Nissan Maxima. Manual — part 619
EXL-218
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN TYPE]
OPTICAL SENSOR
3.
CHECK OPTICAL SENSOR SIGNAL OUTPUT
With the auto light system operating, check voltage between the
optical sensor harness connector and ground.
*: Illuminate the optical sensor. The value may be less than the standard if brightness
is weak.
Is the voltage reading as specified?
YES
>> GO TO 7.
NO
>> Replace the optical sensor. Refer to
EXL-322, "Removal and Installation"
.
4.
CHECK OPTICAL SENSOR POWER SUPPLY FOR OPEN CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect the optical sensor connector and BCM connector M18.
3. Check continuity between the optical sensor harness connector
(A) and the BCM harness connector (B).
Does continuity exist?
YES
>> GO TO 5.
NO
>> Repair the harnesses or connectors.
5.
CHECK OPTICAL SENSOR POWER SUPPLY FOR SHORT CIRCUIT
Check the continuity between the optical sensor harness connector
and the ground.
Does continuity exist?
YES
>> Repair the harnesses or connectors.
NO
BCS-79, "Removal and Installa-
.
6.
CHECK OPTICAL SENSOR GROUND FOR OPEN CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect the optical sensor connector and BCM connector M18.
3. Check continuity between the optical sensor harness connector
(A) and the BCM harness connector (B).
Does continuity exist?
YES
BCS-79, "Removal and Installa-
.
NO
>> Repair the harnesses or connectors.
(+)
(
−)
Condition
Voltage
Connector
Terminal
M66
2
Ground
When illuminating
3.1V or more *
When shutting off light
0.6V or less
ALLIA0132ZZ
A
B
Continuity
Connector
Terminal
Connector
Terminal
M66
1
M18
46
Yes
ALLIA0133ZZ
Connector
Terminal
—
Continuity
M66
1
Ground
No
ALLIA0134ZZ
A
B
Continuity
Connector
Terminal
Connector
Terminal
M66
3
M18
45
Yes
ALLIA0135ZZ
OPTICAL SENSOR
EXL-219
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
7.
CHECK OPTICAL SENSOR SIGNAL FOR OPEN CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect the optical sensor connector and BCM connector M18.
3. Check continuity between the optical sensor harness connector
(A) and the BCM harness connector (B).
Does continuity exist?
YES
>> GO TO 8.
NO
>> Repair the harnesses or connectors.
8.
CHECK OPTICAL SENSOR SIGNAL FOR SHORT CIRCUIT
Check the continuity between the optical sensor harness connector
and ground.
Does continuity exist?
YES
>> Repair the harnesses or connectors.
NO
>> Replace BCM. Refer to
BCS-79, "Removal and Installa-
.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M66
2
M18
21
Yes
ALLIA0136ZZ
Connector
Terminal
—
Continuity
M66
2
Ground
No
ALLIA0137ZZ
EXL-220
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN TYPE]
HAZARD SWITCH
HAZARD SWITCH
Component Function Check
INFOID:0000000010051076
1.
CHECK HAZARD SWITCH SIGNAL BY CONSULT
CONSULT DATA MONITOR
1. Turn ignition switch ON.
2. Select “HAZARD SW” of BCM (FLASHER) DATA MONITOR item.
3. With operating the hazard switch, check the monitor status.
Is the measurement normal?
YES
>> Hazard switch circuit is normal.
NO
>> Refer to
EXL-220, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000010051077
Regarding Wiring Diagram information, refer to
.
1.
CHECK HAZARD SWITCH SIGNAL INPUT
1. Turn ignition switch OFF.
2. Disconnect hazard switch connector.
3. Turn ignition switch ON.
4. Check voltage between hazard switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK HAZARD SWITCH SIGNAL OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector M19.
3. Check continuity between hazard harness connector and BCM harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
Monitor item
Condition
Monitor status
HAZARD SW
Hazard switch
ON
On
OFF
Off
(+)
(
−)
Voltage
(Approx.)
Hazard switch
Connector
Terminal
M54
2
Ground
JPMIA0012GB
Hazard switch
BCM
Continuity
Connector
Terminal
Connector
Terminal
M54
2
M19
98
Yes
HAZARD SWITCH
EXL-221
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
3.
CHECK HAZARD SWITCH SIGNAL SHORT CIRCUIT
Check continuity between hazard switch harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-79, "Removal and Installation"
NO
>> Repair or replace harness.
4.
CHECK HAZARD SWITCH GROUND OPEN CIRCUIT
Check continuity between hazard switch harness connector and ground.
Is the inspection result normal?
YES
>> Replace hazard switch. Refer to
EXL-325, "Removal and Installation"
NO
>> Repair or replace harness.
Hazard switch
Ground
Continuity
Connector
Terminal
M54
2
No
Hazard switch
Ground
Continuity
Connector
Terminal
M54
1
Yes
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