Bcm NISSAN TIIDA 2009 Service User Guide

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CONTENTS
BODY, LOCK & SECURITY SYSTEM
SERVICE INFORMATION .. ..........................4
PRECAUTIONS .............................................. .....4
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
4
Precaution Necessary fo r Steering Wheel Rota-
tion After Battery Disconnect ............................... ......
4
Precaution for Procedure without Cowl Top Cover ......5
Precaution for Work ............................................ ......5
PREPARATION .............................................. .....6
Special Service Tool ........................................... ......6
Commercial Service Tool .................................... ......6
SQUEAK AND RATTLE TROUBLE DIAG-
NOSES ........................ ........................................7
Work Flow ........................................................... ......7
Generic Squeak and Rattle Troubleshooting ...... ......9
Diagnostic Worksheet ......................................... ....11
HOOD ............................................................. ....13
Fitting Adjustment ............................................... ....13
Removal and Installation .........................................14
Removal and Installation of Hood Lock Control .. ....15
Hood Lock Control Inspec tion .................................17
RADIATOR CORE SUPPORT ....................... ....19
Removal and Installation .........................................19
FRONT FENDER ............................................ ....21
Removal and Installation .........................................21
POWER DOOR LOCK SYSTEM .................... ....22
Component Parts and Harness Connector Loca-
tion ...................................................................... ....
22
System Description ............................................. ....23
CAN Communication System Description ........... ....25
Schematic ........................................................... ....26
Wiring Diagram - D/LOCK - ................................. ....27
Schematic ........................................................... ....31
Wiring Diagram - D/LOCK - ................................. ....32 Terminal and Reference
Value for BCM ..................37
Work Flow ............................................................ ....41
CONSULT-III Function (B CM) .................................41
Trouble Diagnosis Symptom Chart ...................... ....43
BCM Power Supply and Ground Circuit Inspection ....43
Door Switch Check (Hatchback) .......................... ....44
Door Switch Check (Sedan) ................................ ....47
Key Switch (Insert) Check ................................... ....48
Door Lock and Unlock Switch Check .................. ....49
Front Door Lock Assembly LH (Actuator) Check .....52
Door Lock Actuator Check (Front RH and Rear
LH/RH) ................................................................. ....
53
Front Door Key Cylinder S witch LH Check ..............54
Passenger Select Unlock Relay Circuit Inspection
(With Intelligent Key) ........................................... ....
55
REMOTE KEYLESS ENTRY SYSTEM ............. 58
Component Parts and Harness Connector Loca-
tion ....................................................................... ....
58
System Description .............................................. ....58
CAN Communication System Description ........... ....60
Schematic ............................................................ ....61
Wiring Diagram - KEYLES - ................................ ....62
Terminal and Reference Value for BCM ..................65
How to Perform Trouble Diagnosis ...................... ....69
Preliminary Check ............................................... ....69
CONSULT-III Function (B CM) .................................69
Work Flow ............................................................ ....71
Trouble Diagnosis Symptom Chart ...................... ....71
Keyfob Battery and Function Check .................... ....72
ACC Switch Check .............................................. ....74
Door Switch Check (Hatchback) .......................... ....74
Door Switch Check (Sedan) ................................ ....76
Key Switch (Insert) Check ................................... ....78
Hazard Function Check ....................................... ....78
Horn Function Check ........................................... ....79
Interior Lamp and Ignition Keyhole Illumination
Function Check .................................................... ....
79
Remote Keyless Entry Rece iver Check ...................80
Keyfob Function (Lock) Check ............................ ....82

