Nissan Frontier. Manual — part 1305
WCS
DIAGNOSIS SYSTEM (BCM)
WCS-15
< SYSTEM DESCRIPTION >
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DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)
INFOID:0000000010217375
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions.
BUZZER
Direct Diagnostic Mode
Description
ECU Identification
The BCM part number is displayed.
Self Diagnostic Result
The BCM self diagnostic results are displayed.
Data Monitor
The BCM input/output data is displayed in real time.
Active Test
The BCM activates outputs to test components.
Work support
The settings for BCM functions can be changed.
Configuration
• The vehicle specification can be read and saved.
• The vehicle specification can be written when replacing BCM.
CAN Diag Support Mntr
The result of transmit/receive diagnosis of CAN communication is displayed.
System
Sub System
Direct Diagnostic Mode
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Se
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no
st
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su
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Da
ta
Mo
ni
tor
A
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ve
T
est
W
o
rk support
Co
nf
igu
rat
ion
CA
N Diag
Su
pp
ort Mn
tr
Door lock
DOOR LOCK
×
×
×
Rear window defogger
REAR DEFOGGER
×
×
Warning chime
BUZZER
×
×
Interior room lamp timer
INT LAMP
×
×
×
Remote keyless entry system
MULTI REMOTE ENT
×
×
×
Exterior lamp
HEAD LAMP
×
×
×
Wiper and washer
WIPER
×
×
×
Turn signal and hazard warning lamps FLASHER
×
×
Air conditioner
AIR CONDITIONER
×
Combination switch
COMB SW
×
BCM
BCM
×
×
×
×
×
Immobilizer
IMMU
×
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Vehicle security system
THEFT ALM
×
×
×
RAP system
RETAINED PWR
×
×
×
Signal buffer system
SIGNAL BUFFER
×
×
TPMS
AIR PRESSURE MONITOR
×
×
×
×
Panic alarm system
PANIC ALARM
×
WCS-16
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (BCM)
BUZZER : CONSULT Function (BCM - BUZZER)
INFOID:0000000010217843
DATA MONITOR
ACTIVE TEST
Monitor Item [Unit]
Description
DOOR SW-DR [On/Off]
Indicates condition of front door switch LH.
IGN ON SW [On/Off]
Indicates condition of ignition switch ON position.
KEY ON SW [On/Off]
Indicates condition of key switch.
LIGHT SW 1ST [On/Off]
Indicates condition of combination switch.
BUCKLE SW [On/Off]
Indicates condition of seat belt buckle switch.
Test Item
Description
SEAT BELT WARN TEST
This test is able to check seat belt warning operation [Off/On].
LIGHT WARN ALM
This test is able to check light reminder warning operation [Off/On].
IGN KEY WARN ALM
This test is able to check key warning chime operation [Off/On].
WCS
POWER SUPPLY AND GROUND CIRCUIT
WCS-17
< DTC/CIRCUIT DIAGNOSIS >
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DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
COMBINATION METER
COMBINATION METER : Diagnosis Procedure
INFOID:0000000010217846
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSES
Check for blown combination meter fuses.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
POWER SUPPLY CIRCUIT CHECK
1. Disconnect combination meter connector M24.
2. Check voltage between combination meter harness connector
M24 terminals 3, 16 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Check harness for open between combination meter and fuse.
3.
GROUND CIRCUIT CHECK
1. Turn ignition switch OFF.
2. Check continuity between combination meter harness connector
M24 terminals 13, 23 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Check ground harness.
BCM (BODY CONTROL MODULE)
Unit
Power source
Fuse No.
Combination meter
Battery 19
Ignition switch ON or START
14
Terminals
Ignition switch position
(+)
(–)
OFF
ACC
ON
Connector
Terminal
M24
3
Ground
Battery
voltage
Battery
voltage
Battery
voltage
16
0V
0V
Battery
voltage
WKIA3279E
Terminals
Continuity
(+)
(–)
Connector
Terminal
M24
13
Ground
Yes
23
WKIA3280E
WCS-18
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
BCM (BODY CONTROL MODULE) : Diagnosis Procedure
INFOID:0000000010217847
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown.
Is the fuse blown?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit.
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair or replace harness.
Terminal No.
Signal name
Fuses and fusible link No.
57
Battery power supply
21 (10A)
70
G (50A)
11
Ignition ACC or ON
4 (10A)
38
Ignition ON or START
1 (10A)
Connector
Terminals
Power
source
Condition
Voltage (V) (Ap-
prox.)
(+)
(-)
M18
11
Ground
ACC
power
supply
Ignition
switch
ACC or
ON
Battery voltage
38
Ground
Ignition
power
supply
Ignition
switch ON
or START
Battery voltage
M20
57
Ground
Battery
power
supply
Ignition
switch
OFF
Battery voltage
70
Ground
Battery
power
supply
Ignition
switch
OFF
Battery voltage
LIIA2415E
BCM
Ground
Continuity
Connector
Terminal
M20
67
Yes
LIIA0915E
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