NISSAN TIIDA 2007 Service Repair Manual

SEC-36
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
P1610 LOCK MODE
P1610 LOCK MODE
DescriptionINFOID:0000000001404088
When the starting operation is carried more than five times consecutively under the following conditions, NATS
will shift to the mode which prevents the engine from being started.
 Unregistered mechanical key is used.
 BCM or ECM's malfunctioning.
DTC LogicINFOID:0000000001404089
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Refer to SEC-36, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000001404090
1.CHECK ENGINE START FUNCTION
1. Perform the check for DTC except DTC P1610.
2. Use CONSULT-III to erase DTC after fixing.
3. Check that engine can start with registered mechanical key.
Does the engine start?
YES >> INSPECTION END
NO >> GO TO 2.
2.CHECK INTERMITTENT INCIDENT
Refer to @@@.
>> INSPECTION END
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
P1610 LOCK MODEWhen the starting operation is carried out
five or more times consecutively under the
following conditions.
 Unregistered mechanical key
 BCM or ECM's malfunctioning.—

POWER SUPPLY AND GROUND CIRCUIT
SEC-37
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
SEC
N
O
P
POWER SUPPLY AND GROUND CIRCUIT
INTELLIGENT KEY UNIT
INTELLIGENT KEY UNIT : Diagnosis ProcedureINFOID:0000000001532053
1.CHECK FUSES
Check that the following fuses are not blown.
Are the fuses blown?
YES >> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
NO >> GO TO 2.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit connector.
3. Check voltage between Intelligent Key unit harness connector
M52 terminals 6, 10, 11 and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair harness or connector.
3.CHECK GROUND CIRCUIT
Terminal No. Signal name Fuse No.
11 Battery power supply 31 (10A)
10 Ignition power supply (ACC/ON) 6 (10A)
6 Ignition power supply (ON/START) 2 (10A)
ALKIA0736ZZ
Te r m i n a lIgnition switch position
(+) (−)
OFF ACC ON Intelligent Key unit
Ground Connector Terminal
M5211 Battery voltage Battery voltage Battery voltage
10 0V Battery voltage Battery voltage
6 0V Battery voltage Battery voltage

SEC-38
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
POWER SUPPLY AND GROUND CIRCUIT
Check continuity between Intelligent Key unit harness connector and
ground.
Is the inspection result normal?
YES >> Intelligent Key unit power supply and ground circuit are OK.
NO >> Repair harness or connector.
BCM
BCM : Diagnosis ProcedureINFOID:0000000001532054
Refer to BCS-30, "Diagnosis Procedure".
WIIA1172E
Intelligent Key unit
GroundContinuity
Connector Terminal
M52 12 Yes

KEY SWITCH
SEC-39
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
SEC
N
O
P
KEY SWITCH
DescriptionINFOID:0000000001532049
Key switch detects that mechanical key is inserted into the key cylinder, and then transmits the signal to Intel-
ligent Key unit.
Component Function CheckINFOID:0000000001532050
1.CHECK KEY SWITCH INPUT SIGNAL
Check key switch (“KEY SW”) in “Data Monitor” mode with CONSULT-III. Refer to DLK-50, "
DOOR LOCK :
CONSULT-III Function (BCM - DOOR LOCK)".
Is the inspection result normal?
YES >> Key switch is OK.
NO >> Refer to SEC-39, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001532051
1.CHECK KEY SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit connector.
3. Check voltage between Intelligent Key unit harness connector
and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 2.
2.CHECK KEY SWITCH POWER SUPPLY CIRCUIT
1. Remove mechanical key from key cylinder.
2. Disconnect key switch and ignition knob switch connector.
Monitor item Condition
KEY SWInsert mechanical key into key cylinder : ON
Remove mechanical key from key cylinder : OFF
WIIA1173E
Te r m i n a l s
ConditionVoltage (V)
(Approx.) (+)
(–)
Intelligent Key unit con-
nectorTe r m i n a l
M52 7 GroundInsert mechanical key into key
cylinderBattery voltage
Remove mechanical key from
key cylinder0

SEC-40
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
KEY SWITCH
3. Check voltage between key switch and ignition knob switch con-
nector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK KEY SWITCH SIGNAL CIRCUIT
1. Check continuity between Intelligent Key unit harness connector
(A) M52 terminal 7 and key switch and ignition knob switch con-
nector (B) M32 terminal 1.
2. Check continuity between Intelligent Key unit harness connector (A) M52 terminal 7 and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK KEY SWITCH
Check key switch function.
Refer to SEC-41, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace key switch and ignition knob switch.
5.CHECK INTERMITTENT INCIDENT
ALKIA0768ZZ
Te r m i n a l s
Voltage (V)
(Approx.) (+)
(–)
key switch and ignition knob switch
connectorTe r m i n a l
M32 2 Ground Battery voltage
ALKIA0769ZZ
Intelligent Key unit connector Terminalkey switch and ignition knob
switch connectorTerminal Continuity
M52 7 M32 1 Yes
Intelligent Key unit harness
connectorTerminal Ground Continuity
M52 7 Ground No

