2007 NISSAN 350Z ignition

GW-68
REAR WINDOW DEFOGGER
Revision: 2006 November2007 350Z
CONSULT-III Function (BCM)NIS0005N
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
DATA MONITOR
Display Item List
ACTIVE TEST
Display Item List
CONSULT-III Function (IPDM E/R)NIS0005O
CONSULT-III can display each diagnostic item using the diagnostic test mode shown following.
DATA MONITOR
ACTIVE TEST
84 —A/C control push switch
power supplyInputIgnition switch
(ON or START position)5
87 —Rear window defogger
switch ON signalInput Rear window defogger switch: ON 0
: OFF 5 Te r -
minalWire
ColorItemSignal
input/out-
putConditionVoltag e (V)
(Approx.)
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 “Operation” Content
REAR DEF SW “ON/OFF”Displays “Press (ON)/others (OFF)” status determined with the rear window defogger
switch.
IGN ON SW “ON/OFF” Displays “IGN (ON)/OFF” status determined with the ignition switch signal.
Test item Content
REAR DEFOGGER Gives a drive signal to the rear window defogger to activate it.
IPDM E/R 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.
Monitored Item Description
RR DEF REQ Indicates [ON/OFF] condition of rear window defogger function by IPDM E/R.
Test Item Description
REAR DEFOGGERThis test is able to check rear window defogger operation. Rear window defogger operates when
“ON” on CONSULT-III screen is touched.

GW-70
REAR WINDOW DEFOGGER
Revision: 2006 November2007 350Z
Check IPDM E/R OperationNIS0005R
1. CHECK IPDM E/R OPERATION
With CONSULT-III
Check IPDM E/R “REAR DEFOGGER” in “ACTIVE TEST” mode with CONSULT-III.
Refer to GW-68, "
ACTIVE TEST" .
YES or NO
YES >> GO TO diagnosis/service procedure 3 in “Trouble Diagnosis Symptom Chart”. Refer to GW-69 .
NO >> GO TO diagnosis/service procedure 4 in “Trouble Diagnosis Symptom Chart”. Refer to GW-69
.
Check Rear Window Defogger Switch CircuitNIS0005S
1. CHECK REAR WINDOW DEFOGGER SWITCH OPERATION
With CONSULT-III
Check (“REAR DEF SW” and “IGN ON SW”) in DATA MONITOR mode with CONSULT-III. Refer to GW-68,
"DATA MONITOR" .
With out CONSULT-III
1. Turn ignition switch ON.
2. Check voltage between BCM connector ground.
OK or NG
OK >> Rear window defogger switch check is OK.
NG >> GO TO 2.
2. REAR WINDOW DEFOGGER SWITCH SIGNAL CIRCUIT HARNESS CONTINUITY INSPECTION
1. Turn ignition switch OFF.
2. Disconnect BCM connector and unified meter and A/C amp.connector.
3. Check continuity between BCM connector M90 terminal 9 and unified meter and A/C amp. connector M50
terminal 38.
4. Check continuity between BCM harness connector M90 terminal
9 and ground
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.When “ACTIVE TEST” is performed, does rear defogger switch indicator illuminate?
When rear defogger switch is turned to ON
REAR DEF SW :ON
When ignition switch is turned to ON
IGN ON SW :ON
ConnectorTerminal (Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
M90 9 (L/R) GroundRear window
defogger switch: ON 0
: OFF 5
PIIA6208E
9 (L/R) – 38 (L/R) : Continuity should exist
9 (L/R) – Ground : Continuity should not exist
PIIB0806E

REAR WINDOW DEFOGGER
GW-71
C
D
E
F
G
H
J
K
L
MA
B
GW
Revision: 2006 November2007 350Z
3. CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Turn ignition switch ON.
3. Check voltage between BCM connector M90 terminal 9 and
ground.
OK or NG
OK >> Replace unified meter and A/C amp.
NG >> Replace BCM.
Check Rear Window Defogger Power Supply CircuitNIS0005T
1. CHECK FUSE
Check 10A fuse [No. 12, located in fuse block (J/B)].
NOTE:
Refer to GW-56, "
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-
4, "POWER SUPPLY ROUTING CIRCUIT" .
2. REAR WINDOW DEFOGGER RELAY POWER SUPPLY CIRCUIT INSPECTION
1. Turn ignition switch OFF.
2. Remove rear window defogger relay.
3. Check voltage between rear window defogger relay connector
B34 terminal 1 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.9 (L/R) – Ground :Approx. 5V
PIIA6208E
1 (G/R) – Ground : Battery voltage
PIIA2377E

GW-72
REAR WINDOW DEFOGGER
Revision: 2006 November2007 350Z
3. REAR WINDOW DEFOGGER RELAY INSPECTION
1. Remove rear window defogger relay.
2. Check continuity between rear window defogger relay terminals
3 and 5, 6 and 7.
OK or NG
OK >> GO TO 4.
NG >> Replace rear window defogger relay.
4. REAR WINDOW DEFOGGER RELAY GROUND CIRCUIT INSPECTION
1. Installation rear window defogger relay.
2. Turn ignition switch ON.
3. Turn rear window defogger switch OFF.
4. Check voltage between IPDM E/R connector E9 terminal 52 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 B34 terminal 2.
OK or NG
OK >> Check the condition of harness and the connector.
NG >> Repair or replace harness.
Terminal Condition Continuity
3512V direct current supply
between terminals 1 and 2Ye s
No current supply No
6712V direct current supply
between terminals 1 and 2Ye s
No current supply No
SEC202B
52 (B) – Ground : Battery voltage
PIIA6210E
52 (W) - 2 (W) :Continuity should exist.
PIIA6211E

