2010 NISSAN LATIO key battery

BL-126
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
CAN Communication System Inspection
INFOID:0000000005396612
1.CHECK SELF-DIAGNOSTIC RESULTS
With CONSULT-III• Connect CONSULT-III, and turn ignition switch ON.
• Touch “INTELLIGENT KEY” on “SELECT SYSTEM” screen.
• Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE” screen.
• Check display content in self-diagnostic results.
OK or NG
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 InspectionINFOID:0000000005396613
1.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit connector.
3. Check voltage between Intelligent Key unit harness connector and ground.
OK or NG
OK >> GO TO 2
NG >> Repair or replace Intelligent Key power supply circuit.
2.CHECK GROUND CIRCUIT
Check continuity between Intelligent Key unit harness connector and ground.
LOCK warning lamp does not illuminate properly.
(With M/T) 1. Check key interlock solenoid.
BL-1492. Check "LOCK" warning lamp.BL-155
3. Replace Intelligent Key unit.BL-158
Take 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-158
Ignition 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-158
SymptomDiagnosis/service procedureReference page
CONSULT-III display item DTC code
NO DTC IS DETECTED —
CAN COMM U1000
CAN COMM2 U1010
Te r m i n a l s
Voltage (V)(Approx.)
(+)
(–)
Intelligent Key unit
connector Te r m i n a l
M52 11Ground Battery voltage
PIIB6595E
Revision: January 20102010 Versa

INTELLIGENT KEY SYSTEMBL-127
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
OK or NG
OK >> Power supply and ground circuits are OK.
NG >> Repair or replace the Intelligent Key unit ground circuit.
Key Switch (Intelligent Key Unit Input) CheckINFOID:0000000005396614
1.CHECK KEY SWITCH INPUT SIGNAL
With CONSULT-III
Check key switch (“KEY SW”) in “DATA MONITOR” mode with CONSULT-III.
Without CONSULT-III
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit connector.
3. Check voltage between Intelligent Key unit and ground.
OK or NG
OK >> Key switch circuit is OK.
NG >> GO TO 2
2.CHECK KEY SWITCH POWER SUPPLY CIRCUIT
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 3
NG >> Repair or replace key switch and ignition knob switch power supply circuit.
Intelligent Key unit connector Terminal GroundContinuity
M52 12 Yes
PIIB6596E
Monitor item Condition
KEY SW Insert mechanical key into ignition switch: ON
Remove mechanical key from ignition switch: OFF
Te r m i n a l s
Condition of key switch Voltage (V)
(Approx.)
(+)
(–)
Intelligent Key
unit connector Te r m i n a l
M52 7 Ground Insert mechanical key
into ignition switch
Battery voltage
Remove mechanical
key from ignition switch 0
PIIB6597E
Te r m i n a l s
Voltage (V)(Approx.)
(+)
(–)
Key switch and ig-
nition knob switch
connector Te r m i n a l
M73 2Ground Battery voltage
PIIB6598E
Revision: January 20102010 Versa

BL-128
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
3.CHECK KEY SWITCH
Check continuity of key switch and ignition knob switch.
OK or NG
OK >> GO TO 4
NG >> Replace key cylinder assembly (built-in key switch).
4.CHECK KEY SWITCH CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit and key switch and ignition knob switch.
3. Check continuity between Intelligent Key unit and ground.
OK or NG
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) CheckINFOID:0000000005396615
1.CHECK KEY SWITCH PO WER SUPPLY CIRCUIT
1. Remove mechanical key from ignition switch.
2. Disconnect key switch and ignition 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.
Te r m i n a l Condition of key switch Continuity
Key switch and ignition knob switch
12 Insert mechanical key into
ignition switch Ye s
Remove mechanical key from ignition switch No
PIIB6599E
AB
Continuity
Intelligent Key unit
connector Te r m i n a lKey switch and ig-
nition knob switch
connector Te r m i n a l
M52 7M73 1Yes
A GroundContinuity
Intelligent Key unit connector Terminal
M52 7 No
PIIB6600E
Te r m i n a l s
Voltage (V)(Approx.)
(+)
(–)
Key switch and ig-
nition knob switch
connector Te r m i n a l
M73 2Ground Battery voltage
PIIB6598E
Revision: January 20102010 Versa

