2008 NISSAN TEANA relay

DEF-28
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
REQ SW -RRNOTE:
The item is indicated, but not monitored. Off
REQ SW -RRNOTE:
The item is indicated, but not monitored. Off
REQ SW -BD/TRTrunk lid opener request switch is not pressed Off
Trunk lid opener request switch is pressed On
PUSH SWPush-button ignition switch (push switch) is not pressed Off
Push-button ignition switch (push switch) is pressed On
IGN RLY2 -F/BIgnition switch in OFF or ACC position Off
Ignition switch in ON position On
CLUCH SWNOTE:
The item is indicated, but not monitored. Off
BRAKE SW 1The brake pedal is not depressed On
The brake pedal is depressed Off
DETE/CANCL SWSelector lever in P position Off
Selector lever in any position other than P On
SFT PN/N SWSelector lever in any position other than P and N Off
Selector lever in P or N position On
S/L -LOCKSteering is locked Off
Steering is unlocked On
S/L -UNLOCKSteering is unlocked Off
Steering is locked On
S/L RELAY-F/BIgnition switch in OFF or ACC position Off
Ignition switch in ON position On
UNLK SEN -DRDriver door is unlocked Off
Driver door is locked On
PUSH SW -IPDMPush-button ignition switch (push-switch) is not pressed Off
Push-button ignition switch (push-switch) is pressed On
IGN RLY1 -F/BIgnition switch in OFF or ACC position Off
Ignition switch in ON position On
DETE SW -IPDMSelector lever in P position Off
Selector lever in any position other than P On
SFT PN -IPDMSelector lever in any position other than P and N Off
Selector lever in P or N position On
SFT P -METSelector lever in any position other than P Off
Selector lever in P position On
SFT N -METSelector lever in any position other than N Off
Selector lever in N position On
ENGINE STATEEngine stopped Stop
While the engine stalls Stall
At engine cranking Crank
Engine running Run
S/L LOCK-IPDMSteering is locked Off
Steering is unlocked On Monitor Item Condition Value/Status

BCM (BODY CONTROL MODULE)
DEF-29
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
MA
B
DEF
N
O
P
S/L UNLK-IPDMSteering is unlocked Off
Steering is locked On
S/L RELAY-REQIgnition switch in OFF or ACC position Off
Ignition switch in ON position On
VEH SPEED 1 While driving Equivalent to speedometer reading
VEH SPEED 2 While driving Equivalent to speedometer reading
DOOR STAT-DRDriver door is locked LOCK
Wait with selective UNLOCK operation (5 seconds) READY
Driver door is unlocked UNLOCK
DOOR STAT-ASPassenger door is locked LOCK
Wait with selective UNLOCK operation (5 seconds) READY
Passenger door is unlocked UNLOCK
ID OK FLAGIgnition switch in ACC or ON position Reset
Ignition switch in OFF position Set
PRMT ENG STRTThe engine start is prohibited Reset
The engine start is permitted Set
PRMT RKE STRTNOTE:
The item is indicated, but not monitored. Reset
KEY SW -SLOTThe key is not inserted into key slot Off
The key is inserted into key slot On
RKE OPE COUN1 During the operation of the key Operation frequency of the key
RKE OPE COUN2NOTE:
The item is indicated, but not monitored. —
CONFRM ID ALLThe key ID that the key slot receives does not accord with any key
ID registered to BCM.Ye t
The key ID that the key slot receives accords with any key ID regis-
tered to BCM.Done
CONFIRM ID4The key ID that the key slot receives does not accord with the fourth
key ID registered to BCM.Ye t
The key ID that the key slot receives accords with the fourth key ID
registered to BCM.Done
CONFIRM ID3The key ID that the key slot receives does not accord with the third
key ID registered to BCM.Ye t
The key ID that the key slot receives accords with the third key ID
registered to BCM.Done
CONFIRM ID2The key ID that the key slot receives does not accord with the sec-
ond key ID registered to BCM.Ye t
The key ID that the key slot receives accords with the second key
ID registered to BCM.Done
CONFIRM ID1The key ID that the key slot receives does not accord with the first
key ID registered to BCM.Ye t
The key ID that the key slot receives accords with the first key ID
registered to BCM.Done
TP 4The ID of fourth key is not registered to BCM Yet
The ID of fourth key is registered to BCM Done
TP 3The ID of third key is not registered to BCM Yet
The ID of third key is registered to BCM Done Monitor Item Condition Value/Status

