2009 NISSAN TIIDA lock

BL
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WARNING LAMP FUNCTION MALFUNCTION
NOTE:
• Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-115, " Trouble Diagnosis Procedure " .
• If the following “symptoms” are detected, check syst ems shown in the “Diagnosis/service procedure” column
in this order.
OFF position warning
chime/buzzer (for ex-
ternal) does not oper-
ate. Both Intelligent Key
warning chime and
buzzer do not oper-
ate. 1. Check ignition switch position.
BL-1502. Check ignition knob switch.
BL-1293. Check key switch.
BL-1274. Check Intelligent Key warning chime.
BL-1565. Check Intelligent Ke
y warning buzzer(s). BL-142 6. Replace Intelligent Key unit.
BL-158Intelligent Key warn-
ing buzzer does not
operate. Check Intelligent Key warning buzzer(s).
BL-142Take away warning
chime/buzzer (door
open to close) does
not operate. Both Intelligent Key
warning chime and
buzzer do not oper-
ate. 1. Check door switch (hatchback).
BL-1312. Check door switch (sedan).
BL-1343. Check inside key antenna.
BL-1464. Check key switch.
BL-1275. Check Intelligent Key warning chime.
BL-1426. Check Intelligent Ke
y warning buzzer(s). BL-142 7. Replace Intelligent Key unit.
BL-158Intelligent Key warn-
ing buzzer does not
operate. Check Intelligent Key warning buzzer(s).
BL-142Take away warning chime (through window)
does not operate. 1.
Check “TAKE OUT FROM WINDOW WARN” setting in
“WORK SUPPORT”. BL-1172. Check inside key antenna.
BL-1463. Check key switch.
BL-1274. Check Intelligent Key battery.
BL-1585. Check Intelligent Key warning chime.
BL-1566. Replace Intelligent Key unit.
BL-158Door lock operation warning buzzer does not
operate. 1. Check door switch (hatchback).
BL-1312. Check door switch (sedan).
BL-1343. Check ignition knob switch.
BL-1294. Check door request switch.
BL-1355. Check back door request switch (hatchback).
BL-1376. Check trunk opener request switch (sedan).
BL-1387. Check outside key antenna (driver side and passenger side).
BL-1438. Check outside key antenna (rear bumper).
BL-1449. Check inside key antenna.
BL-14610. Check Intelligent Key warning buzzer(s).
BL-14211. Replace Intelligent Key unit.
BL-158One warning buzzer does not operate (se-
dan). Check Intelligent Key warning buzzer(s).
BL-142Symptom Diagnosis/service procedure Reference page

NO DTC IS DETECT
ED>> Inspection End.
CAN COMM [U1000]>> After printing “SELF-DIAGNOSI S RESULTS”, go to “CAN SYSTEM”. Refer to LAN-17, " Trouble Diagnosis Flow Chart " .
CAN COMM2 [U1010] >> Replace Intelligent Key unit. Refer to BL-158, " Removal and Installation of Intelli-
gent Key Unit " .
Power Supply and Ground Circuit Inspection INFOID:00000000043050462. Check Intelligent Key battery.
BL-158 3. Check KEY warning lamp (green).
BL-155 4. Replace Intelligent Key unit.
BL-158P position warning lamp does not illuminate properly.
(With CVT or A/T) 1. Check CVT or A/T device (park position switch).
BL-153 2. Check “P-SHIFT” warning lamp (red).
BL-154 3. Replace Intelligent Key unit.
BL-158LOCK warning lamp does not illuminate properly.
(With M/T) 1. Check key interlock solenoid.
BL-149 2. Check "LOCK" warning lamp.
BL-155 3. Replace Intelligent Key unit.
BL-158Take away warning lamp does not illuminate properly.
(Take away warning chime is operated). 1. Check KEY warning lamp (red).
BL-158 2. Replace Intelligent Key unit.
BL-158Ignition switch warning lamp does not illuminate properly.
(Ignition switch warning chime is operated). 1. Check KEY warning lamp (red).
BL-155 2. Replace Intelligent Key unit.
BL-158CONSULT-III display item DTC code
NO DTC IS DETECTED — CAN COMM U1000
CAN COMM2 U1010

