Nissan Titan. Instruction — part 90
BCM (BODY CONTROL MODULE)
DLK-69
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
32
R/G
Combination switch
output 5
Output
ON
Lighting, turn, wiper OFF
Wiper dial position 4
33
R/Y
Combination switch
output 4
Output
ON
Lighting, turn, wiper OFF
Wiper dial position 4
34
L
Combination switch
output 3
Output
ON
Lighting, turn, wiper OFF
Wiper dial position 4
35
O/B
Combination switch
output 2
Output
ON
Lighting, turn, wiper OFF
Wiper dial position 4
36
R/W
Combination switch
output 1
37
B/R
Key switch and key
lock solenoid
Input
OFF
Key inserted
Battery voltage
Key removed
0V
38
W/L
Ignition switch (ON)
Input
ON
—
Battery voltage
39
L
CAN-H
—
—
—
—
40
P
CAN-L
—
—
—
—
41
Y/B
Rear defogger switch
Input
ON
Rear defogger switch ON
0V
Rear defogger switch OFF
5V
47
SB
Front door switch LH
(All)
Input
OFF
ON (open)
0V
Rear door switch lower
LH (King Cab)
Rear door switch up-
per LH (King Cab)
OFF (closed)
Battery voltage
48
R/Y
Rear door switch LH
(Crew Cab)
Input
OFF
ON (open)
0V
OFF (closed)
Battery voltage
50
R/Y
Cargo bed lamp con-
trol
Output
OFF
Cargo lamp switch (ON)
0V
Cargo lamp switch (OFF)
Battery voltage
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch
Operation or condition
SKIA5291E
SKIA5292E
SKIA5291E
SKIA5292E
DLK-70
< ECU DIAGNOSIS INFORMATION >
BCM (BODY CONTROL MODULE)
51
Y/B
Trailer turn signal
(right)
Output
ON
Turn right ON
52
G/B
Trailer turn signal (left)
Output
ON
Turn left ON
56
R/G
Battery saver output
Output
OFF
15 minutes after ignition switch
is turned OFF
0V
ON
—
Battery voltage
57
Y/R
Battery power supply
Input
OFF
—
Battery voltage
58
W/R
Optical sensor
Input
ON
When optical sensor is illumi-
nated
3.1V or more
When optical sensor is not illu-
minated
0.6V or less
59
G
Front door lock as-
sembly LH actuator
(unlock)
Output
OFF
OFF (neutral)
0V
ON (unlock)
Battery voltage
60
G/B
Turn signal (left)
Output
ON
Turn left ON
61
G/Y
Turn signal (right)
Output
ON
Turn right ON
62
R/W
Step lamp LH and RH
Output
OFF
ON (any door open)
0V
OFF (all doors closed)
Battery voltage
63
L
Interior room/map
lamp
Output
OFF
Any door
switch
ON (open)
0V
OFF (closed)
Battery voltage
65
V
All door lock actuators
(lock)
Output
OFF
OFF (neutral)
0V
ON (lock)
Battery voltage
66
G/Y
Front door lock actua-
tor RH and rear door
lock actuators LH/RH
(unlock)
Output
OFF
OFF (neutral)
0V
ON (unlock)
Battery voltage
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch
Operation or condition
SKIA3009J
SKIA3009J
SKIA3009J
SKIA3009J
BCM (BODY CONTROL MODULE)
DLK-71
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
Fail Safe
INFOID:0000000009878818
Fail-safe index
BCM performs fail-safe control when any DTC listed below is detected.
DTC Inspection Priority Chart
INFOID:0000000009878819
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
67
B
Ground
Input
ON
—
0V
68
W/L
Power window power
supply (RAP)
Output
—
Ignition switch ON
Battery voltage
Within 45 seconds after igni-
tion switch OFF
Battery voltage
More than 45 seconds after ig-
nition switch OFF
0V
When front door LH or RH is
open or power window timer
operates
0V
69
W/R
Power window power
supply
Output
—
—
Battery voltage
70
W/B
Battery power supply
Input
OFF
—
Battery voltage
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch
Operation or condition
Display contents of CONSULT
Fail-safe
Cancellation
U1000: CAN COMM CIRCUIT
Inhibit engine cranking
When the BCM re-establishes communication with the other mod-
ules.
Priority
DTC
1
• U1000: CAN COMM CIRCUIT
2
• B2190: NATS ANTENNA AMP
• B2191: DIFFERENCE OF KEY
• B2192: ID DISCORD BCM-ECM
• B2193: CHAIN OF BCM-ECM
DLK-72
< ECU DIAGNOSIS INFORMATION >
BCM (BODY CONTROL MODULE)
DTC Index
INFOID:0000000009878820
NOTE:
Details of time display
• CRNT: Displays when there is a malfunction now or after returning to the normal condition until turning igni-
tion switch OFF
→ ON again.
• 1 - 39: Displayed if any previous malfunction is present when current condition is normal. It increases like 1
→ 2 → 3...38 → 39 after returning to the normal condition whenever ignition switch OFF → ON. The counter
remains at 39 even if the number of cycles exceeds it. It is counted from 1 again when turning ignition switch
OFF
→ ON after returning to the normal condition if the malfunction is detected again.
3
• C1729: VHCL SPEED SIG ERR
• C1735: IGNITION SIGNAL
4
• C1704: LOW PRESSURE FL
• C1705: LOW PRESSURE FR
• C1706: LOW PRESSURE RR
• C1707: LOW PRESSURE RL
• C1708: [NO DATA] FL
• C1709: [NO DATA] FR
• C1710: [NO DATA] RR
• C1711: [NO DATA] RL
• C1712: [CHECKSUM ERR] FL
• C1713: [CHECKSUM ERR] FR
• C1714: [CHECKSUM ERR] RR
• C1715: [CHECKSUM ERR] RL
• C1716: [PRESSDATA ERR] FL
• C1717: [PRESSDATA ERR] FR
• C1718: [PRESSDATA ERR] RR
• C1719: [PRESSDATA ERR] RL
• C1720: [CODE ERR] FL
• C1721: [CODE ERR] FR
• C1722: [CODE ERR] RR
• C1723: [CODE ERR] RL
• C1724: [BATT VOLT LOW] FL
• C1725: [BATT VOLT LOW] FR
• C1726: [BATT VOLT LOW] RR
• C1727: [BATT VOLT LOW] RL
Priority
DTC
CONSULT display
Fail-safe
Tire pressure
monitor warning
lamp ON
Reference page
No DTC is detected.
further testing
may be required.
—
—
—
U1000: CAN COMM CIRCUIT
—
—
B2190: NATS ANTTENA AMP
—
—
B2191: DIFFERENCE OF KEY
—
—
B2192: ID DISCORD BCM-ECM
—
—
B2193: CHAIN OF BCM-ECM
—
—
C1708: [NO DATA] FL
—
—
C1709: [NO DATA] FR
—
—
C1710: [NO DATA] RR
—
—
C1711: [NO DATA] RL
—
—
C1712: [CHECKSUM ERR] FL
—
—
C1713: [CHECKSUM ERR] FR
—
—
C1714: [CHECKSUM ERR] RR
—
—
C1715: [CHECKSUM ERR] RL
—
—
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