![NISSAN TEANA 2008 Service Manual PCS
RELAY CONTROL SYSTEM
PCS-5
< FUNCTION DIAGNOSIS >[IPDM E/R]
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NOTE:
BCM controls the starter relay.Control relay Input/output Transmit unit Control part Reference page
NISSAN TEANA 2008 Service Manual PCS
RELAY CONTROL SYSTEM
PCS-5
< FUNCTION DIAGNOSIS >[IPDM E/R]
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NOTE:
BCM controls the starter relay.Control relay Input/output Transmit unit Control part Reference page](/manual-img/5/57391/w960_57391-3395.png)
PCS
RELAY CONTROL SYSTEM
PCS-5
< FUNCTION DIAGNOSIS >[IPDM E/R]
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BCM controls the starter relay.Control relay Input/output Transmit unit Control part Reference page
• Headlamp low relay
Headlamp high relay Low beam request signal
High beam request signalBCM (CAN) Headlamp low
Headlamp highEXL-11
(Xenon headlamp)
EXL-200
(Halogen headlamp)
Front fog lamp relay Front fog light request signal BCM (CAN) Front fog lampEXL-17
(Xenon headlamp)
EXL-204
(Halogen headlamp)
Tail lamp relay Position light request signal BCM (CAN) Parking lamp
Side marker lamp
License plate lamp
Tail lampEXL-21
(Xenon headlamp)
EXL-208
(Halogen headlamp)
IlluminationsINL-12
Front wiper relay
Front wiper high relayFront wiper request signal BCM (CAN)
Front wiperWW-5
Front wiper auto stop signal Front wiper motor
Horn relay Theft warning horn request
signal
Horn reminder signalBCM (CAN) Horn (low)
Horn (high)SEC-17
Starter relayNOTE
Starter control relayStarter control relay signal BCM (CAN)
Starter motorSEC-104SEC-102
Steering lock unit condition
signalSteering lock unit
Starter relay control signal TCM
Steering lock relaySteering lock relay signal BCM (CAN)
Steering lock unitSEC-69
Steering lock unit condition
signalSteering lock unit
Control device (Detention
switch) signalControl device (Detention
switch)
A/C relayA/C compressor request sig-
nalECM (CAN)A/C compressor
(magnet clutch)HAC-36
(Without 7-inch dis-
play)
HAC-154
(With 7-inch display)
Cooling fan relay-1
Cooling fan relay-2
Cooling fan relay-3Cooling fan speed request sig-
nalECM (CAN) Cooling fan motor-
1
Cooling fan motor-
2EC-60
Headlamp washer relayHeadlamp washer request
signalBCM (CAN) Headlamp washerWW-10
Ignition relayIgnition switch ON signal BCM (CAN)
Ignition relay PCS-17Vehicle speed signal Combination meter (CAN)
Push-button ignition switch
signalPush-button ignition
switch
![NISSAN TEANA 2008 Service Manual PCS
DIAGNOSIS SYSTEM (IPDM E/R)
PCS-13
< FUNCTION DIAGNOSIS >[IPDM E/R]
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CONSULT-III Function (IPDM E/R)INFOID:0000000003773268
APPLICATION ITEM
CONSULT-III performs the f NISSAN TEANA 2008 Service Manual PCS
DIAGNOSIS SYSTEM (IPDM E/R)
PCS-13
< FUNCTION DIAGNOSIS >[IPDM E/R]
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CONSULT-III Function (IPDM E/R)INFOID:0000000003773268
APPLICATION ITEM
CONSULT-III performs the f](/manual-img/5/57391/w960_57391-3403.png)
PCS
DIAGNOSIS SYSTEM (IPDM E/R)
PCS-13
< FUNCTION DIAGNOSIS >[IPDM E/R]
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CONSULT-III Function (IPDM E/R)INFOID:0000000003773268
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with IPDM E/R.
SELF DIAGNOSTIC RESULT
Refer to PCS-33, "DTCIndex".
DATA MONITOR
Monitor item
Cooling fan does not operatePerform auto active test.
Does the cooling fan operate?YES ECM signal input circuit
CAN communication signal
between ECM and IPDM E/
R
NO Harness or connector be-
tween IPDM E/R and cool-
ing fan motor
Harness or connector be-
tween IPDM E/R and cool-
ing fan relay
Cooling fan motor
Cooling fan relay
IPDM E/R Symptom Inspection contents Possible cause
Diagnosis mode Description
Ecu Identification Allows confirmation of IPDM E/R part number.
Self Diagnostic Result Displays the diagnosis results judged by IPDM E/R.
Data Monitor Displays the real-time input/output data from IPDM E/R input/output data.
Active Test IPDM E/R can provide a drive signal to electronic components to check their operations.
CAN Diag Support Monitor The results of transmit/receive diagnosis of CAN communication can be read.
