Nissan Titan. Instruction — part 491
RF-8
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (BCM)
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)
INFOID:0000000009879052
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
cu
Id
en
tifi
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
HEADLAMP
×
×
×
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)
RF-9
< SYSTEM DESCRIPTION >
C
D
E
F
G
H
I
J
L
M
A
B
RF
N
O
P
RETAINED PWR : CONSULT Function (BCM - RETAINED PWR)
INFOID:0000000009879053
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
RF-10
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
SUNROOF MOTOR ASSEMBLY
SUNROOF MOTOR ASSEMBLY : Diagnosis Procedure
INFOID:0000000009879054
Regarding Wiring Diagram information, refer to
1.
SUNROOF MOTOR ASSEMBLY
1. Turn ignition switch OFF.
2. Disconnect sunroof motor assembly connector R4.
3. Turn ignition switch ON.
4. Check voltage between sunroof motor assembly connector R4
terminals 1 and 5 and ground.
Is the voltage as specified?
YES
>> GO TO 4
NO
>> GO TO 2
2.
CHECK SUNROOF MOTOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect BCM connector M20.
3. Check continuity between BCM connector M20 (A) and sunroof
motor assembly connector R4 (B).
4. Check continuity between BCM connector M20 (A) and ground.
Are the continuity test results as specified?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK BCM OUTPUT SIGNAL
(+)
(–)
Voltage
Connector
Terminal
R4
1
Ground
Battery voltage
5
ALKIA0868ZZ
A
B
Continuity
Connector
Terminal
Connector
Terminal
M20
68
R4
5
Yes
69
1
A
—
Continuity
Connector
Terminal
M20
68
Ground
No
69
ALKIA0870ZZ
POWER SUPPLY AND GROUND CIRCUIT
RF-11
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
RF
N
O
P
1. Connect BCM connector M20.
2. Turn ignition switch ON.
3. Check voltage between BCM connector M20 and ground.
Is the voltage reading as specified?
YES
>> Check condition of harness and connector.
NO
>> Replace BCM. Refer to
BCS-52, "Removal and Installation"
4.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between sunroof motor assembly connector
R4 terminal 7 and ground.
Is the continuity test result as specified?
YES
>> Power supply and ground circuits are OK.
NO
>> Repair or replace harness.
SUNROOF MOTOR ASSEMBLY : Special Repair Requirement
INFOID:0000000009879055
1.
PERFORM INITIALIZATION PROCEDURE
Perform initialization procedure.
Refer to
RF-5, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement"
.
Does the sunroof motor assembly operate properly?
YES
>> Repair is complete.
NO
>> Check fitting adjustment.
(+)
(–)
Voltage
Connector
Terminal
M20
68
Ground
Battery voltage
69
ALKIA0871ZZ
Connector
Terminal
—
Continuity
R4
7
Ground
Yes
ALKIA0869ZZ
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