
MWI
DIAGNOSIS SYSTEM (METER)
MWI-33
< FUNCTION DIAGNOSIS >
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7. Each meter activates by pressing the trip reset switch.
NOTE:
If any of the meters or gauges are not activated, replace combination meter.
CONSULT-III Function (METER/M&A)INFOID:0000000003792551
CONSULT-III APPLICATION ITEMS
CONSULT-III can perform the following diagnosis modes via CAN communication and the combination meter.
SELF DIAG RESULT
Refer to MWI-67, "DTC Index".
DATA MONITOR
Display Item List
X: Applicable
JPNIA1019ZZ
System Diagnosis mode Description
METER/M&ASelf Diagnostic Result The combination meter checks the conditions and displays memorized errors.
Data Monitor Displays the combination meter input/output data in real time.
Special function Lighting history of the warning lamp and indicator lamp can be checked.
Display item [Unit]MAIN
SIGNALSDescription
SPEED METER
[km/h]XValue of vehicle speed signal received from ABS actuator and electric unit (control
unit) via CAN communication.
NOTE:
655.35 is displayed when the malfunction signal is received.
SPEED OUTPUT
[km/h]XVehicle speed signal value transmitted to other units via CAN communication.
NOTE:
655.35 is displayed when the malfunction signal is received.
ODO OUTPUT
[km/h or mph]Odometer signal value transmitted to other units via CAN communication.
TACHO METER
[rpm]XValue of the engine speed signal received from ECM via CAN communication.
NOTE:
8191.875 is displayed when the malfunction signal is received.
FUEL METER
[lit.]X Fuel level indicated on combination meter.
![NISSAN TEANA 2008 Service Manual MWI-34
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (METER)
W TEMP METER
[°C] XValue of engine coolant temperature signal is received from ECM via CAN com-
munication.
NOTE:
215 is displayed when the mal NISSAN TEANA 2008 Service Manual MWI-34
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (METER)
W TEMP METER
[°C] XValue of engine coolant temperature signal is received from ECM via CAN com-
munication.
NOTE:
215 is displayed when the mal](/manual-img/5/57391/w960_57391-3287.png)
MWI-34
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (METER)
W TEMP METER
[°C] XValue of engine coolant temperature signal is received from ECM via CAN com-
munication.
NOTE:
215 is displayed when the malfunction signal is input.
ABS W/L
[On/Off]Status of ABS warning lamp detected from ABS warning lamp signal is received
from ABS actuator and electric unit (control unit) via CAN communication.
VDC/TCS IND
[On/Off]Status of VDC OFF indicator lamp detected from VDC OFF indicator lamp signal
is received from ABS actuator and electric unit (control unit) via CAN communica-
tion.
SLIP IND
[On/Off]Status of SLIP indicator lamp detected from slip indicator lamp signal received
from ABS actuator and electric unit (control unit) via CAN communication.
BRAKE W/L
[On/Off]Status of brake warning lamp detected from brake warning lamp signal is received
from ABS actuator and electric unit (control unit) via CAN communication.
NOTE:
Displays “Off” if the brake warning lamp is illuminated when the valve check starts,
the parking brake switch is turned ON or the brake fluid level switch is turned ON.
DOOR W/L
[On/Off]Status of door warning detected from door switch signal received from BCM via
CAN communication.
TRUNK/GLAS-H
[On/Off]Status of trunk warning detected from trunk switch signal received from BCM via
CAN communication.
HI-BEAM IND
[On/Off]Status of high beam indicator lamp detected from high beam request signal is re-
ceived from BCM via CAN communication.
TURN IND
[On/Off]Status of turn indicator lamp detected from turn indicator signal is received from
BCM via CAN communication.
FR FOG IND
[On/Off]Status of front fog light indicator lamp detected from front fog light request signal
is received from BCM via CAN communication.
RR FOG IND
[On/Off]Status of rear fog light indicator lamp detected from rear fog light request signal is
received from BCM via CAN communication.
LIGHT IND
[On/Off]Status of light indicator lamp detected from position light request signal is received
from BCM via CAN communication.
OIL W/L
[On/Off]Status of oil pressure warning lamp detected from oil pressure switch signal is re-
ceived from BCM via CAN communication.
MIL
[On/Off] Status of malfunction indicator lamp detected from malfunctioning indicator lamp
signal is received from ECM via CAN communication.
CRUISE IND
[On/Off]Status of CRUISE indicator detected from ASCD status signal is received from
ECM via CAN communication.
SPORT IND
[On/Off]Status of SPORT indicator detected from sport mode switch signal is received
from control device.
4WD W/L
[On/Off]This item is displayed, but cannot be monitored.
4WD LOCK IND
[On/Off]This item is displayed, but cannot be monitored.
FUEL W/L
[On/Off]Low-fuel warning lamp status detected by the identified fuel level.
WASHER W/L
[On/Off]This item is displayed, but cannot be monitored.
KEY G/Y W/L
[On/Off]Status of key warning lamp (G/Y) detected from key warning signal is received
from BCM via CAN communication.
AFS OFF IND
[On/Off]This item is displayed, but cannot be monitored.
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 detected from meter display sig-
nal is received from BCM via CAN communication. Display item [Unit]MAIN
SIGNALSDescription