Monitor Item
[Unit]MAIN SIG-
NALSDescription
MOTOR FAN REQ
[1/2/3/4]×Displays the value of the cooling fan speed request signal received from ECM via
CAN communication.
AC COMP REQ
[Off/On]×Displays the status of the A/C compressor request signal received from ECM via
CAN communication.
TAIL&CLR REQ
[Off/On]×Displays the status of the position light request signal received from BCM via CAN
communication.
HL LO REQ
[Off/On]×Displays the status of the low beam request signal received from BCM via CAN
communication.
HL HI REQ
[Off/On]×Displays the status of the high beam request signal received from BCM via CAN
communication.
FR FOG REQ
[Off/On]×Displays the status of the front fog light request signal received from BCM via
CAN communication.
FR WIP REQ
[Stop/1LOW/Low/Hi]×Displays the status of the front wiper request signal received from BCM via CAN
communication.
WIP AUTO STOP
[STOP P/ACT P]×Displays the status of the front wiper auto stop signal judged by IPDM E/R.
WIP PROT
[Off/BLOCK]×Displays the status of the front wiper fail-safe operation judged by IPDM E/R.
IGN RLY1 -REQ
[Off/On]Displays the status of the ignition switch ON signal received from BCM via CAN
communication.
![NISSAN TEANA 2008 Service Manual WCS
DIAGNOSIS SYSTEM (METER)
WCS-13
< FUNCTION DIAGNOSIS >
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W TEMP METER
[°C] XValue of engine coolant temperature signal is received from ECM via CAN com-
munication.
NO NISSAN TEANA 2008 Service Manual WCS
DIAGNOSIS SYSTEM (METER)
WCS-13
< FUNCTION DIAGNOSIS >
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MB A
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W TEMP METER
[°C] XValue of engine coolant temperature signal is received from ECM via CAN com-
munication.
NO](/manual-img/5/57391/w960_57391-4942.png)
WCS
DIAGNOSIS SYSTEM (METER)
WCS-13
< FUNCTION DIAGNOSIS >
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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
![NISSAN TEANA 2008 Service Manual WCS-26
< ECU DIAGNOSIS >
COMBINATION METER
ECU DIAGNOSIS
COMBINATION METER
Reference ValueINFOID:0000000003838730
VALUES ON THE DIAGNOSIS TOOL
Monitor Item Condition Value/Status
SPEED METER
[km/h]Ign NISSAN TEANA 2008 Service Manual WCS-26
< ECU DIAGNOSIS >
COMBINATION METER
ECU DIAGNOSIS
COMBINATION METER
Reference ValueINFOID:0000000003838730
VALUES ON THE DIAGNOSIS TOOL
Monitor Item Condition Value/Status
SPEED METER
[km/h]Ign](/manual-img/5/57391/w960_57391-4955.png)
WCS-26
< ECU DIAGNOSIS >
COMBINATION METER
ECU DIAGNOSIS
COMBINATION METER
Reference ValueINFOID:0000000003838730
VALUES ON THE DIAGNOSIS TOOL
Monitor Item Condition Value/Status
SPEED METER
[km/h]Ignition switch
ONWhile drivingEquivalent to speedometer reading
NOTE:
655.35 is displayed when the malfunc-
tion signal is received
SPEED OUTPUT
[km/h]Ignition switch
ONWhile drivingEquivalent to speedometer reading
NOTE:
655.35 is displayed when the malfunc-
tion signal is received
ODO OUTPUT
[km/h or mph]Ignition switch
ON—Equivalent to odometer reading in
combination meter
TACHO METER
[rpm]Ignition switch
ONWhile drivingEquivalent to tachometer reading
NOTE:
8191.875 is displayed when the mal-
function signal is received
FUEL METER
[lit]Ignition switch
ON— Values according to fuel level
W TEMP METER
[°C]Ignition switch
ON—Values according to engine coolant
temperature
NOTE:
215 is displayed when the malfunction
signal is input
ABS W/LIgnition switch
ONABS warning lamp ON On
ABS warning lamp OFF Off
VDC/TCS INDIgnition switch
ONVDC OFF indicator lamp ON On
VDC OFF indicator lamp OFF Off
SLIP INDIgnition switch
ONSLIP Indicator lamp ON On
SLIP indicator lamp OFF Off
BRAKE W/LIgnition switch
ONBrake warning lamp ON On
Brake warning lamp OFF Off
DOOR W/LIgnition switch
ONDoor warning ON On
Door warning OFF Off
TRUNK/GLAS-HIgnition switch
ONTrunk warning ON On
Trunk warning OFF Off
HI-BEAM INDIgnition switch
ONHigh-beam indicator lamp ON On
High-beam indicator lamp OFF Off
TURN INDIgnition switch
ONTurn signal indicator lamp ON On
Turn signal indicator lamp OFF Off
FR FOG INDIgnition switch
ONFront fog light indicator lamp ON On
Front fog light indicator lamp OFF Off
RR FOG INDIgnition switch
ONRear fog light indicator lamp ON On
Rear fog light indicator lamp OFF Off
LIGHT IND
Ignition switch
ONTail lamp indicator lamp ON On
Tail lamp indicator lamp OFF Off

WCS-40
< ECU DIAGNOSIS >
COMBINATION METER
DTC Index
INFOID:0000000003838733
Function Specifications
Speedometer
Reset to zero by suspending communication. Tachometer
Water temperature gauge
Illumination controlWhen suspending communication, changes to nighttime
mode.
