Nissan Pathfinder. Manual — part 302
REAR WINDOW DEFOGGER SWITCH
DEF-27
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-157, "Removal and Installation"
.
NO
>> Repair or replace harness.
5.
CHECK A/C AUTO AMP. (REAR WINDOW DEFOGGER SWITCH) FUNCTION
1. Check (“REAR DEF SW”) in BCM - REAR DEFOGGER “DATA MONITOR” mode by using CONSULT.
2. Operate rear window defogger switch and check the status on CONSULT screen.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> GO TO 6.
6.
CHECK REAR WINDOW DEFOGGER ON SIGNAL CIRCUIT
Check voltage between BCM connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-80, "Removal and Installation"
NO
>> GO TO 7.
7.
CHECK HARNESS CONTINUITY
1. Push ignition switch to OFF.
2. Disconnect BCM and front air control.
3. Check continuity between BCM connector and A/C auto amp.
4. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-157, "Removal and Installation"
.
NO
>> Repair or replace harness.
8.
CHECK REAR WINDOW DEFOGGER RELAY GROUND CIRCUIT
(+)
(–)
Condition
Voltage (V)
(Approx.)
A/C auto amp.
Connector
Terminal
M50
35
Ground
Rear window de-
fogger switch
ON Battery
voltage
OFF 0
Monitor Item
Condition
status
REAR DEF SW
Rear window defogger
switch
Pressed
On
Released
Off
(+)
(–)
Condition
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M18
32
Ground
Rear window de-
fogger switch
ON 0
OFF 5
BCM
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M18 32
M50
15
Yes
BCM
Ground
Continuity
Connector
Terminal
M18
32
No
DEF-28
< DTC/CIRCUIT DIAGNOSIS >
REAR WINDOW DEFOGGER SWITCH
CONSULT
1. Select BCM (REAR DEFOGGER) ACTIVE TEST.
2. Turn REAR DEFOGGER active test ON and OFF.
3. Check voltage between fuse block (J/B) connector and ground.
Is the inspection result normal?
YES
>> GO TO 11.
NO
>> GO TO 9.
9.
CHECK REAR WINDOW DEFOGGER RELAY CIRCUIT
Check voltage between fuse block (J/B) connector and ground.
Is the inspection result normal?
YES
>> Replace rear window defogger relay.
NO
>> GO TO 10.
10.
CHECK HARNESS CONTINUITY
1. Push ignition switch to OFF.
2. Disconnect BCM and fuse block (J/B).
3. Check continuity between BCM connector and fuse block (J/B) connector.
4. Check continuity between fuse block (J/B) connector M5 terminal 6P and ground.
Is the inspection result normal?
YES
>> Perform rear window defogger relay component inspection. Refer to
. If OK, replace BCM. Refer to
BCS-80, "Removal and Installation"
NO
>> Repair or replace harness.
11.
CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay.
DEF-32, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 12.
NO
>> Replace rear window defogger relay.
12.
CHECK INTERMITTENT INCIDENT
(+)
(–)
Condition
Voltage (V)
(Approx.)
Fuse block (J/B)
Connector
Terminal
M4
6P
Ground
Rear window de-
fogger active test
ON 0
OFF Battery
voltage
(+)
(–)
Condition
Voltage (V)
(Approx.)
Fuse block (J/B)
Connector
Terminal
M4
6P
Ground
Rear window de-
fogger switch
ON 0
OFF Battery
voltage
BCM
Fuse block (J/B)
Continuity
Connector
Terminal
Connector
Terminal
M19 61
M4
6P
Yes
Fuse block (J/B)
Ground
Continuity
Connector
Terminal
M4
6P
No
REAR WINDOW DEFOGGER SWITCH
DEF-29
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
Check intermittent incident.
GI-49, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Check the following.
• Battery power supply circuit.
• Fuse block (J/B).
NO
>> Repair or replace the malfunctioning parts.
EXCEPT BASE AUDIO SYSTEM
1.
CHECK A/C AND AV SWITCH ASSEMBLY (REAR WINDOW DEFOGGER SWITCH) CIRCUIT
Operate the rear window defogger switch.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> GO TO 2.
2.
CHECK A/C AND AV SWITCH ASSEMBLY (REAR WINDOW DEFOGGER SWITCH) CIRCUIT VOLTAGE
1. Turn ignition switch ON.
2. Check voltage between A/C and AV switch assembly harness connector M98 terminal 3 and ground.
Is the inspection result normal?
YES
>> Replace A/C and AV switch assembly. Refer to
HAC-155, "Removal and Installation - With Navi-
NO
>> GO TO 3.
3.
CHECK A/C AND AV SWITCH ASSEMBLY (REAR WINDOW DEFOGGER SWITCH) CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect accessory relay-2 connector E22.
3. Disconnect A/C and AV switch assembly connector M98.
4. Check continuity between A/C and AV switch assembly connector M98 terminal 3 and accessory relay-2
connector E22 terminal 5.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair and replace harness.
4.
CHECK A/C AND AV SWITCH ASSEMBLY (REAR WINDOW DEFOGGER SWITCH) CIRCUIT FOR
SHORT
1. Turn ignition switch OFF.
2. Disconnect accessory relay-2 connector E22.
3. Disconnect A/C and AV switch assembly connector M98.
4. Check continuity between A/C and AV switch assembly connector M98 terminal 3 and ground.
(+)
(–)
Condition
Voltage (V)
(Approx.)
A/C and AV switch assembly
Connector
Terminal
M98
3
Ground
Ignition switch
ON Battery
voltage
OFF 0
A/C and AV switch assembly
Accessory relay-2
Continuity
Connector
Terminal
Connector
Terminal
M98 3
E22
5
Yes
A/C and AV switch assembly
Ground
Continuity
Connector
Terminal
M98
3
No
DEF-30
< DTC/CIRCUIT DIAGNOSIS >
REAR WINDOW DEFOGGER SWITCH
Is the inspection result normal?
YES
>> Check the following:
• Accessory relay-2.
• Battery power supply circuit.
NO
>> Repair or replace harness.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст