Infiniti EX35. Manual — part 1091
MWI-42
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (UNIFIED METER AND A/C AMP.)
LCD
[B&P N, B&P I, ID NG, ROTAT, SFT
P, INSRT, BATT, NO KY,OUTKY, LK
WN]
Displays status of Intelligent Key system warning judged from meter display signal
received from BCM with CAN communication line.
ACC TARGET
[On/Off]
Status of vehicle ahead detection indicator judged from meter display signal re-
ceived from ICC sensor integrated unit with CAN communication line.
ACC DISTANCE
[Off, SHOR, MID, LONG]
Status of set distance indicator judged from meter display signal received from
ICC sensor integrated unit with CAN communication line.
ACC OWN VHL
[On/Off]
Status of own vehicle indicator judged from meter display signal received from
ICC sensor integrated unit with CAN communication line.
ACC SET SPEED
[On/Off]
Status of set vehicle speed indicator judged from meter display signal received
from ICC sensor integrated unit with CAN communication line.
ACC UNIT
[On/Off]
Status of display unit judged from meter display signal received from ICC sensor
integrated unit with CAN communication line.
SHIFT IND
[P, R, N, D, M1, M2, M3, M4, M5]
Status of A/T position indicator judged from shift position signal and manual mode
indicator signal received from TCM with CAN communication line.
O/D OFF SW
[On/Off]
This item is displayed, but cannot be monitored.
AT S MODE SW
[On/Off]
Status of snow mode switch.
AT P MODE SW
[On/Off]
This item is displayed, but cannot be monitored.
M RANGE SW
[On/Off]
Status of manual mode switch.
NM RANGE SW
[On/Off]
Status of not manual mode switch.
AT SFT UP SW
[On/Off]
Status of A/T shift up switch.
AT SFT DWN SW
[On/Off]
Status of A/T shift down switch.
ST SFT UP SW
[On/Off]
This item is displayed, but cannot be monitored.
ST SFT DWN SW
[On/Off]
This item is displayed, but cannot be monitored.
COMP F/B SIG
[On/Off]
A/C compressor activation condition that ECM judges according to the water tem-
perature and the acceleration degree.
4WD LOCK SW
[Off]
This item is displayed, but cannot be monitored.
PKB SW
[On/Off]
Status of parking brake switch.
BUCKLE SW
[On/Off]
Status of seat belt buckle switch.
BRAKE OIL SW
[On/Off]
Status of brake fluid level switch.
DISTANCE
[km]
Value of possible driving distance calculated by unified meter and A/C amp.
OUTSIDE TEMP
[
°
C or
°
F]
Ambient air temperature value converted from ambient sensor signal received
from ambient sensor.
NOTE:
This may not match with the temperature value indicated on the information dis-
play. (Because the information display value is a corrected value from the ambient
sensor input value.)
Display item [Unit]
MAIN
SIGNALS
Description
MWI
DIAGNOSIS SYSTEM (UNIFIED METER AND A/C AMP.)
MWI-43
< FUNCTION DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
NOTE:
Some items are not available according to vehicle specification.
FUEL LOW SIG
[On/Off]
Status of fuel level low warning signal to output to AV control unit with CAN com-
munication line.
BUZZER
[On/Off]
X
Buzzer status (in the combination meter) is judged with the buzzer output signal
received from each unit with CAN communication line and the warning output con-
dition of the combination meter.
Display item [Unit]
MAIN
SIGNALS
Description
MWI-44
< COMPONENT DIAGNOSIS >
U1000 CAN COMM CIRCUIT
COMPONENT DIAGNOSIS
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000003140183
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with two
communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart. Refer to
LAN-17, "How to Use CAN Communication Signal Chart"
.
DTC Logic
INFOID:0000000003140184
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000003140185
1.
PERFORM SELF DIAGNOSTIC
1.
Turn ignition switch ON and wait for 2 seconds or more.
2.
Check “Self Diagnostic Result” of “METER/M&A”.
Is “CAN COMM CIRCUIT” displayed?
YES
>> Refer to
LAN-18, "Trouble Diagnosis Flow Chart"
NO
>> Refer to
GI-38, "Intermittent Incident"
.
DTC
Display contents of
CONSULT-III
Diagnostic item is detected when ...
Probable malfunction location
U1000
CAN COMM CIRCUIT
When unified meter and A/C amp. is not trans-
mitting or receiving CAN communication sig-
nal for 2 seconds or more.
CAN communication system
MWI
U1010 CONTROL UNIT (CAN)
MWI-45
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
U1010 CONTROL UNIT (CAN)
Description
INFOID:0000000003140186
Initial diagnosis of unified meter and A/C amp.
DTC Logic
INFOID:0000000003140187
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000003140188
1.
REPLACE UNIFIED METER AND A/C AMP.
When DTC “U1010” is detected, replace unified meter and A/C amp.
>> INSPECTION END
DTC
Display contents of CON-
SULT-III
Diagnostic item is detected when ...
Probable malfunction location
U1010
CONTROL UNIT (CAN)
If any malfunction is detected during initial di-
agnosis of unified meter and A/C amp. CAN
controller
Unified meter and A/C amp.
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