KEY SWITCH
SEC-41
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
SEC
N
O
P
Refer to GI-55, "Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000001532052
COMPONENT INSPECTION
1.CHECK KEY SWITCH
Check continuity between key switch and ignition knob switch termi-
nals.
Is the inspection result normal?
YES >> Key switch is OK.
NO >> Replace key cylinder assembly.
PIIA9929E
Te r m i n a l s
Condition Continuity
key switch and ignition knob switch
12Insert mechanical key into key cylinder Yes
Remove mechanical key from key cylinder No

SEC-42
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
IGNITION KNOB SWITCH
IGNITION KNOB SWITCH
DescriptionINFOID:0000000001532055
Ignition knob switch detects that ignition knob is pressed, and then transmits the signal to Intelligent Key unit.
Component Function CheckINFOID:0000000001532056
1.CHECK IGNITION KNOB SWITCH INPUT SIGNAL
Check ignition knob switch (“PUSH SW”) in “Data Monitor” mode with CONSULT-III. Refer to DLK-50, "
DOOR
LOCK : CONSULT-III Function (BCM - DOOR LOCK)".
Is the inspection result normal?
YES >> Ignition knob switch is OK.
NO >> Refer to XX-XX, "*****"
.
Diagnosis ProcedureINFOID:0000000001532057
1.CHECK IGNITION KNOB SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and BCM connectors.
3. Check voltage between Intelligent Key unit harness connector
and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 2.
2.CHECK IGNITION KNOB SWITCH POWER SUPPLY CIRCUIT
1. Disconnect key switch and ignition knob switch connector.
Monitor item Condition
PUSH SWIgnition knob switch is pressed : ON
Ignition knob switch is released : OFF
WIIA1175E
Te r m i n a l s
ConditionVoltage (V)
(Approx.) (+)
(–)
Intelligent Key unit con-
nectorTe r m i n a l
M52 27 GroundIgnition knob switch is pressed Battery voltage
Ignition knob switch is released 0

IGNITION KNOB SWITCH
SEC-43
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
SEC
N
O
P
2. Check voltage between key switch and ignition knob switch har-
ness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK IGNITION KNOB SWITCH SIGNAL CIRCUIT
1. Check continuity between Intelligent Key unit harness connector
(A) M52 terminal 27 and key switch and ignition knob switch
connector (B) M32 terminal 3.
2. Check continuity between Intelligent Key unit connector (A) M52 terminal 27 and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK IGNITION KNOB SWITCH
Check ignition knob switch function.
Refer to XX-XX, "*****"
.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace key switch and ignition knob switch.
5.CHECK INTERMITTENT INCIDENT
Refer to @@@.
ALKIA0770ZZ
Te r m i n a l s
Voltage (V)
(Approx.) (+)
(–)
key switch and ignition knob switch
connectorTe r m i n a l
M52 4 Ground Battery voltage
ALKIA0771ZZ
Intelligent Key unit connector Terminalkey switch and ignition knob
switch connectorTerminal Continuity
M52 27 M32 3 Yes
Intelligent Key unit connector Terminal
GroundContinuity
M52 27 No

SEC-44
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
IGNITION KNOB SWITCH
>> INSPECTION END
Component InspectionINFOID:0000000001532058
1.CHECK IGNITION KNOB SWITCH
1. Turn ignition switch OFF.
2. Check continuity between key switch and ignition knob switch
terminals under the following conditions.
Is the inspection result normal?
YES >> INSPECTION END.
NO >> Replace key switch and ignition knob switch.
PIIA6140E
key switch and ignition knob switch
Condition Continuity
Te r m i n a l s
34Ignition knob switch is pressed Yes
Ignition knob switch is released No

STOP LAMP SWITCH (A/T)
SEC-45
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
SEC
N
O
P
STOP LAMP SWITCH (A/T)
Diagnosis ProcedureINFOID:0000000001532059
1.CHECK STOP LAMP SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit connector.
3. Check voltage between Intelligent Key unit harness connector
M52 terminal 26 and ground.
Is the inspection result normal?
YES >> Stop lamp switch is OK.
NO >> GO TO 2.
2.CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Disconnect stop lamp switch connector.
2. Check voltage between stop lamp switch harness connector
E13 terminal 1 and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness between stop lamp switch
power supply circuit and fuse.
3.CHECK STOP LAMP SWITCH OPERATION
Check continuity between stop lamp switch terminals 1 and 2.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Replace stop lamp switch.
4.CHECK STOP LAMP SWITCH CIRCUIT
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
M52 26 GroundBrake pedal
depressedBattery volt-
age
Brake pedal
released0
WIIA1207E
1 - Ground : Battery voltage
WIIA1255E
Component Terminals Condition Continuity
Stop lamp
switch12Brake pedal depressed Yes
Brake pedal released No
WIIA1256E