Nissan Titan A60. Instruction — part 229
REAR WINDOW DEFOGGER
DEF-37
< WIRING DIAGRAM >
C
D
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G
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A
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DEF
N
O
P
ABLIA2777GB
DEF-38
< SYMPTOM DIAGNOSIS >
REAR WINDOW DEFOGGER SYSTEM SYMPTOMS
SYMPTOM DIAGNOSIS
REAR WINDOW DEFOGGER SYSTEM SYMPTOMS
Symptom Table
INFOID:0000000006164659
Symptom
Diagnoses / Service procedure
Refer to page
Rear window defogger and door mirror defoggers do not
operate. (with heated mirrors)
1. BCM power supply and ground circuit check
2. IPDM E/R auto active test check
3. Rear window defogger switch circuit check
4. Rear window defogger circuit check
5. Replace IPDM E/R
Rear window defogger does not operate.
(without heated mirrors)
1. BCM power supply and ground circuit check
2. IPDM E/R auto active test check
3. Rear window defogger switch circuit check
4. Rear window defogger circuit check
5. Filament check
6. Replace IPDM E/R
Rear window defogger does not operate but both of door
mirror defoggers operate. (with heated mirrors)
1. Rear window defogger circuit check
2. Filament check
3. Replace IPDM E/R
Both door mirror defoggers do not operate but rear window
defogger operates. (with heated mirrors)
1. Door mirror defogger power supply circuit check
2. Replace IPDM E/R
Door mirror LH defogger does not operate. (with heated
mirrors)
1. Door mirror LH defogger circuit check
Door mirror RH defogger does not operate. (with heated
mirrors)
1. Door mirror RH defogger circuit check
Rear window defogger switch does not light, and rear win-
dow defogger is not shown on the display, but rear window
defogger operates.
1. Replace front air control
REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGER DO NOT OPER-
ATE.
DEF-39
< SYMPTOM DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGER DO NOT
OPERATE.
Diagnosis Procedure
INFOID:0000000006164660
1.
CHECK REAR WINDOW DEFOGGER SWITCH
Check rear window defogger switch.
If equipped 2 control dial system or auto A/C, refer to
DEF-9, "Component Function Check (2 Control Dial Sys-
If equipped 3 control dial system or without auto A/C, refer to
DEF-9, "Component Function Check (3 Control
Dial System Without Auto A/C)"
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Repair or replace the malfunctioning parts.
2.
CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay.
DEF-11, "Component Function Check"
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace the malfunctioning parts.
3.
CHECK REAR WINDOW DEFOGGER SYSTEM
Check rear window defogger system.
DEF-12, "Component Function Check"
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace the malfunctioning parts.
4.
CHECK INTERMITTENT INCIDENT
Check intermittent incident.
GI-39, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Check the following.
• Battery power supply circuit
• IPDM E/R
NO
>> Repair or replace the malfunctioning parts.
DEF-40
< SYMPTOM DIAGNOSIS >
REAR WINDOW DEFOGGER DOES NOT OPERATE BUT BOTH OF DOOR MIR-
ROR DEFOGGER OPERATE.
REAR WINDOW DEFOGGER DOES NOT OPERATE BUT BOTH OF DOOR
MIRROR DEFOGGER OPERATE.
Diagnosis Procedure
INFOID:0000000006164661
1.
CHECK REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
Check rear window defogger power supply and ground circuit.
.
Is the inspection result normal?
YES
>> Refer to
GI-39, "Intermittent Incident"
.
NO
>> Repair or replace the malfunctioning parts.
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