Infiniti G35 (V35). Manual — part 549
REAR WINDOW DEFOGGER
GW-67
C
D
E
F
G
H
J
K
L
M
A
B
GW
CONSULT-II Function (BCM)
NIS000F8
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II START PROCEDURE
Refer to
GI-37, "CONSULT-II Start Procedure"
DATA MONITOR
Display Item List
ACTIVE TEST
Display Item List
BCM diagnostic test item
Check item diagnostic test mode
Content
REAR DEFOGGER
Data 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.
GW-68
REAR WINDOW DEFOGGER
Work Flow
NIS000F9
1.
Check the symptom and customer's requests.
2.
Understand the outline of system. Refer to
3.
According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to
"Trouble Diagnoses Symptom Chart"
.
4.
Does rear window defogger operate normally? YES: GO TO 5, NO: GO TO 3.
5.
INSPECTION END.
Trouble Diagnoses Symptom Chart
NIS000FA
Check that other systems using the signal of the following systems operate normally.
Symptom
Diagnoses / service procedure
Refer to page
Rear window defogger and door mirror defogger do not
operate.
1. Check BCM power supply and ground circuit.
2. Check IPDM E/R auto active test.
3. Check Rear window defogger switch circuit.
4. Check Rear window defogger power supply circuit.
5. Replace IPDM E/ R.
Rear window defogger does not operated.
1. Check BCM power supply and ground circuit.
2. Check IPDM E/R auto active test.
3. Check Rear window defogger switch circuit.
4. Check Rear window defogger power supply circuit.
5. Check Rear window defogger circuit.
6. Check Filament.
7. Replace IPDM E/ R.
Rear window defogger does not operate but both of door
mirror defoggers operate.
1. Check Rear window defogger circuit.
2. Check Filament.
Both of door mirror defoggers do not operated but rear
window defogger operate.
Check Door mirror defogger power supply circuit.
Driver side door mirror defogger does not operated.
Check Driver side door mirror defogger circuit.
Passenger side door mirror defogger does not operated.
Check Passenger side door mirror defogger circuit.
REAR WINDOW DEFOGGER
GW-69
C
D
E
F
G
H
J
K
L
M
A
B
GW
Check BCM Power Supply and Ground Circuit
NIS000FB
First perform the “SELF-DIAG RESULTS” in “BCM” with CONSULT-II, then perform the each trou-
ble diagnosis of malfunction system indicated “SELF-DIAG RESULTS” of “BCM”, Refer to
13, "CONSULT-II Function (BCM)"
1.
FUSE INSPECTION
●
Check 10A fuse [No.1, located in fuse block (J/B)]
●
Check 10A fuse [No.18, located in fuse block (J/B)]
●
Check 50A fusible link (letter F , located in the fusible link box).
NOTE:
Refer to
GW-58, "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.
Turn ignition switch ON.
2.
Check voltage between BCM connector M1, M2 terminal 38, 42,
55 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 M2 terminal 52 and
ground.
OK or NG
OK
>> Power supply and ground circuit is OK.
NG
>> Check BCM ground circuit for open or short.
38 (W/L) – Ground
: Battery voltage
42 (GY) – Ground
: Battery voltage
55 (W/R) – Ground
: Battery voltage
PIIA6160E
52 (B) – Ground
: Continuity should exist.
PIIA9131E
GW-70
REAR WINDOW DEFOGGER
Check Rear Window Defogger Switch Circuit
NIS000FC
1.
CHECK REAR WINDOW DEFOGGER SWITCH OPERATION
With CONSULT-II
Check (“REAR DEF SW”, “IGN ON SW”) in DATA MONITOR mode
with CONSULT-II. Refer to
.
With out CONSULT-II
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.
CHECK REAR WINDOW DEFOGGER SWITCH CIRCUIT HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect BCM and A/C and audio controller connector.
3.
Check continuity between BCM connector M1 terminal 9 and A/
C and audio controller connector M38 terminal 12.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness.
When rear defogger switch is turned to ON
REAR DEF SW
: ON
When ignition switch is turned to ON
IGN ON SW
: ON
PIIA2373E
Connector
Terminal (Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(-)
M1
9 (L/R)
Ground
Rear window defogger
switch is pressed.
0
Rear window defogger
switch is OFF.
5
PIIA6208E
9 (L/R) – 12(L/R)
: Continuity should exist
PIIA9478E
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