Nissan Frontier. Instruction — part 1069
PWC-8
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (BCM)
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)
INFOID:0000000010223126
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions.
RETAINED PWR
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
E
C
U Ide
nt
ifi
ca
tio
n
Se
lf Di
ag
no
st
ic Re
su
lt
Da
ta
Mo
ni
tor
A
cti
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
×
DIAGNOSIS SYSTEM (BCM)
PWC-9
< SYSTEM DESCRIPTION >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
RETAINED PWR : CONSULT Function (BCM - RETAINED PWR)
INFOID:0000000010223127
DATA MONITOR
ACTIVE TEST
WORK SUPPORT
*: Initial setting
Monitor Item [Unit]
Description
IGN ON SW [On/Off]
Indicates condition of ignition switch ON position.
DOOR SW-DR [On/Off]
Indicates condition of front door switch LH.
DOOR SW-AS [On/Off]
Indicates condition of front door switch RH.
Test Item
Description
RETAINED PWR
This test is able to check retained power operation [Off/On].
Support Item
Setting
Description
RETAINED PWR SET
MODE3
2 min
Sets the retained accessory power operating time.
MODE2
OFF
MODE1*
45 sec
PWC-10
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis Procedure
INFOID:0000000010223128
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
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
POWER SUPPLY AND GROUND CIRCUIT
PWC-11
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair or replace harness.
POWER WINDOW MAIN SWITCH (CREW CAB)
POWER WINDOW MAIN SWITCH (CREW CAB) : Description
INFOID:0000000009482385
• BCM supplies power.
• It operates each power window motor via corresponding power window switch and makes window move up/
down when main power window and door lock/unlock switch is operated.
POWER WINDOW MAIN SWITCH (CREW CAB) : Component Function Check
INFOID:0000000009482386
Main Power Window And Door Lock/Unlock Switch
1.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH FUNCTION
Check power window motor operation with main power window and door lock/unlock switch.
Is the inspection result normal?
YES
>> Main power window and door lock/unlock switch power supply and ground circuit are OK.
NO
>> Refer to
PWC-11, "POWER WINDOW MAIN SWITCH (CREW CAB) : Diagnosis Procedure"
.
POWER WINDOW MAIN SWITCH (CREW CAB) : Diagnosis Procedure
INFOID:0000000009482387
Regarding Wiring Diagram information, refer to
PWC-55, "Wiring Diagram - Crew Cab"
.
1.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between main power window and door lock/
unlock switch connector D7 terminal 5 and ground.
Is the measurement value within the specification?
YES
>> GO TO 2
NO
>> GO TO 3
2.
CHECK GROUND CIRCUIT
BCM
Ground
Continuity
Connector
Terminal
M20
67
Yes
LIIA0915E
5 - Ground
: Battery voltage
LIIA1703E
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