MWI
POWER SUPPLY AND GROUND CIRCUIT
MWI-43
< COMPONENT DIAGNOSIS >
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Is the fuse fusing?
YES >> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO >> GO TO 2.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connectors.
3. Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES >> GO TO 3.
NO >> Repair harness or connector.
3.CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES >> INSPECTION END
NO >> Repair harness or connector.
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) : Di-
agnosis Procedure
INFOID:0000000003900506
1.CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible links are not blown.
Is the fuse fusing?
YES >> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO >> GO TO 2.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
Signal name Fuse and fusible link No.
Battery power supplyI
10
Te r m i n a l s
Vo l ta g e
(Approx.) (+) (−)
BCM
Ground Connector Terminal
M118 1
Battery voltage
M119 11
BCM
GroundContinuity
Connector Terminal
M119 13 Existed
Signal name Fuses and fusible link No.
Battery power supplyE
50
51

MWI-50
< COMPONENT DIAGNOSIS >
OIL PRESSURE SWITCH SIGNAL CIRCUIT
OIL PRESSURE SWITCH SIGNAL CIRCUIT
DescriptionINFOID:0000000003792577
Detects the engine oil pressure and transmits the oil pressure switch signal to IPDM E/R.
Component Function CheckINFOID:0000000003792578
1.CHECK COMBINATION METER INPUT SIGNAL
Select the “Data Monitor” for the “METER/M&A” and check the “OIL W/L” monitor value.
>> INSPECTION END
Diagnosis ProcedureINFOID:0000000003792579
1.CHECK OIL PRESSURE SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and oil pressure switch connector.
3. Check continuity between IPDM E/R harness connector terminal and oil pressure switch harness connec-
tor terminal.
4. Check continuity between IPDM E/R harness connector terminal and ground.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
Component InspectionINFOID:0000000003792580
1.CHECK OIL PRESSURE SWITCH UNIT
“OIL W/L”
Ignition switch ON : On
Engine running : Off
Te r m i n a l s
Continuity (+) (-)
IPDM E/R Oil pressure switch
Connector Terminal Connector Terminal
F12 75 F63 1 Existed
Te r m i n a l s
Continuity (+) (-)
IPDM E/R
Ground Connector Terminal
F12 75 Not existed

MWI
OIL PRESSURE SWITCH SIGNAL CIRCUIT
MWI-51
< COMPONENT DIAGNOSIS >
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Check continuity between oil pressure switch and ground.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace the oil pressure switch.
Condition Continuity
Engine stopped Existed
Engine running Not existed
ELF0044D

MWI
THE OIL PRESSURE WARNING LAMP DOES NOT TURN OFF
MWI-119
< SYMPTOM DIAGNOSIS >
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THE OIL PRESSURE WARNING LAMP DOES NOT TURN OFF
DescriptionINFOID:0000000003792607
The oil pressure warning lamp remains illuminated while the engine is running (normal oil pressure)
Diagnosis ProcedureINFOID:0000000003792608
1.CHECK OIL PRESSURE WARNING LAMP
Perform auto active test. Refer to MWI-32, "
Diagnosis Description".
Is oil pressure warning lamp illuminated?
YES >> GO TO 2.
NO >> GO TO 5.
2.CHECK IPDM E/R OUTPUT VOLTAGE
1. Disconnect the oil pressure switch connector.
2. Turn ignition switch ON.
3. Check voltage between the oil pressure switch harness connector terminal and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 4.
3.CHECK OIL PRESSURE SWITCH UNIT
Perform a unit check for the oil pressure switch. Refer to MWI-50, "
Component Inspection".
Is the inspection result normal?
YES >> Replace IPDM E/R. Refer to PCS-34, "Removal and Installation".
NO >> Replace oil pressure switch.
4.CHECK OIL PRESSURE SWITCH SIGNAL CIRCUIT
Check the oil pressure switch signal circuit. Refer to MWI-50, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair harness or connector.
5.CHECK COMBINATION METER INPUT SIGNAL
Connect CONSULT-III and perform an input signal check for the combination meter. Refer to MWI-50, "
Com-
ponent Function Check".
Is the inspection result normal?
YES >> Replace combination meter.
NO >> Replace BCM. Refer to BCS-78, "
Removal and Installation".
Te r m i n a l s
Voltag e
(Approx.) (+) (-)
Oil pressure switch
Ground Connector Terminal
F63 1 12 V

