Infiniti QX56 (JA60). Manual — part 1038
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< COMPONENT DIAGNOSIS >
REAR WIPER MOTOR CIRCUIT
REAR WIPER MOTOR CIRCUIT
Component Function Check
INFOID:0000000005146781
1.
CHECK REAR WIPER ON OPERATION
CONSULT-III ACTIVE TEST
1. Select "RR WIPER" of BCM active test item.
2. While operating the test item, check rear wiper operation.
Is rear wiper operation normal?
YES
>> Rear wiper motor circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000005146782
Regarding Wiring Diagram information, refer to
.
1.
CHECK REAR WIPER MOTOR OUTPUT VOLTAGE
CONSULT-III ACTIVE TEST
1. Turn the ignition switch OFF.
2. Disconnect rear wiper motor.
3. Turn the ignition switch ON.
4. Select "RR WIPER" of BCM active test item.
5. While operating the test item, check voltage between BCM har-
ness connector and ground.
Is the measurement value normal?
YES
>> GO TO 2
NO
>> GO TO 3
2.
CHECK REAR WIPER MOTOR GROUND CIRCUIT
1. Turn the ignition switch OFF.
2. Check continuity between rear wiper motor harness connector
and ground.
Does continuity exist?
YES
>> Replace rear wiper motor. Refer to
NO
>> Repair or replace harness.
ON
: Rear wiper ON operation
OFF
: Stop the rear wiper.
Terminals
Test item
Voltage
(Approx.)
(+)
(
−)
BCM
REAR WIPER
Connector
Terminal
M19
54
Ground
ON
Battery voltage
55
OFF
0V
WKIA1417E
Rear wiper motor
Ground
Continuity
Connector
Terminal
D704
3
Yes
5
WKIA1416E
REAR WIPER MOTOR CIRCUIT
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< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
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A
B
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N
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3.
CHECK GLASS HATCH AJAR SWITCH CIRCUIT
1. Disconnect BCM harness M19.
2. Turn ignition switch OFF.
3. Make sure hatch glass is closed
4. Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> Repair harness if shorted. If not, refer to
.
NO
>> GO TO 4
4.
CHECK REAR WIPER MOTOR OPEN CIRCUIT
1. Check continuity between BCM harness connector and rear
wiper motor harness connector.
Does continuity exist?
YES
>> GO TO 5
NO
>> Repair or replace harness.
5.
CHECK REAR WIPER MOTOR SHORT CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> Repair or replace harness.
NO
>> Replace BCM. Refer to
BCS-59, "Removal and Installa-
.
BCM
Ground
Continuity
Connector
Terminal
M19
42
No
WKIA1414E
BCM
Rear wiper motor
Continuity
Connector
Terminal
Connector
Terminal
M19
54
D704
6
Yes
55
4
WKIA1413E
BCM
Ground
Continuity
Connector
Terminal
M19
54
No
55
ALLIA0449ZZ
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< COMPONENT DIAGNOSIS >
REAR WIPER AUTO STOP SIGNAL CIRCUIT
REAR WIPER AUTO STOP SIGNAL CIRCUIT
Component Function Check
INFOID:0000000005146783
1.
CHECK REAR WIPER (AUTO STOP) OPERATION
CONSULT-III DATA MONITOR
1. Select "WIPER" of BCM data monitor item.
2. Operate the rear wiper.
3. Check that "RR WIPER STOP" changes to "ON" and "OFF" linked with the wiper operation.
Is the status of item normal?
YES
>> Rear wiper auto stop signal circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000005146784
Regarding Wiring Diagram information, refer to
.
1.
CHECK REAR WIPER MOTOR AUTO STOP CIRCUITS
1. Turn ignition switch OFF.
2. Disconnect BCM and rear wiper motor.
3. Check continuity between BCM harness connector terminals
and rear wiper motor harness connector terminals.
Is inspection result normal?
YES
>> GO TO 2
NO
>> Repair or replace harness.
2.
CHECK AUTO STOP CIRCUITS FOR SHORT TO GROUND
Check continuity between BCM harness connector terminals and
ground.
Is inspection result normal?
YES
BCS-59, "Removal and Installa-
.
NO
>> Repair or replace harness.
Monitor item
Condition
Monitor status
RR WIPER STOP
Rear wiper motor
Stop position
ON
Except stop position
OFF
BCM
Rear wiper motor
Continuity
Connector
Terminal
Connector
Terminal
M18
26
D704
1
Yes
M19
44
2
WKIA1415E
BCM
Ground
Continuity
Connector
Terminal
M18
26
No
M19
44
WKIA1421E
FRONT WIPER AND WASHER SYSTEM
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< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
WW
N
O
P
FRONT WIPER AND WASHER SYSTEM
Wiring Diagram
INFOID:0000000005146785
ABLWA0518GB
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