BL-132< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
OK or NG OK >> Door switch circuit is OK.
NG >> GO TO 2 2.
CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM.
3. Check continuity between door switch connector (B) B8 (front LH), B108 (front RH) terminal 2 or (C) B6
(rear LH), B116 (rear RH) terminal 1 or back door lock assembly connector (D) D405 terminal 3 and BCM
connectors (A) M18, M19 terminals 12, 13, 43, 47 and 48.
4. Check continuity between door switch connector (B) B8 (front
LH), B108 (front RH) terminal 2 or (C) B6 (rear LH), B116 (rear
RH) terminal 1 or back door lock assembly connector (D) D405
terminal 3 and ground.
OK or NG OK >> GO TO 3
NG >> Repair or replace harness. 3.
CHECK DOOR SWITCHES
FRONT AND REAR DOORS Connector Item
Terminals
ConditionVoltage (V)
(Approx.)
( + ) ( – )
M18 Front door
switch RH 12
Ground Open
↓
Closed 0
↓
Battery voltage
Rear door
switch RH 13
M19 Back door
switch 43
Front door switch LH 47
Rear door switch LH 48 LIIA1041E
1 - 13 : Continuity should exist.
1 - 48 : Continuity should exist.
2 - 12 : Continuity should exist.
2 - 47 : Continuity should exist.
3 - 43 : Continuity should exist.
1 - Ground : Continuity should not exist.
2 - Ground : Continuity should not exist.
3 - Ground : Continuity should not exist. WIIA1244E

INTELLIGENT KEY SYSTEM
BL-133
< SERVICE INFORMATION >
C
D E
F
G H
J
K L
M A
B BL
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Check continuity between front door switch terminal 2 or rear door
switch terminal 1 and exposed metal of switch while pressing and
releasing switch.
BACK DOOR
Check continuity between back door lock assembly connector (back
door switch) terminals 3 and 4 while pressing (closing back door)
and releasing (opening back door) switch.
OK or NG OK1 >> (Front and rear doors) Switch circuit is OK.
OK2 >> (Back door) GO TO 4
NG >> Replace door switch. 4.
CHECK BACK DOOR SWITCH GROUND
Check continuity between back door lock assembly connector D405
terminal 4 and ground.
OK or NG OK >> GO TO 5
NG >> Repair or replace harness. 5.
CHECK BACK DOOR SWITCH SIGNAL FOR SHORT
1. Disconnect Intelligent Key unit.
2. Check continuity between BCM connector M18 terminal 30 and ground.
OK or NG OK >> Back door switch circuit is OK.
NG >> Repair or replace harness. Door switch is released : Continuity should exist.
Door switch is pushed : Continuity should not exist. PIIB6899E
When back door is open : Continuity should exist.
When back door is closed : Co ntinuity should not exist. WIIA1245E
4 - Ground : Continuity should exist.
WIIA1246E
30 - Ground : Continuity should not exist.
WIIA1299E

BL-140< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM4.
CHECK TRUNK OPENER REQU EST SWITCH GROUND CIRCUIT
Check continuity between trunk opener request switch connector B129 terminal 2 and ground.
OK or NG OK >> GO TO 5
NG >> Repair or replace trunk opener request switch ground
circuit. 5.
CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL
1. Connect Intelligent Key unit connector.
2. Check voltage between Intelligent Key unit connector M52 terminal 29 and ground.
OK or NG OK >> Check the condition of harness and connector.
NG >> Replace Intelligent Key unit. Refer to BL-158, " Removal
and Installation of Intelligent Key Unit " .
Unlock Sensor Check INFOID:00000000043050551.
CHECK UNLOCK SENSOR INPUT SIGNAL
Check voltage between Intelligent Key unit connector and ground.
OK or NG OK >> Unlock sensor circuit is OK.
NG >> GO TO 2 2.
CHECK UNLOCK SENSOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and front door lock actuator LH (door unlock sensor) connector.
3. Check continuity between Intelligent Key unit connec tor (A) terminal 28 and front door lock actuator LH
(door unlock sensor) connector (B) terminal 4.
Trunk opener request
switch connector Terminal
GroundContinuity
B129 2 Yes PIIB6337E
Terminals
Voltage (V)(Approx.)
(+)
(–)
Intelligent Key unit
connector Terminal
M52 29 Ground 5 PIIB6617E
Terminals
Front door
lock
(driver side) condition Voltage (V)
(Approx.)
(+)
(–)
Intelligent Key
unit connector Terminal
M52 28 Ground Locked 5
Unlocked 0 PIIB6638E

