Nissan Xterra. Instruction — part 728
FRONT WIPER MOTOR HI CIRCUIT
WW-21
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
WW
N
O
P
2. Disconnect IPDM E/R and front wiper motor.
3. Check continuity between IPDM E/R harness connector and front wiper motor harness connector.
Does continuity exist?
YES
>> Replace front wiper motor. Refer to
WW-68, "Removal and Installation"
NO
>> Repair or replace harness.
IPDM E/R
Front wiper motor
Continuity
Connector
Terminal
Connector
Terminal
E121
35
E23
4
Yes
WW-22
< DTC/CIRCUIT DIAGNOSIS >
FRONT WIPER AUTO STOP SIGNAL CIRCUIT
FRONT WIPER AUTO STOP SIGNAL CIRCUIT
Component Function Check
INFOID:0000000009484699
1.
CHECK FRONT WIPER (AUTO STOP) SIGNAL
CONSULT DATA MONITOR
1. Select "WIP AUTO STOP" of IPDM E/R data monitor item.
2. Operate the front wiper.
3. Check that "WIP AUTO STOP" changes to "STOP P" and "ACT P" linked with the wiper operation.
Is the status of item normal?
YES
>> Front wiper auto stop signal circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000009484700
Regarding Wiring Diagram information, refer to
.
1.
CHECK IPDM E/R OUTPUT VOLTAGE
1. Turn the ignition switch OFF.
2. Disconnect front wiper motor.
3. Turn the ignition switch ON.
4. Check voltage between front wiper motor harness connector and ground.
Is the measurement normal?
YES
>> Replace front wiper motor. Refer to
WW-68, "Removal and Installation"
NO
>> GO TO 2
2.
CHECK FRONT WIPER MOTOR (AUTO STOP) CIRCUIT CONTINUITY
1. Turn the ignition switch OFF.
2. Disconnect IPDM E/R connector E122.
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?
Monitor item
Condition
Monitor status
WIP AUTO STOP
Front wiper motor
Stop position
STOP P
Except stop position
ACT P
Terminals
Voltage (V)
(Approx.)
(+)
(-)
Front wiper motor
Ground
Connector
Terminal
E23
5
Battery voltage
IPDM E/R
Front wiper motor
Continuity
Connector
Terminal
Connector
Terminal
E122
43
E23
5
Yes
IPDM E/R
Ground
Continuity
Connector
Terminal
E122
43
No
FRONT WIPER AUTO STOP SIGNAL CIRCUIT
WW-23
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
WW
N
O
P
YES
>> Replace IPDM E/R. Refer to
PCS-27, "Removal and Installation"
.
NO
>> Repair or replace harness.
WW-24
< DTC/CIRCUIT DIAGNOSIS >
FRONT WIPER MOTOR GROUND CIRCUIT
FRONT WIPER MOTOR GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000009484701
Regarding Wiring Diagram information, refer to
.
1.
CHECK FRONT WIPER MOTOR (GROUND) OPEN CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect front wiper motor.
3. Check continuity between front wiper motor harness connector and ground.
Does continuity exist?
YES
>> Front wiper motor ground circuit is normal.
NO
>> Repair or replace harness.
Front wiper motor
Ground
Continuity
Connector
Terminal
E23
2
Yes
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