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Check Trunk Lid Opener S
witch Circuit (With Intel-
ligent Key) ........................................................... ..
212
Check Trunk Release Solenoid Circuit ............... ..214
FUEL FILLER LID OPENER .......................... ..217
Removal and Installation of Fuel Filler Lid Opener ..217
VEHICLE SECURITY (THEFT WARNING)
SYSTEM ......................................................... ..
218
Component Parts and Harness Connector Loca-
tion ...................................................................... ..
218
System Description ............................................. ..219
CAN Communication System Description ........... ..221
Schematic ........................................................... ..222
Wiring Diagram - VEHSEC - ............................... ..223
Terminal and Reference Value for BCM ............. ..227
Terminal and Re ference Value for Intelligent Key
Unit ...................................................................... ..
231
CONSULT-III Function (BCM) ............................. ..233
Trouble Diagnosis ............................................... ..235
Preliminary Check ............................................... ..235
Symptom Chart ................................................... ..237
Diagnosis Procedure 1 ........................................ ..238
Diagnosis Procedure 2 ........................................ ..241
Diagnosis Procedure 3 ........................................ ..242
Diagnosis Procedure 4 ........................................ ..242
Diagnosis Procedure 5 ........................................ ..242
Diagnosis Procedure 6 ........................................ ..242
Diagnosis Procedure 7 ........................................ ..242
Diagnosis Procedure 8 ........................................ ..244
Diagnosis Procedure 9 ........................................ ..245 NATS (Nissan Anti-Theft System) ................
248
Component Parts and Harness Connector Loca-
tion ....................................................................... ..
248
System Description .............................................. ..248
System Composition ............................................ ..249
ECM Re-communicating Function ....................... ..249
Wiring Diagram - NATS - ..................................... ..251
Terminal and Reference Value for BCM ................252
CONSULT-III Function ........................................ ..256
Trouble Diagnosis Procedure .............................. ..257
Trouble Diagnosis ................................................ ..259
Diagnosis Procedure 1 ........................................ ..260
Diagnosis Procedure 2 ........................................ ..262
Diagnosis Procedure 3 ........................................ ..263
Diagnosis Procedure 4 ........................................ ..264
Diagnosis Procedure 5 ........................................ ..265
Diagnosis Procedure 6 ........................................ ..266
How to Replace NATS Antenna Amp .................. ..266
BODY REPAIR ................................................ 267
Body Exterior Paint Color .................................... ..267
Body Component Parts ....................................... ..269
Corrosion Protection ............................................ ..274
Body Sealing ....................................................... ..278
Body Construction ............................................... ..284
Body Alignment ................................................... ..286
Handling Precaution for Plastics .......................... ..303
Precaution in Repairing High Strength Steel ....... ..307
Foam Repair ........................................................ ..310
Replacement Operation ....................................... ..313

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System Description
INFOID:0000000004304987
Power is supplied at all times
• through 40A fusible link (letter g , located in the fuse and fusible link box)
• to BCM terminal 70
• through 10A fuse [No. 8, located in the fuse block (J/B)]
• to BCM terminal 57
• through 10A fuse [No. 14, located in the fuse block (J/B)]
• to key switch terminal 2 (without Intelligent Key system)
• through 10A fuse [No. 31, located in the fuse block (J/B)]
• to key switch and ignition knob switch terminals 2 and 4 (with Intelligent Key system).
When key switch is ON (key is inserted in ignition key cylinder), power is supplied
• through key switch terminal 1 (without Intelligent Key system) or key switch and ignition knob terminal 1 (with Intelligent Key system)
• to BCM terminal 37.
Ground is supplied
• to BCM terminal 67
• through body grounds M57 and M61.
LOCK OPERATION When the door is locked with main power window and door lock/unlock switch, ground is supplied
• to BCM terminal 45
• through main power window and door lock and unlock switch terminals 17 and 18
• through body grounds M57 and M61.
When the door is locked with power window and door lock/unlock switch RH, ground is supplied
• to BCM terminal 45
• through power window and door lock and unlock switch RH terminals 1 and 3
• through body grounds M57 and M61.
When the door is locked with front door ke y cylinder switch LH, ground is supplied
• to BCM terminal 8
• through front door key cylinder switch LH terminals 1 and 2
• through body grounds M57 and M61.
UNLOCK OPERATION When the door is unlocked with main power window and door lock/unlock switch, ground is supplied
• to BCM terminal 46
• through main power window and door lock/unlock switch terminals 6 and 17
• through body grounds M57 and M61.
When the door is unlocked with power window and door lock/unlock switch RH, ground is supplied
• to BCM terminal 46
• through power window and door lock and unlock switch RH terminals 2 and 3
• through body grounds M57 and M61.
When the door is unlocked with front door ke y cylinder switch LH, ground is supplied
• to BCM terminal 7
• through front door key cylinder switch LH terminals 2 and 3
• through body grounds M57 and M61.
When the front door switch LH is ON (door is OPEN), ground is supplied
• to BCM terminal 47
• through front door switch LH terminal 2
• through front door switch LH case ground.
When the front door switch RH is ON (door is OPEN), ground is supplied
• to BCM terminal 12
• through front door switch RH terminal 2
• through front door switch RH case ground. 10. Key switch and key lock solenoid M27
(without Intelligent key) 11. Main power window and door lock/un-
lock switch D7, D8
Power window and door lock/unlock
switch RH D105 12. Fuse block (with Intelligent Key)
(view with instrument panel LH re-
moved)
13. Passenger select unlock relay M2 (with Intelligent Key) 14. Back door lock assembly (back door
switch) D405 (hatchback view with back
door open) 15. Combination meter M24

