Nissan Maxima. Instruction — part 1192
WCS-20
< DTC/CIRCUIT DIAGNOSIS >
METER BUZZER CIRCUIT
METER BUZZER CIRCUIT
Description
INFOID:0000000010049235
• The buzzer for warning chime system is installed in the combination meter.
• The combination meter sounds the alarm buzzer based on the signals transmitted from various units.
Component Function Check
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1.
CHECK OPERATION OF METER BUZZER
1. Select “BUZZER” of “BCM” on CONSULT.
2. Perform “LIGHT WARN ALM” of “ACTIVE TEST”.
Does meter buzzer activate?
YES
>> Inspection End.
NO
>> Replace combination meter. Refer to
MWI-122, "Removal and Installation"
Diagnosis Procedure
INFOID:0000000010049237
1.
CHECK POWER SUPPLY OF COMBINATION METER
Check power supply of combination meter. Refer to
MWI-37, "COMBINATION METER : Diagnosis Proce-
.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness.
WCS
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
WCS-21
< DTC/CIRCUIT DIAGNOSIS >
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SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
Description
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Transmits a seat belt buckle switch LH signal to the combination meter.
Component Function Check
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1.
CHECK COMBINATION METER INPUT SIGNAL
1. Start engine.
2. Monitor seat belt warning lamp while fastening and unfastening the driver seat belt.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000010049240
Regarding Wiring Diagram information, refer to
.
1.
CHECK COMBINATION METER INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between combination meter harness connector
M24 terminal 35 and ground.
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
.
NO
>> GO TO 2
2.
CHECK SEAT BELT BUCKLE SWITCH LH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter and seat belt buckle switch LH.
3. Check continuity between combination meter harness connector M24 terminal 35 and seat belt buckle
switch LH harness connector B202 terminal 1.
4. Check harness continuity between combination meter harness connector M24 terminal 35 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK SEAT BELT BUCKLE SWITCH LH GROUND CIRCUIT
Check harness continuity between seat belt buckle switch LH harness connector B202 terminal 2 and ground.
Seat belt warning lamp
When seat belt is fastened
: OFF
When seat belt is unfastened : ON
35 - Ground
When driver seat belt is fastened
: Approx. 12V
When driver seat belt is unfastened : Approx. 0V
AWNIA1747ZZ
35 - 1
: Continuity should exist.
35 - Ground
: Continuity should not exist.
WCS-22
< DTC/CIRCUIT DIAGNOSIS >
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness.
Component Inspection
INFOID:0000000010049241
1.
CHECK SEAT BELT BUCKLE SWITCH LH
1. Turn ignition switch OFF.
2. Disconnect the seat belt buckle switch LH connector.
3. Check continuity between the seat belt buckle LH terminals 1 and 2.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace the seat belt buckle switch LH. Refer to
SE-68, "Removal and Installation"
controlled seats) or
SE-126, "Removal and Installation"
(without climate controlled seats).
2 - Ground
: Continuity should exist.
1– 2
When seat belt is
fastened
: Continuity should not exist.
When seat belt is
unfastened
: Continuity should exist.
WCS
COMBINATION METER
WCS-23
< ECU DIAGNOSIS INFORMATION >
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ECU DIAGNOSIS INFORMATION
COMBINATION METER
Reference Value
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VALUES ON THE DIAGNOSIS TOOL
Monitor Item
Condition
Value/Status
SPEED METER
[km/h or mph]
While driving
Displays the value of the vehicle speed sig-
nal.
SPEED OUTPUT
[km/h or mph]
While driving
Displays the value of the vehicle speed sig-
nal which is transmitted to each unit with
CAN communication.
ODO OUTPUT
[kilometers or miles]
—
Equivalent to odometer reading in combina-
tion meter
TACHO METER
[rpm]
While driving
Displays the value of engine speed signal
which is input from the ECM.
FUEL METER
[L]
—
Displays the value processed from a resis-
tance signal from the fuel gauge.
W TEMP METER
[
°C] or [°F]
—
Displays the value of the engine coolant tem-
perature signal which is input from the ECM.
ABS W/L
ABS warning lamp ON
ON
ABS warning lamp OFF
OFF
VDC/TCS IND
VDC OFF indicator lamp ON
ON
VDC OFF indicator lamp OFF
OFF
SLIP IND
SLIP Indicator lamp ON
ON
SLIP indicator lamp OFF
OFF
BRAKE W/L*
Brake warning lamp ON
ON
Brake warning lamp OFF
OFF
DOOR W/L
Door warning lamp ON
ON
Door warning lamp OFF
OFF
TRUNK/GLAS-H
Trunk warning lamp ON
ON
Trunk warning lamp OFF
OFF
HI-BEAM IND
High-beam indicator lamp ON
ON
High-beam indicator lamp OFF
OFF
TURN IND
Turn signal indicator lamp ON
ON
Turn signal indicator lamp OFF
OFF
LIGHT IND
Light indicator lamp ON
ON
Light indicator lamp OFF
OFF
OIL W/L
Oil pressure warning lamp ON
ON
Oil pressure warning lamp OFF
OFF
MIL
Malfunction indicator lamp ON
ON
Malfunction indicator lamp OFF
OFF
CRUISE IND
CRUISE indicator ON
ON
CRUISE indicator OFF
OFF
CVT IND
CVT warning lamp ON
ON
CVT warning lamp OFF
OFF
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