Page 585 of 4331

115, " Trouble Diagnosis Procedure " .
• Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• If the following “symptoms” are detected, check syst ems shown in the “Diagnosis/service procedure” column
in this order.
Conditions of Vehicle (Operating Conditions)
Warning chime/buzzer functions operating condition is ex tremely complicated, during operating confirmations,
reconfirm the list above twice in order to ensure proper operation. Buzzer reminder does
not operate by request
switch.
(Hazard reminder oper-
ates). Intelligent Key
warning buzzer
does not operate. 1. Check “ANSER BACK WITH I-KEY LOCK” or “ANSER
BACK WITH I-KEY UNLOCK” setting in “WORK SUP-
PORT”. BL-1172. Check Intelligent Key warning buzzer(s).
BL-1423. Replace Intelligent Key unit.
BL-158Hazard reminder does not operate by Intelli-
gent Key (door lock/unlock button).
(Buzzer reminder operates properly). 1. Check “HAZARD ANSWER BACK” setting in “WORK
SUPPORT”. BL-1172. Check hazard function with hazard switch.
BL-1563. Replace Intelligent Key.
BL-158Buzzer reminder does
not operate by Intelligent
Key (door lock/unlock
button).
(Hazard reminder oper-
ates). Intelligent Key
warning buzzer
does not operate. 1. Check “HORN WITH KEYLESS LOCK” setting in “WORK
SUPPORT”. BL-1172. Check Intelligent Key warning buzzer(s).
BL-1423. Replace Intelligent Key unit.
BL-158Symptom Diagnosis/service procedure Reference page
Symptom Diagnosis/service procedure Reference page
Ignition switch warning chime does not oper-
ate. 1. Check ignition knob switch.
BL-1292. Check door switch (hatchback).
BL-1313. Check door switch (sedan).
BL-1344. Check key switch.
BL-1275. Check Intelligent Key warning chime.
BL-1566. Replace Intelligent Key unit.
BL-158Ignition key warning chime does not operate.
(When mechanical key used). 1. Check key switch (Intelligent Key unit input).
BL-1272. Check key switch (BCM input).
BL-1283. Check door switch (hatchback).
BL-1314. Check door switch (sedan).
BL-1345. Check Intelligent Key warning chime.
BL-1566. Replace Intelligent Key unit.
BL-158OFF position warning chime (For internal)
does not operate. 1. Check ignition switch position.
BL-1502. Check ignition knob switch.
BL-1293. Check key switch.
BL-1274. Check combination meter warning chime.
BL-1565. Replace Intelligent Key unit.
BL-158
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BL
N
O P
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
Page 587 of 4331
![NISSAN TIIDA 2009 Service Repair Manual 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] >> NISSAN TIIDA 2009 Service Repair Manual 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] >>](/manual-img/5/57398/w960_57398-586.png)
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
Page 588 of 4331
BL
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OK or NG OK >> GO TO 2
NG >> Repair or replace Intelligent Key power supply circuit. OK >> Power supply and ground circuits are OK.
NG >> Repair or replace the Intelligent Key unit ground circuit.
Key Switch (Intelligent Key Unit Input) Check INFOID:0000000004305047OK >> Key switch circuit is OK.
NG >> GO TO 2 Terminals
Condition of key switch Voltage (V)
(Approx.)
(+)
(–)
Intelligent Key
unit connector Terminal
M52 7 Ground Insert mechanical key
into ignition switch Battery voltage
Remove mechanical
key from ignition switch 0
Page 589 of 4331
OK >> GO TO 3
NG >> Repair or replace key switch and ignition knob switch power supply circuit. OK >> GO TO 4
NG >> Replace key cylinder assembly (built-in key switch). OK >> Check the condition of harness and harness connector.
NG >> Repair or replace harness between Intelligent Key unit and key switch and ignition knob switch.
Key Switch (BCM Input) Check INFOID:0000000004305048
Page 590 of 4331

INTELLIGENT KEY SYSTEM
BL-129
< SERVICE INFORMATION >
C
D E
F
G H
J
K L
M A
B BL
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1. Remove mechanical key from ignition switch.
2. Disconnect key switch and i gnition knob switch connector.
3. Check voltage between key switch and ignition knob switch and
ground.
OK or NG OK >> GO TO 2
NG >> Check harness between key switch and ignition knob switch and fuse. 2.
CHECK KEY SWITCH OPERATION
Check continuity of key switch and ignition knob switch.
OK or NG OK >> GO TO 3
NG >> Replace key cylinder assembly (built-in key switch). 3.
CHECK KEY SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM connector (A) M18 terminal 37 and key switch and ignition knob switch
connector (B) terminal 1.
3. Check continuity between BCM connector (A) M18 terminal 37 and ground.
OK or NG OK >> Key switch (BCM input) circuit is OK.
NG >> Repair or replace harness between key switch and ignition knob switch and BCM.
Ignition Knob Switch Check INFOID:00000000043050491.
CHECK IGNITION KNOB SWITCH INPUT SIGNAL
With CONSULT-III Terminals
Voltage (V)(Approx.)
(+)
(–)
Key switch and ig-
nition knob switch
connector Terminal
M73 2 Ground Battery voltage PIIB6598E
Terminal
Condition of key switch Continuity
Key switch and ignition knob switch
1 2 Insert mechanical key into
ignition switch Yes
Remove mechanical key from ignition switch No PIIB6599E
A B
Continuity
BCM connector Terminal Key switch and ig-
nition knob switch connector Terminal
M18 37 M73 1 Yes
A GroundContinuity
BCM connector Terminal
M18 37 No PIIB6601E
Page 591 of 4331
OK >> Ignition knob switch circuit is OK.
NG >> GO TO 2 OK >> GO TO 3
NG >> Repair or replace key switch and ignition knob switch power supply circuit. OK >> GO TO 4
NG >> Replace key switch and ignition knob switch. Monitor item Condition
PUSH SW Ignition switch is pressed: ON
Ignition switch is released: OFF Terminals
Condition of key switch Voltage (V)
(Approx.)
(+)
(–)
Intelligent Key unit
connector Terminal
M52 27 Ground Ignition switch is
pressed Battery voltage
Ignition switch is released 0
Page 592 of 4331
BL
N
O P OK >> Check the condition of harness and harness connector.
NG >> Repair or replace harness between Intelligent Key unit and key switch and ignition knob switch.
Door Switch Check (Hatchback) INFOID:0000000004305050CONSULT-III Function (BCM) " .
• When doors are open:
• When doors are closed:
Without CONSULT-III
Check voltage between BCM connector M18 or M19 terminals 12, 13, 43, 47, 48 and ground.
A B
Continuity
Intelligent Key unit
connector TerminalKey switch and ig-
nition knob switch
connector Terminal
M52 27 M73 3 Yes
A GroundContinuity
Intelligent Key unit connector Terminal
M52 27 No