BL
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4. Check continuity between Intelligent Key unit connector and
ground.
OK or NG OK >> GO TO 3
NG >> Repair or replace harness between Intelligent Key unit and front door lock actuator LH (door
unlock sensor). OK >> GO TO 4
NG >> Replace unlock sensor. OK >> GO TO 5
NG >> Repair or replace harness.

BL-142< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
OK or NG OK >> Replace front door lock actuator LH (door unlock sen-
sor). Refer to BL-166, " Removal and Installation " .
NG >> Replace Intelligent Key unit. Refer to BL-158, " Removal
and Installation of Intelligent Key Unit " .
Intelligent Key Warning Buzzer(s) Check INFOID:00000000043050561.
CHECK INTELLIGENT KEY WARNING BUZZER POWER SUPPLY CIRCUIT
1. Disconnect inoperative Intelligent Key warning buzzer connector.
2. Check voltage between Intelligent Key warning buzzer connector and ground.
OK or NG OK >> GO TO 2
NG >> Repair or replace Intelligent Key warning buzzer power supply circuit. 2.
CHECK INTELLIGENT KEY WARNING BUZZER CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit c onnector and inoperative Intelligent Key warning buzzer
connector.
3. Check continuity between Intelligent Key unit connector and ground.
OK or NG OK >> GO TO 3
NG >> Repair or replace harness between Intelligent Key unit and Intelligent Key warning buzzer. 3.
CHECK INTELLIGENT KEY WA RNING BUZZER OPERATION
Connect battery power supply to Intelligent Key warning buzzer terminals 1 and 2, and check the operation. Terminals
Voltage (V)(Approx.)
(+)
(–)
Intelligent Key unit
connector Terminal
M52 28 Ground 5 PIIB6638E
Terminals
Voltage (V)(Approx.)
(+)
(–)
Intelligent Key warning buzzer
connector Terminal
Front door LH D6 1 Ground Battery voltage
Trunk (sedan) B32 PIIB6622E
A B
Continuity
Intelligent
Key unit
connector Terminal
Intelligent Key warning
buzzer connector Terminal
M52 4 Front door LH D6
2 Yes
Trunk (sedan) B32
A GroundContinuity
Intelligent Key unit con-
nector Terminal
M52 4 No PIIB6623E

INTELLIGENT KEY SYSTEM
BL-147
< SERVICE INFORMATION >
C
D E
F
G H
J
K L
M A
B BL
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OK or NG OK >> GO TO 3
NG >> Repair or replace harness between Intelligent Key unit and inside key antenna. 3.
CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2
1. Replace inside key antenna. (New antenna or other antenna)
2. Connect Intelligent Key unit and inside key antenna connector.
3. Check signal between Intelligent Key unit connector and ground with oscilloscope.
OK or NG OK >> Replace malfunction inside key antenna.
NG >> Replace Intelligent Key unit.
Steering Lock Solenoid Check INFOID:00000000043050601.
CHECK STEERING LOCK SOLENOID POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect steering lock solenoid connector.
3. Check voltage between steering lock solenoid and ground.
OK or NG OK >> GO TO 2
NG >> Repair or replace steering lock solenoid power supply
circuit. 2.
CHECK STEERING LOCK SOLENOID GROUND CIRCUIT A
GroundContinuity
Intelligent Key unit
connector Terminal
M52 Instrument panel
13
No
14
Front console 15
16
Rear floor 33
34 Terminals
ConditionSignal
(Reference value.)
(+)
(–)
Intelligent Key unit
connector Ter-
minal
M52 Instrument
panel area 13
Ground Any door
is open →
close
Front con-
sole area 15
Rear floor area 33 WIIA1200E
PIIB5502J
Terminals Voltage (V)(Approx.)
(+)
(–)
Steering lock sole-
noid Terminal
M6 1 Ground Battery voltage PIIB6632E