DEF-34
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
39
(BR/W)GroundRear bumper anten-
na (+)OutputWhen the trunk lid
opener request
switch is operat-
ed with ignition
switch OFFWhen Intelligent Key is in
the antenna detection
area
When Intelligent Key is
not in the antenna detec-
tion area
47
(BR/W)GroundIgnition relay (IPDM
E/R) controlOutput Ignition switchOFF or ACC Battery voltage
ON 0 V
50
(W)GroundTrunk room lamp
switchInputTrunk room lamp
switchOFF (When trunk lid clos-
es)
11 . 8 V
ON (When trunk lid
opens)0 V
52
(R)Ground Starter relay control OutputIgnition switch
ONWhen selector lever is in
P or N positionBattery voltage
When selector lever is
not in P or N position0.3 V
Ignition switch OFF 0 V
61
(G/R)GroundTrunk lid request
switchInputTrunk lid request
switchON (Pressed) 0 V
OFF (Not pressed)
1.0 V
64
(GR)GroundRequest switch
buzzerOutputRequest switch
buzzerSounding 0 V
Not sounding Battery voltage Te r m i n a l N o .
(Wire color)Description
ConditionVa l u e
(Approx.)
Signal nameInput/
Output +–
JMKIA0062GB
JMKIA0063GB
JPMIA0011GB
JPMIA0016GB

DEF-38
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
79
(G)GroundRoom antenna 1 (+)
(instrument panel)OutputIgnition switch
OFFWhen Intelligent Key is in
the passenger compart-
ment
When Intelligent Key is
not in the passenger
compartment
80
(G/O)GroundNATS antenna amp
(built in key slot)Input/
OutputDuring waitingIgnition switch is pressed
while inserting the key
into the key slot.Just after pressing ignition
switch. Pointer of tester should
move.
81
(O)GroundNATS antenna amp
(built in key slot)Input/
OutputDuring waitingIgnition switch is pressed
while inserting the key
into the key slot.Just after pressing ignition
switch. Pointer of tester should
move.
82
(R/B)GroundIgnition relay [fuse
block (J/B)] controlOutput Ignition switchOFF or ACC 0 V
ON Battery voltage
83
(L/O)GroundRemote keyless en-
try receiver commu-
nicationInput/
OutputDuring waiting
When operating either button on the key Te r m i n a l N o .
(Wire color)Description
ConditionVa l u e
(Approx.)
Signal nameInput/
Output +–
JMKIA0062GB
JMKIA0063GB
JMKIA0064GB
JMKIA0065GB

BCM (BODY CONTROL MODULE)
DEF-41
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
MA
B
DEF
N
O
P
93
(Y)Ground ON indicator lamp Output Ignition switchOFF (LOCK indicator is
not illuminated)Battery voltage
ON or ACC 0 V
95
(L)Ground ACC relay control Output Ignition switchOFF 0 V
ACC or ON Battery voltage
96
(Y/R)GroundControl device (de-
tention switch) pow-
er supplyOutput — Battery voltage
97
(L/O)GroundSteering lock condi-
tion No. 1Input Steering lockLOCK status 0 V
UNLOCK status Battery voltage
98
(G/R)GroundSteering lock condi-
tion No. 2Input Steering lockLOCK status Battery voltage
UNLOCK status 0 V
99
(G/B)GroundSelector lever P po-
sition switchInput Selector leverP position 0 V
Any position other than P Battery voltage
100
(P/L)GroundPassenger door re-
quest switchInputPassenger door
request switchON (Pressed) 0 V
OFF (Not pressed)
1.0 V
101
(B/W)GroundDriver door request
switchInputDriver door re-
quest switchON (Pressed) 0 V
OFF (Not pressed)
1.0 V
102
(Y)GroundBlower fan motor re-
lay controlOutput Ignition switchOFF or ACC 0 V
ON Battery voltage
103
(L/R)GroundRemote keyless en-
try receiver power
supplyOutput Ignition switch OFF Battery voltage
106
(G/Y)GroundSteering wheel lock
unit power supplyOutput Ignition switchOFF or ACC Battery voltage
ON 0 V Te r m i n a l N o .
(Wire color)Description
ConditionVa l u e
(Approx.)
Signal nameInput/
Output +–
JPMIA0016GB
JPMIA0016GB

