connector D3
terminal 3 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK DOOR MIRROR DEFOGGER
Check continuity between door mirror (driver side) terminal 2 and 3.
OK or NG
OK >> Check the condition of the harness and the connector.
NG >> Replace door mirror (driver side).
ConnectorTerminal (Wire color)
Condition of rear win-
dow defogger switchVoltage (V)
(Approx.)
(+) (–)
D3 2 (L/B) GroundON Battery voltage
OFF 0
PIIB2182E
3 (B) – Ground : Continuity should exist.
PIIB2183E
2 – 3 : Continuity should exist.
PIIB2184E

REAR WINDOW DEFOGGER
GW-71
C
D
E
F
G
H
J
K
L
MA
B
GW

Check Passenger Side Door Mirror Defogger Circuit BIS0010D
1. CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door mirror (passenger side) connector.
3. Turn ignition switch ON.
4. Check voltage between door mirror (passenger side) connector
and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2. CHECK DOOR MIRROR DEFOGGER GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between door mirror (passenger side) connec-
tor D33 terminal 3 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK DOOR MIRROR DEFOGGER
Check continuity between door mirror (passenger side) terminal 2
and 3.
OK or NG
OK >> Check the condition of the harness and the connector.
NG >> Replace door mirror (passenger side).
ConnectorTerminal (Wire color)
Condition of rear win-
dow defogger switchVoltage (V)
(Approx.)
(+) (–)
D33 2 (L/B) GroundPress Battery voltage
OFF 0
PIIB2182E
3 (B) – Ground : Continuity should exist.
PIIB2183E
2 – 3 : Continuity should exist.
PIIB2184E