Information displayDoor open warning
The display turns off by suspending communication. Trunk open warning
Parking brake release warning
Instantaneous fuel warning When reception time of an abnormal signal is 2 seconds or
less, the last received datum is used for calculation to indi-
cate the result.
When reception time of an abnormal signal is more than two
seconds, the last result calculated during normal condition
is indicated. Average fuel consumption
Average vehicle speed
Travel distance
Buzzer The buzzer turns off by suspending communication.
Warning lamp/indicator
lampABS warning lamp
The lamp turns on by suspending communication. VDC OFF indicator lamp
SLIP indicator lamp
Brake warning lamp
High beam indicator lamp
The lamp turns off by suspending communication. Front fog light indicator lamp
Rear fog light indicator lamp
Turn signal indicator lamp
Light indicator lamp
Oil pressure warning lamp
Malfunction indicator lamp
CRUISE indicator lamp
SPORT indicator lamp
Key warning lamp
Display contents of CONSULT-III Diagnostic item is detected when ... Refer to
CAN COMM CIRCUIT
[U1000]When combination meter is not transmitting or receiving CAN communication signal
for 2 seconds or more.MWI-37,
"Diagnosis
Procedure"
CONTROL UNIT (CAN)
[U1010]When detecting error during the initial diagnosis of the CAN controller of combina-
tion meter.MWI-38, "Diagnosis
Procedure"
VEHICLE SPEED
[B2205]The abnormal vehicle speed signal is input from the ABS actuator and electric unit
(control unit) for 2 seconds or more.MWI-39, "Diagnosis
Procedure"
ENGINE SPEED
[B2267]If ECM continuously transmits abnormal engine speed signals for 2 seconds or
more.MWI-40, "Diagnosis
Procedure"
WATER TEMP
[B2268]If ECM continuously transmits abnormal engine coolant temperature signals for 60
seconds or more.MWI-41, "Diagnosis
Procedure"

DIAGNOSIS SYSTEM (IPDM E/R)
WW-17
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CONSULT-III Function (IPDM E/R)INFOID:0000000003941293
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with IPDM E/R.
SELF DIAGNOSTIC RESULT
Refer to WW-89, "DTCIndex".
DATA MONITOR
Monitor item
Cooling fan does not operatePerform auto active test.
Does the cooling fan operate?YES ECM signal input circuit
CAN communication signal
between ECM and IPDM E/
R
NO Harness or connector be-
tween IPDM E/R and cool-
ing fan motor
Harness or connector be-
tween IPDM E/R and cool-
ing fan relay
Cooling fan motor
Cooling fan relay
IPDM E/R Symptom Inspection contents Possible cause
Diagnosis mode Description
Ecu Identification Allows confirmation of IPDM E/R part number.
Self Diagnostic Result Displays the diagnosis results judged by IPDM E/R.
Data Monitor Displays the real-time input/output data from IPDM E/R input/output data.
Active Test IPDM E/R can provide a drive signal to electronic components to check their operations.
CAN Diag Support Monitor The results of transmit/receive diagnosis of CAN communication can be read.
Monitor Item
[Unit]MAIN SIG-
NALSDescription
MOTOR FAN REQ
[1/2/3/4]×Displays the value of the cooling fan speed request signal received from ECM via
CAN communication.
AC COMP REQ
[Off/On]×Displays the status of the A/C compressor request signal received from ECM via
CAN communication.
TAIL&CLR REQ
[Off/On]×Displays the status of the position light request signal received from BCM via CAN
communication.
HL LO REQ
[Off/On]×Displays the status of the low beam request signal received from BCM via CAN
communication.
HL HI REQ
[Off/On]×Displays the status of the high beam request signal received from BCM via CAN
communication.
FR FOG REQ
[Off/On]×Displays the status of the front fog light request signal received from BCM via
CAN communication.
FR WIP REQ
[Stop/1LOW/Low/Hi]×Displays the status of the front wiper request signal received from BCM via CAN
communication.
WIP AUTO STOP
[STOP P/ACT P]×Displays the status of the front wiper auto stop signal judged by IPDM E/R.
WIP PROT
[Off/BLOCK]×Displays the status of the front wiper fail-safe operation judged by IPDM E/R.
IGN RLY1 -REQ
[Off/On]Displays the status of the ignition switch ON signal received from BCM via CAN
communication.