DEF-48
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
NOTE:
*: Without BOSE audio system145
(LG/R)GroundCombination switch
OUTPUT 3OutputCombination
switch
(Wiper intermit-
tent dial 4)All switch OFF 0 V
Front wiper switch INT
10.7 V Front wiper switch LO
Lighting switch AUTO
Rear fog lamp switch ON
146
(G/Y)GroundCombination switch
OUTPUT 4OutputCombination
switch
(Wiper intermit-
tent dial 4)All switch OFF 0 V
Front fog lamp switch ON
10.7 V Lighting switch 2ND
Lighting switch PASS
Turn signal switch LH
150
(SB)Ground Driver door switch Input Driver door switchOFF (When driver door
closes)
11 . 8 V
ON (When driver door
opens)0 V
151
(G/R)GroundRear window defog-
ger relayOutputRear window de-
foggerActive 0 V
Not activated Battery voltage Te r m i n a l N o .
(Wire color)Description
ConditionVa l u e
(Approx.)
Signal nameInput/
Output +–
JPMIA0034GB
JPMIA0035GB
JPMIA0011GB

DEF-54
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
Display contents of CONSULT Fail-safe Cancellation
B2013: ID DISCORD BCM-S/L Inhibit engine cranking Erase DTC
B2014: CHAIN OF S/L-BCM Inhibit engine cranking Erase DTC
B2190: NATS ANTENNA AMP Inhibit engine cranking Erase DTC
B2191: DIFFERENCE OF KEY Inhibit engine cranking Erase DTC
B2192: ID DISCORD BCM-ECM Inhibit engine cranking Erase DTC
B2193: CHAIN OF BCM-ECM Inhibit engine cranking Erase DTC
B2557: VEHICLE SPEED Inhibit steering lockWhen normal vehicle speed signals have been received from ABS
actuator and electric unit (control unit) for 500 ms
B2560: STARTER CONT RELAY Inhibit engine cranking500 ms after the following CAN signal communication status has
become consistent
 Starter control relay signal
 Starter relay status signal
B2601: SHIFT POSITION Inhibit steering lock500 ms after the following signal reception status becomes consis-
tent
 Selector lever P position switch signal
 P range signal (CAN)
B2602: SHIFT POSITION Inhibit steering lock5 seconds after the following BCM recognition conditions are ful-
filled
 Ignition switch is in the ON position
 Selector lever P position switch signal: Except P position (battery
voltage)
 Vehicle speed: 4 km/h (2.5 MPH) or more
B2603: SHIFT POSI STATUS Inhibit steering lock500 ms after the following BCM recognition conditions are fulfilled
 Ignition switch is in the ON position
 Selector lever P position switch signal: Except P position (battery
voltage)
 Selector lever P/N position signal: Except P and N positions (0 V)
B2604: PNP SW Inhibit steering lock500 ms after any of the following BCM recognition conditions is ful-
filled
Status 1
- Ignition switch is in the ON position
- Selector lever P/N position signal: P and N position (battery volt-
age)
- P range signal or N range signal (CAN): ON
Status 2
- Ignition switch is in the ON position
- Selector lever P/N position signal: Except P and N positions (0 V)
- P range signal and N range signal (CAN): OFF
B2605: PNP SW Inhibit steering lock500 ms after any of the following BCM recognition conditions is ful-
filled
 Ignition switch is in the ON position
- Power position: IGN
- Selector lever P/N position signal: Except P and N positions (0 V)
- Interlock/PNP switch signal (CAN): OFF
Status 2
- Ignition switch is in the ON position
- Selector lever P/N position signal: P or N position (battery volt-
age)
- PNP switch signal (CAN): ON
B2606: S/L RELAY Inhibit engine cranking500 ms after the following CAN signal communication status has
become consistent
 Steering lock relay signal (Request signal)
 Steering lock relay signal (Condition signal)
B2607: S/L RELAY Inhibit engine cranking500 ms after the following CAN signal communication status has
become consistent
 Steering lock relay signal (Request signal)
 Steering lock relay signal (Condition signal)