41, " CONSULT-III Function (BCM) " .
Without CONSULT- III
The automatic door locks (LOCK) function can be swit ched ON/OFF by performing the following operation.
1. Close all doors (door switch OFF).
2. Turn ignition switch ON.
3. Within 20 seconds of turning the ignition switch ON, press and hold the door lock and unlock switch to the LOCK position for more than 5 seconds.
4. The switching is completed when the hazard lamps blink.
5. The ignition switch must be turned OFF and ON again between each setting change. OFF
→ ON : 2 blinks
ON → OFF : 1 blink

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AUTOMATIC DOOR LOCKS (UNLOCK OPERATION)
The automatic door locks (UNLOCK) f unction is the function that unlocks all doors linked with the key position.
IGN OFF Interlo ck Door Unlock*1
For vehicles equipped with Intelligent Key system, all doors are unlocked when the power supply position is
changed from ON to OFF.
For vehicles not equipped with Intelligent Key system , all doors are unlocked when the mechanical key is
removed from the ignition key cylinder.
BCM outputs the unlock signal to all door lock actuator s when it detects that the power supply position is
changed from ignition switch ON to OFF (with Intelligent Key) or when the mechanical key is removed from the
ignition key cylinder (without Intelligent Key).
Setting change of Automatic Door Locks (UNLOCK) Function
The lock operation setting of the aut omatic door locks function can be changed.
With CONSULT-III
The ON/OFF switching of the automatic door locks (UNL OCK) function and the type selection of the automatic
door locks (UNLOCK) function can be performed at the WORK SUPPORT setting of CONSULT-III. Refer to
BL-41, " CONSULT-III Function (BCM) " .
Without CONSULT- III
The automatic door locks (UNLOCK) function can be sw itched ON/OFF by performing the following operation.
1. Close all doors (door switch OFF).
2. Turn ignition switch ON.
3. Within 20 seconds of turning the ignition switch ON, press and hold the door lock and unlock switch to the UNLOCK position for more than 5 seconds.
4. The switching is completed when the hazard lamps blink.
5. The ignition switch must be turned OFF and ON again between each setting change.
*1: This function is set to ON before delivery.
CAN Communication System Description INFOID:0000000004304988
Refer to LAN-8 .
OFF
→ ON : 2 blinks
ON → OFF : 1 blink

POWER DOOR LOCK SYSTEM
BL-37
< SERVICE INFORMATION >
C
D E
F
G H
J
K L
M A
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Terminal and Reference Value for BCM
INFOID:0000000004679057
Terminal Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition
2 BR Combination switch
input 5 Input ONLighting, turn, wiper OFF
Wiper dial position 4
3 GR Combination switch
input 4 Input ONLighting, turn, wiper OFF
Wiper dial position 4
4 L Combination switch
input 3 Input ONLighting, turn, wiper OFF
Wiper dial position 4
5 G Combination switch
input 2
Input ONLighting, turn, wiper OFF
Wiper dial position 4
6 V Combination switch
input 1
7 7
BRFront door key cylin-
der switch LH (unlock) Input
OFFON (open, 2nd turn) Momentary 1.5V
OFF (closed) 0V
8 7
YFront door key cylin-
der switch LH (lock) InputOn (open) Momentary 1.5V
OFF (closed) 0V
9 W Rear window defogger
switch Input ONRear window defogger switch
ON 0V
Rear window defogger switch
OFF 5V
11 L Ignition switch (ACC
or ON) InputACC or
ON Ignition switch ACC or ON Battery voltage
12 SB Front door switch RH Input OFF ON (open) 0V
OFF (closed) Battery voltage
13 GR Rear door switch RH Input OFF ON (open) 0V
OFF (closed) Battery voltage
15 W Tire pressure warning
check connector Input OFF — 5V SKIA5291E
SKIA5292E
SKIA5291E
SKIA5292E

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1: With Intelligent Key
2: Without Intelligent Key
3: Hatchback without Intelligent Key
4: Sedan without Intelligent Key
5: Hatchback
6: Sedan
7: With power door locks
8: With power windows
Work Flow INFOID:0000000004304994
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to BL-23, " System Description " .
3. According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to BL-119," Trouble Diagnosis Symptom Chart " .
4. Does power door lock system operate normally? OK: GO TO 5, NG: GO TO 3.
5. Inspection End.
CONSULT-III Function (BCM) INFOID:0000000004304995
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following. 65
7
SBAll door lock actuators
(lock) Output OFFOFF (neutral) 0V
ON (lock) Battery voltage
66 7
GFront door lock actua-
tor RH, rear door lock
actuators LH/RH (un-
lock) Output OFFOFF (neutral) 0V
ON (unlock) Battery voltage
67 B Ground Input ON — 0V
68 8
LPower window power
supply (RAP) Output —Ignition switch ON Battery voltage
Within 45 seconds after igni-
tion switch OFF Battery voltage
More than 45 seconds after ig-
nition switch OFF 0V
When front door LH or RH is
open or power window timer
operates 0V
69 8
P Battery power supply
OutputOFF
— Battery voltage
70 Y Battery power supply Input OFF — Battery voltage
Terminal
Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition

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*: With Remote Keyless Entry system
**: With Intelligent Key system
ACTIVE TEST
Trouble Diagnosis Symptom Chart INFOID:0000000004304996
BCM Power Supply and Gr ound Circuit Inspection INFOID:0000000004678560OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate caus e of malfunction before installing new fuse. Refer to PG-3, " Schematic " .
Test item Content
ALL LOCK This test is able to check all door lock actuators lock operation. These actuators lock when "ON"
on CONSULT–III screen is touched.
ALL UNLOCK This test is able to check all door lock actuators unlock operation. These actuators unlock when
"ON" on CONSULT–III screen is touched.
DR UNLOCK This test is able to check front door lock actuator LH unlock operation.These actuators lock
when "ON" on CONSULT– III screen is touched.
OTHER UNLOCK This test is able to check door lock actuators (except front door lock actuator LH) unlock oper-
ation. These actuators unlock when "ON" on CONSULT–III screen is touched. Symptom Repair order Refer to page
Key reminder door function does not operate properly. 1. BCM power supply and ground circuit check
BCS-15 2. Door switch check (hatchback)
BL-44 3. Door switch check (sedan)
BL-47 4. Key switch (insert) check
BL-48 5. Replace BCM.
BCS-18Power door lock does not operate with door lock and un-
lock switch on main power window and door lock/unlock
switch or power window and door lock/unlock switch RH 1. Door lock/unlock switch check
BL-49 2. Replace BCM.
BCS-18One or both rear door lock actuators do not operate. 1. Passenger select unlock relay circuit check
BL-55Front door lock assembly LH (actuator) does not operate. 1. Front door lock assembly LH (actuator) check
BL-52Specific door lock actuator does not operate. 1. Door lock actuator check (Front RH, Rear LH/RH)
BL-53Power door lock does not operate with front door key cyl-
inder switch operation. 1. Front door key cylinder switch check
BL-54 2. Replace BCM.
BCS-18All power door locks do not operate.
1. BCM power supply and ground circuit check
BCS-15 2. Door lock/unlock switch check
BL-49 3. Replace BCM.
BCS-18Vehicle speed sensing auto door LOCK operation does
not operate. 1. Ensure automatic door lock/unlock function (lock
operation) is enabled. BL-41 2. Check combination meter vehicle speed signal.
DI-15 3. Check intermittent incident.
GI-22Ignition OFF interlock auto door UNLOCK function does
not operate. 1. Ensure automatic door lock/unlock function (unlock
operation) is enabled. BL-41 2. Check BCM for DTCs.
BCS-17 3. Check intermittent incident.
GI-22

BL-44< SERVICE INFORMATION >
POWER DOOR LOCK SYSTEM2.
CHECK BCM POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check voltage between BCM connectors and ground.
OK or NG OK >> GO TO 3.
NG >> Repair or replace the harness. 3.
CHECK GROUND CIRCUIT
Check continuity between BCM connector M20 terminal 67 and
ground.
OK or NG OK >> Power supply and ground circuit is OK.
NG >> Repair or replace harness.
Door Switch Check (Hatchback) INFOID:00000000043049981.
CHECK DOOR SWITCHES INPUT SIGNAL
With CONSULT-III
Check door switches ("DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL", "DOOR SW-RR", "BACK DOOR
SW") in DATA MONITOR mode with CONSULT–III. Refer to BL-41, " CONSULT-III Function (BCM) " .
• When doors are open:
• When doors are closed: Connector
Terminals
Power
source Condition Voltage (V) (Ap-
prox.)
(+) (-)
M18 11 Ground
ACC
power
supply Ignition
switch
ACC or ON Battery voltage
38 Ground Ignition
power
supply Ignition
switch ON
or START Battery voltage
M20 57 Ground
Battery
power
supply Ignition
switch OFF Battery voltage
70 Ground Battery
power
supply Ignition
switch OFF Battery voltage LIIA2415E
67 - Ground : Continuity should exist.
LIIA0915E
DOOR SW-DR : ON
DOOR SW-AS : ON
DOOR SW-RL : ON
DOOR SW-RR : ON
BACK DOOR SW : ON
DOOR SW-DR : OFF
DOOR SW-AS : OFF

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Without CONSULT-III
Check voltage between BCM connector M18 or M19 terminals 12, 13, 43, 47, 48 and ground.
OK or NG OK >> Door switch circuit is OK.
NG >> GO TO 2 OK >> GO TO 3
NG >> Repair or replace harness.