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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
Page 3394 of 5121
PCS
PCS-3
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ON-VEHICLE REPAIR ...............................126
BCM (BODY CONTROL MODULE) .................126
Exploded View ......................................................126
Removal and Installation .......................................126
PUSH BUTTON IGNITION SWITCH ...............127
Removal and Installation .......................................127
Page 3395 of 5121
PCS-4
< FUNCTION DIAGNOSIS >[IPDM E/R]
RELAY CONTROL SYSTEM
FUNCTION DIAGNOSIS
RELAY CONTROL SYSTEM
System DiagramINFOID:0000000003773255
System DescriptionINFOID:0000000003773256
IPDM E/R activates the internal control circuit to perform the relay ON-OFF control according to the input sig-
nals from various sensors and the request signals received from control units via CAN communication.
CAUTION:
IPDM E/R integrated relays cannot be removed.
JPMIA1015GB
Page 3396 of 5121
![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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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
Page 3397 of 5121
PCS-6
< FUNCTION DIAGNOSIS >[IPDM E/R]
RELAY CONTROL SYSTEM
Component Parts Location
INFOID:0000000003773257
1. IPDM E/R
A. Engine room (LH)
JPMIA1037ZZ
Page 3398 of 5121
PCS
POWER CONTROL SYSTEM
PCS-7
< FUNCTION DIAGNOSIS >[IPDM E/R]
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POWER CONTROL SYSTEM
System DiagramINFOID:0000000003773258
System DescriptionINFOID:0000000003773259
ALTERNATOR CONTROL
IPDM E/R outputs power generation command signal (PWM signal) to the alternator according to the status of
the power generation command value signal received from ECM via CAN communication. Refer to CHG-7,
"System Diagram".
Component Parts LocationINFOID:0000000003773260
JPMIA0908GB
1. IPDM E/R
A. Engine room (LH)
JPMIA1037ZZ
Page 3399 of 5121
PCS-8
< FUNCTION DIAGNOSIS >[IPDM E/R]
SIGNAL BUFFER SYSTEM
SIGNAL BUFFER SYSTEM
System DiagramINFOID:0000000003773261
NOTE:
*: With BOSE audio system
System DescriptionINFOID:0000000003773262
IPDM E/R reads the status of the oil pressure switch and transmits the oil pressure switch signal to BCM via
CAN communication. Refer to MWI-22, "
WARNING LAMPS/INDICATOR LAMPS : System Diagram".
IPDM E/R reads the status of the hood switch and transmits the hood switch signal to BCM via CAN commu-
nication. Refer to SEC-17, "
System Diagram".
IPDM E/R receives the rear window defogger control signal from BCM via CAN communication and trans-
mits it to ECM and AV control unit
* via CAN communication. Refer to DEF-4, "WITH AV CONTROL UNIT :
System Diagram" or DEF-6, "WITHOUT AV CONTROL UNIT : System Diagram".
NOTE:
*: With BOSE audio system
Component Parts LocationINFOID:0000000003773263
JPMIA1043GB
1. IPDM E/R
A. Engine room (LH)
JPMIA1037ZZ
Page 3400 of 5121
![NISSAN TEANA 2008 Service Manual PCS
POWER CONSUMPTION CONTROL SYSTEM
PCS-9
< FUNCTION DIAGNOSIS >[IPDM E/R]
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POWER CONSUMPTION CONTROL SYSTEM
System DiagramINFOID:0000000003857763
System DescriptionINFOI NISSAN TEANA 2008 Service Manual PCS
POWER CONSUMPTION CONTROL SYSTEM
PCS-9
< FUNCTION DIAGNOSIS >[IPDM E/R]
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POWER CONSUMPTION CONTROL SYSTEM
System DiagramINFOID:0000000003857763
System DescriptionINFOI](/manual-img/5/57391/w960_57391-3399.png)
PCS
POWER CONSUMPTION CONTROL SYSTEM
PCS-9
< FUNCTION DIAGNOSIS >[IPDM E/R]
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System DiagramINFOID:0000000003857763
System DescriptionINFOID:0000000003773265
OUTLINE
IPDM E/R incorporates a power consumption control function that reduces the power consumption accord-
ing to the vehicle status.
IPDM E/R changes its status (control mode) with the sleep wake up signal received from BCM via CAN com-
munication.
Normal mode (wake-up)- CAN communication is normally performed with other control units.
- Individual unit control by IPDM E/R is normally performed.
Low power consumption mode (sleep)- Low power consumption control is active.
- CAN transmission is stopped.
SLEEP MODE ACTIVATION
IPDM E/R judges that the sleep-ready conditions are fulfilled when the ignition switch is OFF and none of the
conditions below are present. Then it transmits a sleep-ready signal (ready) to BCM via CAN communica-
tion.
- Outputting signals to actuators
- Switches or relays operating
- Output requests are being received from control units via CAN communication.
IPDM E/R stops CAN communication and enters the low power consumption mode when it receives a sleep
wake up signal (sleep) from BCM and the sleep-ready conditions are fulfilled.
WAKE-UP OPERATION
IPDM E/R changes from the low power consumption mode to the normal mode when it receives a sleep
wake-up signal (wake up) from BCM or any of the following conditions is fulfilled. In addition, it transmits a
sleep-ready signal (not-ready) to BCM via CAN communication to report the CAN communication start.
- Ignition switch ON
- An output request is received from a control unit via CAN communication.
JPMIA1046GB