Infiniti QX56 (Z62). Manual — part 380
DEF-30
< DTC/CIRCUIT DIAGNOSIS >
DRIVER SIDE DOOR MIRROR DEFOGGER
DRIVER SIDE DOOR MIRROR DEFOGGER
Description
INFOID:0000000006299445
Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror
from fogging up.
Component Function Check
INFOID:0000000006299446
1.
CHECK DRIVER SIDE DOOR MIRROR DEFOGGER
1.
Perform IPDM E/R Active Test (“REAR DEFOGGER”) using CONSULT-III.
2.
Touch “ON”.
3.
Check that the driver side door mirror glass is getting warmer.
Is the inspection result normal?
YES
>> Driver side door mirror defogger is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000006299447
1.
CHECK 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) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness.
2.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between door mirror (driver side) harness connector and ground.
Is the inspection result normal?
YES
>> Replace door mirror glass (driver side).
NO
>> Repair or replace harness.
(+)
(–)
Condition
Voltage (V)
(Approx.)
Door mirror (driver side)
Connector
Terminal
D3
7
Ground
Rear window defogger
switch
ON
Battery voltage
OFF
0
Door mirror (driver side)
Ground
Continuity
Connector
Terminal
D3
19
Existed
PASSENGER SIDE DOOR MIRROR DEFOGGER
DEF-31
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
PASSENGER SIDE DOOR MIRROR DEFOGGER
Description
INFOID:0000000006299448
Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror
from fogging up.
Component Function Check
INFOID:0000000006299449
1.
CHECK PASSENGER SIDE DOOR MIRROR DEFOGGER
1.
Perform IPDM E/R Active Test (“REAR DEFOGGER”) using CONSULT-III.
2.
Touch “ON”.
3.
Check that the passenger side door mirror glass is getting warmer.
Is the inspection result normal?
YES
>> Passenger side door mirror defogger is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000006299450
1.
CHECK 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) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness.
2.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between door mirror (passenger side) harness connector and ground.
Is the inspection result normal?
YES
>> Replace door mirror glass (passenger side).
NO
>> Repair or replace harness.
(+)
(–)
Condition
Voltage (V)
(Approx.)
Door mirror (passenger side)
Connector
Terminal
D23
7
Ground
Rear window defogger
switch
ON
Battery voltage
OFF
0
Door mirror (passenger side)
Ground
Continuity
Connector
Terminal
D23
19
Existed
DEF-32
< DTC/CIRCUIT DIAGNOSIS >
WIPER DEICER RELAY
WIPER DEICER RELAY
Component Function Check
INFOID:0000000006299451
1.
CHECK WIPER DEICER RELAY POWER SUPPLY CIRCUIT
1.
Select Active Test (“REAR DEFOGGER”) mode of “BCM” using CONSULT-III.
2.
Touch “ON”.
3.
Check that the front window heating wire is getting warmer.
Is the inspection result normal?
YES
>> Wiper deicer relay power supply circuit function is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000006299452
1.
CHECK WIPER DEICER CIRCUIT 1
1.
Turn ignition switch ON.
2.
Check voltage between wiper deicer relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK WIPER DEICER CIRCUIT 2
1.
Turn ignition switch OFF.
2.
Disconnect wiper deicer relay and IPDM E/R connector.
3.
Check continuity between wiper deicer relay terminal connector and IPDM E/R harness connector.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
3.
CHECK WIPER DEICER CIRCUIT 3
Check voltage between wiper deicer relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK WIPER DEICER RELAY GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect wiper deicer relay connector.
3.
Check continuity between wiper deicer relay terminal connector and ground.
(+)
(–)
Condition
Voltage (V)
(Approx.)
Wiper deicer relay
Connector
Terminal
E23
1
Ground
Rear window defogger switch: ON
Battery voltage
Rear window defogger switch: OFF
0
Wiper deicer relay
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
E23
1
E11
14
Existed
(+)
(–)
Voltage (V)
(Approx.)
Wiper deicer relay
Connector
Terminal
E23
3
Ground
Battery voltage
WIPER DEICER RELAY
DEF-33
< 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
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK WIPER DEICER RELAY
Check wiper deicer relay.
Refer to
DEF-33, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace wiper deicer relay.
6.
CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to
GI-40, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000006299453
1.
CHECK WIPER DEICER RELAY
1.
Turn ignition switch OFF.
2.
Disconnect wiper deicer relay.
3.
Check wiper deicer relay.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace wiper deicer relay.
Wiper deicer relay
Ground
Continuity
Connector
Terminal
E23
2
Existed
Wiper deicer relay
Condition
Continuity
Terminal
3
5
12 V direct current supply between termi-
nals 1 and 2
Existed
No current supply
Not existed
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