BCM (BODY CONTROL MODULE)
DEF-55
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
MA
B
DEF
N
O
PHIGH FLASHER OPERATION
BCM detects the turn signal lamp circuit status by the current value.
BCM increases the turn signal lamp blinking speed if the bulb or harness open is detected with the turn signal
lamp operating.
NOTE:
The blinking speed is normal while activating the hazard warning lamp.
DTC Inspection Priority ChartINFOID:0000000003940043
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
B2608: STARTER RELAY Inhibit engine cranking500 ms after the following signal communication status becomes
consistent
 Starter motor relay control signal
 Starter relay status signal (CAN)
B2609: S/L STATUS Inhibit engine cranking
 Inhibit steering lockWhen the following steering lock conditions agree
 BCM steering lock control status
 Steering lock condition No. 1 signal status
 Steering lock condition No. 2 signal status
B260A: IGNITION RELAY Inhibit engine cranking500 ms after the following conditions are fulfilled
 IGN relay (IPDM E/R) control signal: OFF (Battery voltage)
 Ignition ON signal (CAN to IPDM E/R): OFF (Request signal)
 Ignition ON signal (CAN from IPDM E/R): OFF (Condition signal)
B260F: ENG STATE SIG LOSTMaintains the power supply
position attained at the time
of DTC detectionWhen any of the following conditions is fulfilled
 Power position changes to ACC
 Receives engine status signal (CAN)
B2612: S/L STATUS Inhibit engine cranking
 Inhibit steering lockWhen any of the following conditions is fulfilled
 Steering lock unit status signal (CAN) is received normally
 The BCM steering lock control status matches the steering lock
status recognized by the steering lock unit status signal (CAN
from IPDM E/R)
B2617: STARTER RELAY CIRC Inhibit engine cranking1 second after the starter motor relay control inside BCM becomes
normal
B2618: BCM Inhibit engine cranking1 second after the ignition relay (IPDM E/R) control inside BCM be-
comes normal
B2619: BCM Inhibit engine cranking1 second after the steering lock unit power supply output control in-
side BCM becomes normal
B261E: VEHICLE TYPE Inhibit engine cranking BCM initialization
B26E1: ENG STATE NO RES Inhibit engine crankingWhen any of the following conditions is fulfilled
 Power position changes to ACC
 Receives engine status signal (CAN)
B26E9: S/L STATUS Inhibit engine cranking
 Inhibit steering lockWhen BCM transmits the LOCK request signal to steering lock unit,
and receives LOCK response signal from steering lock unit, the fol-
lowing conditions is fulfilled
 Steering condition No. 1 signal: LOCK (0 V)
 Steering condition No. 2 signal: LOCK (Battery voltage) Display contents of CONSULT Fail-safe Cancellation
Priority DTC
1 B2562: LOW VOLTAGE
2 U1000: CAN COMM CIRCUIT
 U1010: CONTROL UNIT (CAN)
3 B2190: NATS ANTENNA AMP
 B2191: DIFFERENCE OF KEY
 B2192: ID DISCORD BCM-ECM
 B2193: CHAIN OF BCM-ECM