Nissan Frontier D40. Instruction — part 1129
WCS-8
< FUNCTION DIAGNOSIS >
WARNING CHIME SYSTEM
SEAT BELT WARNING CHIME : System Description
INFOID:0000000005274814
DESCRIPTION
With ignition switch turned ON and driver seat belt unfastened, seat belt warning chime will sound for approxi-
mately 6 seconds.
• BCM receives seat belt buckle switch signal from combination meter with CAN communication line.
• BCM detects ignition switch turned ON and seat belt buckle switch LH ON. And then transmits buzzer output
signal (seat belt warning chime) to combination meter with CAN communication line.
• When combination meter receives buzzer output signal (seat belt warning chime), it sounds the buzzer.
WARNING OPERATION CONDITIONS
If all of the following conditions are fulfilled
• Ignition switch OFF
→
ON
• Seat belt buckle switch LH is ON (driver seat belt not fastened)
WARNING CANCEL CONDITIONS
Cancels the warning if any of the following conditions is fulfilled.
• Ignition switch OFF
• Seat belt buckle switch LH is OFF (driver seat belt fastened)
SEAT BELT WARNING CHIME : Component Parts Location
INFOID:0000000005274815
WKIA4988E
1.
Combination switch (lighting switch)
M28
2.
Combination meter M24
3.
Key switch M27
4.
BCM M18, M19, M20 (view with instru-
ment lower panel LH removed)
5.
Front door switch LH B8 (crew cab)
6.
Front door switch LH D213 (king cab)
7.
Seat belt buckle switch LH B12
WCS
WARNING CHIME SYSTEM
WCS-9
< FUNCTION DIAGNOSIS >
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SEAT BELT WARNING CHIME : Component Description
INFOID:0000000005274816
KEY WARNING CHIME
KEY WARNING CHIME : System Diagram
INFOID:0000000005274817
KEY WARNING CHIME : System Description
INFOID:0000000005274818
With the key inserted into the key switch, and the ignition switch in the OFF or ACC position, when driver's
door is opened, the warning chime will sound.
• BCM detects key inserted into the ignition switch, and sends key warning signal to combination meter with
CAN communication line.
• When combination meter receives key warning signal, it sounds warning chime.
Unit
Description
Combination meter
• Receives the seat belt buckle switch signal from the seat belt buckle switch and transmits it to
BCM via CAN communication line.
• Receives a buzzer output signal from BCM via CAN communication line and sounds the buzzer.
BCM
Judges the seat belt warning condition from the seat belt buckle switch signal received from the
combination meter and transmits a buzzer output signal to the combination meter via CAN commu-
nication line if necessary.
Seat belt buckle switch LH
Transmits seat belt buckle switch signal to combination meter.
WKIA5463E
WCS-10
< FUNCTION DIAGNOSIS >
WARNING CHIME SYSTEM
KEY WARNING CHIME : Component Parts Location
INFOID:0000000005274819
KEY WARNING CHIME : Component Description
INFOID:0000000005274820
WKIA4988E
1.
Combination switch (lighting switch)
M28
2.
Combination meter M24
3.
Key switch M27
4.
BCM M18, M19, M20 (view with instru-
ment lower panel LH removed)
5.
Front door switch LH B8 (crew cab)
6.
Front door switch LH D213 (king cab)
7.
Seat belt buckle switch LH B12
Unit
Description
Combination meter
Receives key warning signal from BCM via CAN communication line and sounds the buzzer.
BCM
Judges the key warning condition from the door switch signal received from the front door switch
LH, and the key switch signal received from the key switch. It then transmits a buzzer output signal
to the combination meter via CAN communication line if necessary.
Front door switch LH
Transmits door switch signal to BCM.
Key switch
Transmits key switch signal to BCM.
WCS
DIAGNOSIS SYSTEM (METER)
WCS-11
< FUNCTION DIAGNOSIS >
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DIAGNOSIS SYSTEM (METER)
Diagnosis Description
INFOID:0000000005548398
SELF-DIAGNOSIS MODE
The following items can be checked during Combination Meter Self-Diagnosis Mode.
• Gauge sweep and present gauge values.
• Illuminates all odometer/trip meters and A/T indicator segments.
• Illuminates all micro controlled lamps/LEDs regardless of switch position.
• Displays estimated present battery voltage.
• Displays seat belt buckle switch LH status.
OPERATION PROCEDURE
NOTE:
• Once entered, combination meter self-diagnosis mode will function with the ignition switch in ON or START.
Combination meter self-diagnosis mode will exit upon turning the ignition switch to OFF or ACC.
• If the diagnosis function is activated with trip A displayed, the mileage on trip A is reset to 0000.0. (Trip B
operates the same way.)
To initiate combination meter self-diagnosis mode, refer to the following procedure.
1.
Turn the ignition switch ON, while pressing the odometer/trip meter switch for 5 - 8 seconds. When the
diagnosis function is activated, the odometer/trip meter will display tESt.
NOTE:
Check combination meter power supply and ground circuit when self-diagnosis mode of combination meter
does not start. Refer to
WCS-16, "COMBINATION METER : Diagnosis Procedure"
. Replace combination
meter if normal. Refer to
MWI-95, "Removal and Installation"
.
COMBINATION METER SELF-DIAGNOSIS MODE FUNCTIONS
To interpret combination meter self-diagnosis mode functions, refer to the following table.
Event
Odometer Display
Description of Test/Data
Notes:
Odometer/trip meter A/B
switch held from 5 to 8
seconds (or until re-
leased)
tESt
Initiating self-diagnosis mode
Switch released
GAGE
Performs sweep of all
gauges, then displays
present gauge values.
Gauges sweep within 10 seconds
Switch pressed
(All segments illuminated)
Lights all LCD segments.
Compare with picture.
USA
Except USA
Switch pressed
bulb
Illuminates all micro-con-
trolled lamps/LEDs.
Part may not be configured for all
lamps (functions) that turn on dur-
ing test. This is normal.
Switch pressed
r XXXX, FAIL
Return to normal opera-
tion of all lamps/LEDs and
displays “r XXXX”.
If a malfunction exists, “FAIL” will
flash.
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