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Nissan Quest E52. Manual - part 1276
FRONT WIPER MOTOR LO CIRCUIT
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< DTC/CIRCUIT DIAGNOSIS >
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DTC/CIRCUIT DIAGNOSIS
FRONT WIPER MOTOR LO CIRCUIT
Component Function Check
INFOID:0000000009649553
1.
CHECK FRONT WIPER LO OPERATION
CONSULT ACTIVE TEST
1.
Select “FRONT WIPER” of IPDM E/R active test item.
2.
With operating the test item, check front wiper operation.
Is front wiper (LO) operation normally?
YES
>> Front wiper motor LO circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000009649554
1.
CHECK FRONT WIPER MOTOR (LO) OUTPUT VOLTAGE
1.
Turn ignition switch OFF, and wait for 20 seconds or more.
2.
Disconnect front wiper motor connector.
3.
Turn ignition switch ON, and wait for 10 seconds.
4.
Check voltage between front wiper motor harness connector and ground.
*: According to front wiper protection function, IPDM E/R supplies voltage for 10 seconds (9 – 16 V) and then
stops for 20 seconds (0 V). This operations repeats 5 times, and then IPDM E/R stops voltage supply. To per-
form the check again, turn ignition switch OFF, wait for 20 seconds or more, and then perform the check.
Is the inspection result normal?
YES
>> Replace front wiper motor.
NO
>> GO TO 2.
2.
CHECK FRONT WIPER MOTOR (LO) CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Check continuity between IPDM E/R harness connector and front wiper motor harness connector.
4.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R.
NO
>> Repair or replace harness.
Lo
: Front wiper (LO) operation
Off
: Stop the front wiper.
(+)
(
−
)
Voltage (Approx.)
Front wiper motor
Connector
Terminal
E12
5
Ground
9 – 16 V
(10 seconds)*
IPDM E/R
Front wiper motor
Continuity
Connector
Terminal
Connector
Terminal
E10
4
E12
5
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
E10
4
Not existed