2005 NISSAN NAVARA control unit

CAN COMMUNICATION
LAN-39
[CAN]
C
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LAN
Input/output signal chart
T: Transmit R: Receive
Signals ECMNAVI
control
unitDiffer-
ential
lock
control
unitFront air
con-
trol
*1BCMCombi-
nation
meterTrans-
fer con-
trol unitABS
actua-
tor and
electric
unit
(control
unit)IPDM
E/R
A/C compressor request signal TR
ASCD CRUISE lamp signal T R
ASCD SET lamp signal T R
Cooling fan speed request signal TR
Engine coolant temperature signal T R R
Engine speed signal T R R R
Engine status signal T R R
Fuel consumption monitor signalTR
RT
Glow indicator signal T R
Glow relay signal T R
Malfunction indicator signal T R
A/C switch/indicator signal T
R
*2
Differential lock indicator signal T R
Differential lock switch signal T R
PTC heater signal
*3RT
A/C switch signal R
R
*2T
Buzzer output signal T R
Day time running light request signal R T R R
Door switch signal T R R
Front fog light request signal R T R R
Front wiper request signal T R
High beam request signal T R R
Horn chirp signal T R
Low beam request signal T R
Position light request signal T R R
Rear fog light request signal R T R
Rear window defogger switch signal R T R
Sleep wake up signal T R R
Theft warning horn request signal T R
Trailer lamp signal T R
Turn indicator signal T R
Distance to empty signal R T
Fuel level low warning signal R T
4WD shift switch signal R T
ABS warning lamp signal R T
Stop lamp switch signalRT

LAN-40
[CAN]
CAN COMMUNICATION
NOTE:
*1: Except for RHD models without automatic air conditioner
*2: Automatic air conditioner models only
*3: LHD models only
TYPE 12/ TYPE 13/ TYPE 14/ TYPE 15
System diagram
lTy p e 1 2
lTy p e 1 3
Vehicle speed signalR
R
*2RR T
RR
R
*2RT
Front wiper stop position signal R T
Hood switch signal R T
Oilpressureswitchsignal R T
Rear window defogger control signal R TSignals ECMNAVI
control
unitDiffer-
ential
lock
control
unitFront air
con-
trol
*1BCMCombi-
nation
meterTrans-
fer con-
trol unitABS
actua-
tor and
electric
unit
(control
unit)IPDM
E/R
PKIC1400E
PKIC1401E

CAN COMMUNICATION
LAN-41
[CAN]
C
D
E
F
G
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MA
B
LAN
lType 14
lType 15
Input/output signal chart
T: Transmit R: Receive
PKIC1402E
PKIC1384E
Signals ECM TCMNAVI
con-
trol
unitDiffer-
ential
lock
con-
trol
unitFront
air
controlBCMCom-
bina-
tion
meterTrans-
fer
con-
trol
unitABS
actua-
tor and
elec-
tric unit
(con-
trol
unit)IPDM
E/R
A/C compressor request signal TR
Accelerator pedal position signal T 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 TR

LAN-42
[CAN]
CAN COMMUNICATION
Engine coolant temperature signal T R R
Engine speed signal T R R R R
Engine status signal T R R
Fuel consumption monitor signalTR
RT
Glow indicator signal T R
Glow relay signal T R
Malfunction indicator 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
OD OFF indicator lamp signal T R
Output shaft revolution signal R T R
Turbine revolution signal R T
A/C switch/indicator signal T R
Differential lock indicator signal T R
Differential lock switch signal T R
PTC heater signal
*RT
A/C switch signal R R T
Buzzer output signal T R
Day time running light request signal R T R R
Door switch signal T R R
Front fog light request signal R T R R
Front wiper request signal T R
High beam request signal T R R
Horn chirp signalTR
Low beam request signal T R
Position light request signal T R R
Rear fog light request signal R T R
Rear window defogger switch signal R T R
Sleepwakeupsignal T R R
Theft warning horn request signal T R
Trailer lamp signal T R
Turn indicator signal T R
1st position switch signal R T
Distance to empty signal R T
Fuel level low warning signal R T
Overdrive control switch signal R T
Stop lamp switch signal R TSignals ECM TCMNAVI
con-
trol
unitDiffer-
ential
lock
con-
trol
unitFront
air
controlBCMCom-
bina-
tion
meterTrans-
fer
con-
trol
unitABS
actua-
tor and
elec-
tric unit
(con-
trol
unit)IPDM
E/R

CAN COMMUNICATION
LAN-43
[CAN]
C
D
E
F
G
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L
MA
B
LAN
NOTE:
*: LHD models only4WD shift switch signal R T
ABS operation signal R T
ABS warning lamp signalRT
Vehicle speed signalRR RRT
RRR RR T
Stop lamp switch signalRT
Front wiper stop position signal R T
Hood switch signal R T
Oil pressure switch signalRT
Rear window defogger control signal R TSignals ECM TCMNAVI
con-
trol
unitDiffer-
ential
lock
con-
trol
unitFront
air
controlBCMCom-
bina-
tion
meterTrans-
fer
con-
trol
unitABS
actua-
tor and
elec-
tric unit
(con-
trol
unit)IPDM
E/R

CAN SYSTEM (TYPE 1)
LAN-45
[CAN]
C
D
E
F
G
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B
LAN
Check SheetEKS00QAS
NOTE:
If a check mark is put on “NG” on “INITIAL DIAG (Initial diagnosis)”, replace the control unit.
PKIC1415E

CAN SYSTEM (TYPE 1)
LAN-47
[CAN]
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B
LAN
CHECK SHEET RESULTS (EXAMPLE)
NOTE:
If a check mark is put on “NG” on “INITIAL DIAG (Initial diagnosis)”, replace the control unit.
Case 1
Check harness between data link connector and ABS actuator and electric unit (control unit) circuit. Refer to
LAN-296, "
Inspection Between Data Link Connector and ABS Actuator and Electric Unit (Control Unit) Circuit"
.
PKIC1727E
PKIC1442E

CAN SYSTEM (TYPE 1)
LAN-53
[CAN]
C
D
E
F
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B
LAN
Case 7
Check ABS actuator and electric unit (control unit) circuit. Refer toLAN-302, "ABS Actuator and Electric Unit
(Control Unit) Circuit Inspection".
PKIC1733E
PKIC1448E