Nissan Frontier. Manual — part 976
LAN-54
< SYSTEM DESCRIPTION >
[CAN]
CAN COMMUNICATION SYSTEM
CAN Communication Signal Chart
INFOID:0000000009479120
LAN-13, "How to Use CAN Communication Signal Chart"
for how to use CAN communication signal
chart.
NOTE:
for the abbreviations of the connecting units.
T: Transmit R: Receive
Signal name/Connecting unit
ECM
TCM
AV
HV
AC
4WD
BCM
DIFF
M&A
STRG
ABS
IPDM
-E
A/C compressor request signal
T
R
Accelerator pedal position signal
T
R
R
ASCD CRUISE lamp signal
T
R
ASCD OD cancel request
T
R
ASCD operation signal
T
R
ASCD SET lamp signal
T
R
Battery voltage signal
T
R
Closed throttle position signal
T
R
Cooling fan speed request signal
T
R
Engine coolant temperature signal
T
R
R
Engine speed signal
T
R
R
R
R
R
R
Engine status signal
T
R
R
Fuel filler cap warning display signal
T
R
Fuel consumption monitor signal
T
R
R
Malfunction indicator lamp signal
T
R
Power generation command value signal
T
R
Wide open throttle position signal
T
R
A/T fluid temperature sensor signal
T
R
A/T position indicator lamp signal
T
R
R
R
A/T self-diagnosis signal
R
T
Input speed signal
R
T
O/D OFF indicator signal
T
R
Output shaft revolution signal
R
T
R
4WD shift switch signal
T
R
A/C switch signal
R
R
T
Blower fan motor switch signal
R
T
Buzzer output signal
T
R
Day time running light request signal
*1
T
R
R
Door switch signal
R
T
R
R
Front fog light request signal
T
R
R
Front wiper request signal
T
R
High beam request signal
T
R
R
Horn chirp signal
T
R
Ignition switch signal
T
R
Low beam request signal
T
R
Position light request signal
T
R
R
Rear window defogger switch signal
T
R
LAN
CAN COMMUNICATION SYSTEM
LAN-55
< SYSTEM DESCRIPTION >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
*1: Canada models only
*2: Models with hill descent control
NOTE:
CAN data of the air bag diagnosis sensor unit is not used by usual service work, thus it is omitted.
Sleep wake up signal
T
R
R
Theft warning horn request signal
T
R
Turn indicator signal
T
R
Differential lock indicator signal
T
R
Differential lock switch signal
T
R
1st position switch signal
R
T
Distance to empty signal
R
T
Fuel filler warning reset signal
R
T
Fuel level low warning signal
R
T
Fuel level sensor signal
R
T
Overdrive control switch signal
R
T
Seat belt buckle switch signal
R
T
Stop lamp switch signal
R
R
T
R
T
Vehicle speed signal
R
R
R
R
T
R
R
R
R
T
Steering angle sensor signal
T
R
ABS warning lamp signal
R
T
Brake warning lamp signal
R
T
Hill descent control indicator lamp signal
*2
R
T
SLIP indicator lamp signal
R
T
VDC OFF indicator lamp signal
R
T
Front wiper stop position signal
R
T
High beam status signal
R
T
Low beam status signal
R
T
Rear window defogger control signal
R
T
Signal name/Connecting unit
ECM
TCM
AV
HV
AC
4WD
BCM
DIFF
M&A
STRG
ABS
IPDM
-E
LAN-56
< SYSTEM DESCRIPTION >
[CAN]
TROUBLE DIAGNOSIS
TROUBLE DIAGNOSIS
CAN Diagnostic Support Monitor
INFOID:0000000009479121
Use “CAN DIAG SUPPORT MNTR” for detecting the root cause.
MONITOR ITEM LIST (CONSULT)
ECM
0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF
→ON)
*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.
TCM
NOTE:
Replace the unit when “NG” is indicated on the “INITIAL DIAG”.
Transfer Control Unit
NOTE:
Replace the unit when “NG” is indicated on the “INITIAL DIAG”.
ITEM
CAN DIAG SUP-
PORT MNTR
Description
Normal
Error
PRESENT
PAST
PRESENT
PAST
ECM
TRANSMIT DIAG
Signal transmission status
OK
OK
or
1 – 39
*
UNKWN
0
VDC/TCS/ABS
Signal receiving status from the ABS ac-
tuator and electric unit (control unit)
METER/M&A
Signal receiving status from the combi-
nation meter
OK
OK
or
1 – 39
*
UNKWN
0
BCM/SEC
Signal receiving status from the BCM
ICC/ADAS
Not used even though indicated
HVAC
TCM
Signal receiving status from the TCM
OK
OK
or
1 – 39
*
UNKWN
0
MULTI AV
Not used even though indicated
EPS
IPDM E/R
Signal receiving status from the
IPDM E/R
OK
OK
or
1 – 39
*
UNKWN
0
e4WD
Not used even though indicated
AWD/4WD
Signal receiving status from the transfer
control unit
OK
OK
or
1 – 39
*
UNKWN
0
ITEM
CAN DIAG SUP-
PORT MNTR
Description
Normal
Error
PRESENT
TCM
INITIAL DIAG
Status of CAN controller
OK
NG
TRANSMIT DIAG
Signal transmission status
UNKWN
ECM
Signal receiving status from the ECM
VDC/TCS/ABS
Signal receiving status from the ABS actuator and electric unit (con-
trol unit)
OK
UNKWN
METER/M&A
Signal receiving status from the combination meter
BCM
Not used even though indicated
AWD/4WD
Signal receiving status from the transfer control unit
OK
UNKWN
LAN
TROUBLE DIAGNOSIS
LAN-57
< SYSTEM DESCRIPTION >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
Air Bag Diagnosis Sensor Unit
0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF
→ON)
*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.
AV Control Unit
0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF
→ON)
*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.
BCM
NOTE:
ITEM
CAN DIAG SUP-
PORT MNTR
Description
Normal
Error
PRESENT
4WD
INITIAL DIAG
Status of CAN controller
OK
NG
TRANSMIT DIAG
Signal transmission status
UNKWN
ECM
Signal receiving status from the ECM
VDC/TCS/ABS
Signal receiving status from the ABS actuator and electric unit (con-
trol unit)
TCM
Signal receiving status from the TCM
METER/M&A
Signal receiving status from the combination meter
BCM/SEC
Not used even though indicated
ITEM
CAN DIAG SUP-
PORT MNTR
Description
Normal
Error
PRESENT
PAST
PRESENT
PAST
A-BAG
TRANSMIT DIAG
Not used even though indicated
ECM
Signal receiving status from the ECM
OK
OK
or
1 – 39
*
UNKWN
0
VDC/TCS/ABS
Signal receiving status from the ABS actua-
tor and electric unit (control unit)
METER/M&A
Signal receiving status from the combina-
tion meter
BCM/SEC
Not used even though indicated
TCM
STRG
Signal receiving status from the steering an-
gle sensor
OK
OK
or
1 – 39
*
UNKWN
0
EV/HEV
Not used even though indicated
ITEM
CAN DIAG SUP-
PORT MNTR
Description
Normal
Error
PRESENT
PAST
PRESENT
PAST
AV
TRANSMIT DIAG
Not used even though indicated
ECM
Signal receiving status from the ECM
OK
OK
or
1 – 39
*
UNKWN
0
VDC/TCS/ABS
Not used even though indicated
METER/M&A
BCM/SEC
ICC/ADAS
HVAC
STRG
TIRE-P
IPDM E/R
TCU
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