REAR WINDOW DEFOGGER
GW-73
C
D
E
F
G
H
J
K
L
MA
B
GW
Revision: 2006 November2007 350Z
Check Rear Window Defogger Circuit / For CoupeNIS0005U
1. REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT INSPECTION
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.
2. REAR WINDOW DEFOGGER GROUND HARNESS INSPECTION
1. Turn ignition switch OFF.
2. Disconnect rear window defogger connector.
3. Check continuity between rear window defogger connector
D211 terminal 2 and ground.
OK or NG
OK >> Rear window defogger circuit is OK.
NG >> Repair or replace harness.
3. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect rear window defogger relay connector.
3. Check continuity between rear window defogger relay connector
B34 terminal 5, 7 and rear window defogger connector D104 ter-
minal 1.
4. Check continuity between rear window defogger relay connector
B34 terminal 5, 7 and ground.
OK or NG
OK >> Check the condition of the harness and the connector.
NG >> Repair or replace harness.
ConnectorTe r m i n a l
(Wire color)
ConditionVoltage [V]
(Approx.)
(+) (–)
D104 1 (B/W) GroundRear window
defogger switch: ON Battery voltage
: OFF 0
PIIA2396E
2 (B) − Ground : Continuity should exist
PIIA2378E
5 (B/W) – 1 (B/W) : Continuity should exist.
7 (B/W) – 1 (B/W) : Continuity should exist.
5 (B/W) – Ground : Continuity should not exist.
7 (B/W) – Ground : Continuity should not exist.
PIIB0807E

GW-74
REAR WINDOW DEFOGGER
Revision: 2006 November2007 350Z
Check Rear Window Defogger Circuit / For RoadsterNIS0005V
1. REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT INSPECTION
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.
2. REAR WINDOW DEFOGGER GROUND HARNESS INSPECTION
1. Turn ignition switch OFF.
2. Disconnect rear window defogger connector.
3. Check continuity between rear window defogger connector
D203 terminal 2 and ground.
OK or NG
OK >> Rear window defogger circuit is OK.
NG >> Repair or replace harness.
3. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect rear window defogger relay connector.
3. Check continuity between rear window defogger relay connector
B34 terminal 5 and rear window defogger connector B202 termi-
nal 1.
OK or NG
OK >> Check the condition of the harness and the connector.
NG >> Repair or replace harness.
ConnectorTerminal
(Wire color)
ConditionVoltage [V]
(Approx.)
(+) (–)
B202 1 (B) GroundRear window
defogger relay: ON Battery voltage
: OFF 0
PIIA2396E
2(B) − Ground : Continuity should exist
PIIA2378E
5 (B/W) – 1 (B) : Continuity should exist.
PIIA4236E

REAR WINDOW DEFOGGER
GW-75
C
D
E
F
G
H
J
K
L
MA
B
GW
Revision: 2006 November2007 350Z
Check Door Mirror Defogger Power Supply CircuitNIS0005W
1. CHECK FUSE

Check 10A fuse [No. 8, located in fuse block (J/B)].
NOTE:
Refer to GW-56, "
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-
4, "POWER SUPPLY ROUTING CIRCUIT" .
2. DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT INSPECTION 1
1. Turn ignition switch ON.
2. Rear window defogger switch operate, check voltage between
fuse block (J/B) connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace between harness.
3. DOOR MIRROR DEFOGGER POWER SUPPLY INSPECTION 2
Rear window defogger switch operate, check voltage between Fuse
block (J/B) connector and ground.
OK or NG
OK >> Repair or replace harness.
NG >> Replace fuse block (J/B).
ConnectorTerminal
(Wire color)
ConditionVoltage [V]
(Approx.)
(+) (–)
E101 2C (Y) GroundRear window
defogger switch: ON Battery voltage
: OFF 0
PIIA2388E
ConnectorTerminal
(Wire color)
ConditionVoltage [V]
(Approx.)
(+) (–)
M5 5B (L) GroundRear window
defogger switch: ON Battery voltage
: OFF 0
PIIA2386E

GW-76
REAR WINDOW DEFOGGER
Revision: 2006 November2007 350Z
Check Driver Side Door Mirror Defogger CircuitNIS0005X
1. DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT INSPECTION
1. Turn ignition switch OFF.
2. Disconnect driver side door mirror defogger connector.
3. Turn ignition switch ON.
4. Rear window defogger switch operate, check voltage between
driver side door mirror defogger connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2. DOOR MIRROR DEFOGGER GROUND HARNESS INSPECTION
1. Turn ignition switch OFF.
2. Check continuity between driver side door mirror defogger con-
nector D2 terminal 1 (B) and ground.
OK or NG
OK >> Check door mirror defogger firmament continuity.
NG >> Repair or replace harness.
Check Passenger Side Door Mirror Defogger Circuit NIS0005Y
1. DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT INSPECTION
1. Turn ignition switch ON.
2. Disconnect passenger side door mirror defogger connector.
3. Rear window defogger switch operate, check voltage between
passenger side door mirror defogger connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
ConnectorTerminal
(Wire color)
ConditionVoltage [V]
(Approx.)
(+) (–)
D2 2 (W/R) GroundRear window
defogger switch: ON Battery voltage
: OFF 0
PIIA2394E
1 (B) – Ground : Continuity should exist.
PIIA2393E
ConnectorTerminal
(Wire color)
ConditionVoltage [V]
(Approx.)
(+) (–)
D32 2 (P/B) GroundRear window
defogger switch: ON Battery voltage
: OFF 0
PIIA2392E