BL-130
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
3. Check voltage between Intelligent Key unit and ground.
OK or NG
OK >> Ignition knob switch circuit is OK.
NG >> GO TO 2
2.CHECK IGNITION KNOB SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect key switch and ignition knob switch connector.
3. Check voltage between key switch and ignition knob switch and ground.
OK or NG
OK >> GO TO 3
NG >> Repair or replace key switch and ignition knob switch power supply circuit.
3.CHECK IGNITION KNOB SWITCH
Check continuity of ignition knob switch.
OK or NG
OK >> GO TO 4
NG >> Replace key switch and ignition knob switch.
4.CHECK IGNITION KNOB SWITCH CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connec tor (A) terminal 27 and key switch and ignition knob
switch connector (B) terminal 3.
Te r m i n a l s
Condition of key switch Voltage (V)
(Approx.)
(+)
(–)
Intelligent Key unit
connector Te r m i n a l
M52 27 Ground Ignition switch is
pressed Battery voltage
Ignition switch is released 0
PIIB6602E
Te r m i n a l s
Voltage (V)(Approx.)
(+)
(–)
Key switch and ig-
nition knob switch connector Te r m i n a l
M73 4Ground Battery voltage
PIIB6603E
Te r m i n a l
Condition of key
switch Continuity
Key switch and ignition knob switch
34 Ignition switch is
pressed Ye s
Ignition switch is released No
PIIB6604E
Revision: January 20102010 Versa

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
Check continuity between front door switch terminal 2 or rear door
switch terminal 1 and exposed metal of switch while pressing and
releasing switch.
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
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
Door switch is released : Continuity should exist.
Door switch is pushed : Co ntinuity should not exist.
PIIB6899E
Revision: January 20102010 Versa

BL-134
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
• When doors are closed:Without CONSULT-III
Check voltage between BCM connector M18 or M19 terminals 12, 13, 47, 48 and ground.
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 B8 (F ront LH) or B108 (Front RH) terminal 2, B6 (Rear
LH) or B116 (Rear RH) terminal 1 and BCM connector M18, M19 terminals 12, 13, 47 and 48.
4. Check continuity between door switch connector B8 (Front LH) or B108 (Front RH) terminal 2, B6 (Rear LH) or B116 (Rear RH)
terminal 1 and ground.
OK or NG
OK >> GO TO 3
NG >> Repair or replace harness.
3.CHECK DOOR SWITCHES
Check continuity between door switch terminal and switch case ground. DOOR SW-RL : ON
DOOR SW-RR : ON
DOOR SW-DR : OFF
DOOR SW-AS : OFF
DOOR SW-RL : OFF
DOOR SW-RR : OFF
Connector Item
Te r m i n a l s
ConditionVoltage (V)
(Approx.)
( + ) ( – )
M19 Front door
switch LH 47
Ground Open
↓
Closed 0
↓
Battery voltage
Rear door
switch LH 48
M18 Front door
switch RH 12
Rear door
switch RH 13
LIIA1177E
2 - 47
: Continuity should exist.
2 - 12 : Continuity should exist.
1 - 48 : Continuity should exist.
1 - 13 : Continuity should exist.
2 - Ground : Continuity should not exist.
1 - Ground : Continuity should not exist.
LIIA1350E
Revision: January 20102010 Versa

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) CheckINFOID:0000000005396623
1.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.
Te r m i n a l s
Voltage (V)(Approx.)
(+)
(–)
Intelligent Key unit
connector Te r m i n a l
M52 28Ground 5
PIIB6638E
Te r m i n a l s
Voltage (V)(Approx.)
(+)
(–)
Intelligent Key warning buzzer
connector Te r m i n a l
Front door LH D6 1Ground Battery voltage
Trunk (sedan) B32
PIIB6622E
AB
Continuity
Intelligent
Key unit
connector Te r m i n a l
Intelligent Key warning
buzzer connector Te r m i n a l
M52 4 Front door LH D6
2Yes
Trunk (sedan) B32
A GroundContinuity
Intelligent Key unit con-
nector Terminal
M52 4 No
PIIB6623E
Revision: January 20102010 Versa

INTELLIGENT KEY SYSTEMBL-147
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
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 CheckINFOID:0000000005396627
1.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 Te r m i n a l
M52 Instrument panel
13
No
14
Front console 15
16
Rear floor 33
34
Te r m i n a l s
ConditionSignal
(Reference value.)
(+)
(–)
Intelligent Key unit
connector Te r -
minal
M52 Instrument
panel area 13
Ground Any door
is open →
close
Front con-
sole area 15
Rear floor area 33
WIIA1200E
PIIB5502J
Te r m i n a l s
Voltage (V)(Approx.)
(+)
(–)
Steering lock sole-
noid Te r m i n a l
M6 1Ground Battery voltage
PIIB6632E
Revision: January 20102010 Versa