MWI-120
< SYMPTOM DIAGNOSIS >
THE PARKING BRAKE RELEASE WARNING CONTINUES DISPLAYING, OR
DOES NOT DISPLAY
THE PARKING BRAKE RELEASE WARNING CONTINUES DISPLAYING,
OR DOES NOT DISPLAY
DescriptionINFOID:0000000003792609
The parking brake warning is displayed during vehicle travel even though the parking brake is released
The parking brake warning is not displayed even though driving the vehicle with the parking brake applied
Diagnosis ProcedureINFOID:0000000003792610
1.CHECK PARKING BRAKE WARNING LAMP OPERATION
1. Start engine.
2. Check the operation of the parking brake warning lamp when operating the parking brake.
Is the inspection result normal?
YES >> Replace combination meter.
NO >> GO TO 2.
2.CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Check the parking brake switch signal circuit. Refer to MWI-52, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair harness or connector.
3.CHECK PARKING BRAKE SWITCH UNIT
Perform a unit check for the parking brake switch. Refer to BRC-124, "
Component Inspection".
Is the inspection result normal?
YES >> Replace combination meter.
NO >> Replace parking brake switch.
Condition Warning lamp status
When parking brake is applied ON
When parking brake is released OFF

PCS-2
INTELLIGENT KEY : CONSULT-III Function
(BCM - INTELLIGENT KEY) ...................................
42
COMPONENT DIAGNOSIS ........................46
U1000 CAN COMM CIRCUIT ............................46
BCM ...........................................................................46
BCM : Description ...................................................46
BCM : DTC Logic ....................................................46
BCM : Diagnosis Procedure ...................................46
IPDM E/R ...................................................................46
IPDM E/R : Description ...........................................46
IPDM E/R : DTC Logic ............................................46
IPDM E/R : Diagnosis Procedure ...........................46
U1010 CONTROL UNIT (CAN) .........................48
BCM ...........................................................................48
BCM : DTC Logic ....................................................48
BCM : Diagnosis Procedure ...................................48
BCM : Special Repair Requirement ........................48
B2553 IGNITION RELAY ...................................49
Description ..............................................................49
DTC Logic ...............................................................49
Diagnosis Procedure ..............................................49
B260A IGNITION RELAY ..................................51
Description ..............................................................51
DTC Logic ...............................................................51
Diagnosis Procedure ..............................................51
B2614 ACC RELAY ...........................................53
Description ..............................................................53
DTC Logic ...............................................................53
Diagnosis Procedure ..............................................53
Component Inspection ............................................54
B2615 BLOWER RELAY CIRCUIT ...................55
Description ..............................................................55
DTC Logic ...............................................................55
Diagnosis Procedure ..............................................55
Component Inspection ............................................56
B2616 IGNITION RELAY CIRCUIT ...................57
Description ..............................................................57
DTC Logic ...............................................................57
Diagnosis Procedure ..............................................57
Component Inspection ............................................58
B2618 BCM ........................................................59
Description ..............................................................59
DTC Logic ...............................................................59
Diagnosis Procedure ..............................................59
B261A PUSH-BUTTON IGNITION SWITCH .....60
Description ..............................................................60
DTC Logic ...............................................................60
Diagnosis Procedure ..............................................60
POWER SUPPLY AND GROUND CIRCUIT .....62
BCM ...........................................................................62
BCM : Diagnosis Procedure ....................................62
PUSH-BUTTON IGNITION SWITCH .................63
Description ..............................................................63
Component Function Check ..................................63
Diagnosis Procedure ...............................................63
Component Inspection ............................................64
PUSH-BUTTON IGNITION SWITCH POSI-
TION INDICATOR ..............................................
66
Description ..............................................................66
Component Function Check ..................................66
Diagnosis Procedure ...............................................66
Component Inspection ............................................67
POWER DISTRIBUTION SYSTEM ...................68
Wiring Diagram - PDS (POWER DISTRIBUTION
SYSTEM) - ..............................................................
68
ECU DIAGNOSIS .......................................73
BCM (BODY CONTROL MODULE) ..................73
Reference Value .....................................................73
Wiring Diagram - BCM - ..........................................96
Fail-safe ................................................................102
DTC Inspection Priority Chart .............................104
DTC Index ............................................................105
IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) ................
107
Reference Value ...................................................107
Wiring Diagram - IPDM E/R - ................................115
Fail-safe ................................................................118
DTC Index ............................................................120
PRECAUTION ...........................................121
PRECAUTIONS ................................................121
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ...............................................................
121
Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect .................................
121
SYMPTOM DIAGNOSIS ...........................122
POWER DISTRIBUTION SYSTEM ..................122
Symptom Table .....................................................122
PUSH-BUTTON IGNITION SWITCH DOES
NOT OPERATE ................................................
124
Description ............................................................124
Diagnosis Procedure .............................................124
PUSH-BUTTON IGNITION SWITCH POSI-
TION INDICATOR DOES NOT ILLUMINATE ..
125
Description ............................................................125
Diagnosis Procedure .............................................125