NISSAN TIIDA 2007 Service Repair Manual

SEC-26
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
B2190, P1614 NATS ANTENNA AMP.
B2190, P1614 NATS ANTENNA AMP.
DescriptionINFOID:0000000001404060
Performs ID verification through BCM and NATS antenna amplifier when ignition knob switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered ID of mechanical key is used.
DTC LogicINFOID:0000000001404061
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Insert mechanical key into the key cylinder.
2. Press the ignition knob switch.
3. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Refer to XX-XX, "*****".
NO >> INSPECTION END.
Diagnosis ProcedureINFOID:0000000001532029
1.CHECK NATS ANTENNA AMP. INSTALLATION
Check NATS antenna amp. installation. Refer to XX-XX, "*****"
.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Reinstall NATS antenna amp. correctly.
2.CHECK NVIS (NATS) IGNITION KEY ID CHIP
Start engine with another registered NATS ignition key.
Does the engine start?
YES >>  Ignition key ID chip is malfunctioning.
 Replace the ignition key.
 Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual”.
NO >> GO TO 3.
3.CHECK POWER SUPPLY FOR NATS ANTENNA AMP.
1. Turn ignition switch OFF.
2. Check voltage between NATS antenna amp. connector M21 terminal 1 and ground.
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
B2190
NATS ANTENNA
AMP Inactive communication between NATS antenna
amp. and BCM.
 Mechanical key is malfunctioning. Harness or connectors
(The NATS antenna amp. circuit is
open or shorted)
 Mechanical key
 NATS antenna amp.
BCM P1614

B2190, P1614 NATS ANTENNA AMP.
SEC-27
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
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Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace fuse or harness.
4.CHECK NATS ANTENNA AMP. GROUND LINE CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect NATS antenna amp. connector.
3. Check continuity between NATS antenna amp. connector M21 terminal 4 and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace harness.
5.CHECK NATS ANTENNA AMP. SIGNAL LINE- 1
1. Connect NATS antenna amp. connector.
2. Turn ignition switch ON.
3. Check voltage between NATS antenna amp. connector M21 ter-
minal 2 and ground with analog tester.
Is the inspection result normal?
YES >> GO TO 6.
NO >>  Repair or replace harness.
NOTE:
If harness is OK, replace BCM, perform initialization with CONSULT-III. For initialization, refer to
“CONSULT-III Operation Manual”. 1 - Ground : Battery voltage
LIIA1280E
4 - Ground : Continuity should exist.
ALKIA0854ZZ
LIIA1281E
Te r m i n a l s
Position of ignition key cylinderVoltage (V)
(Approx.)
( + ) ( - )
2GroundBefore inserting ignition key Battery voltage
After inserting ignition keyPointer of tester should move for approx. 30 seconds,
then return to battery voltage
Just after turning ignition switch
ONPointer of tester should move for approx. 1 second, then
return to battery voltage

SEC-28
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
B2190, P1614 NATS ANTENNA AMP.
6.CHECK NATS ANTENNA AMP. SIGNAL LINE- 2
Check voltage between NATS antenna amp. connector M21 terminal
3 and ground with analog tester.
Is the inspection result normal?
YES >> NATS antenna amp. is malfunctioning.
NO >>  Repair or replace harness.
NOTE:
If harness is OK, replace BCM, refer to BCS-57, "
Removal and Installation of BCM". Perform ini-
tialization with CONSULT-III. For initialization, refer to “CONSULT-III Operation Manual”.
ALKIA0850ZZ
Te r m i n a l s
Position of ignition key cylinderVoltage (V)
(Approx.)
( + ) ( - )
3GroundBefore inserting ignition key Battery voltage
After inserting ignition keyPointer of tester should move for approx. 30 seconds,
then return to battery voltage
Just after turning ignition switch
ONPointer of tester should move for approx. 1 second, then
return to battery voltage

B2191, P1615 DIFFERENCE OF KEY
SEC-29
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
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B2191, P1615 DIFFERENCE OF KEY
DescriptionINFOID:0000000001404063
Performs ID verification through BCM when ignition knob switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered ID of mechanical key is used.
DTC LogicINFOID:0000000001404064
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Insert mechanical key into the key cylinder.
2. Press the ignition knob switch.
3. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Refer toSEC-29, "Diagnosis Procedure".
NO >> INSPECTION END.
Diagnosis ProcedureINFOID:0000000001404065
1.PERFORM INITIALIZATION
Perform initialization with CONSULT-III. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to CONSULT-III Operation Manual.
Can the system be initialized and can the engine be started with re-registered mechanical key?
YES >> Mechanical key was unregistered.
NO >> BCM is malfunctioning.
 Replace BCM. Refer to XX-XX, "*****"
.
 Perform initialization again
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
B2191
DIFFERENCE OF
KEYThe ID verification results between BCM and me-
chanical key are NG. The registration is necessary.Mechanical key
P1615

SEC-30
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
B2192, P1611 ID DISCORD, IMMU-ECM
B2192, P1611 ID DISCORD, IMMU-ECM
DescriptionINFOID:0000000001404066
BCM performs the ID verification with ECM that allows the engine to start. BCM starts the communication with
ECM if ignition switch is turned ON and starts the engine if the ID is OK. ECM prevents the engine from start-
ing if the ID is not registered.
DTC LogicINFOID:0000000001404067
DTC DETECTION LOGIC
NOTE:
 If DTC B2192 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
SEC-21, "
DTC Logic".
 If DTC B2192 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
SEC-22, "
DTC 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-30, "Diagnosis Procedure".
NO >> INSPECTION END.
Diagnosis ProcedureINFOID:0000000001404068
1.PERFORM INITIALIZATION
Perform initialization with CONSULT-III. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to CONSULT-III Operation Manual.
Can the system be initialized and can the engine be started with re-registered mechanical key?
YES >> ID was unregistered.
NO >> GO TO 2.
2.PEPLACE BCM
1. Replace BCM. Refer to XX-XX, "*****"
.
2. Perform initialization with CONSULT-III. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to CONSULT-III Operation Manual .
Can the system be initialized and can the engine be started with re-registered mechanical key?
YES >> BCM is malfunctioning.
NO >> GO TO 3.
3.PEPLACE ECM
1. Replace ECM. Refer to the following page.
- HR16DE (WITH EUR-OBD): XX-XX, "*****"
- HR16DE (WITHOUT EUR-OBD): XX-XX, "*****"
- MR18DE (WITH EURO-OBD): XX-XX, "*****"
- MR18DE (WITHOUT EURO-OBD): XX-XX, "*****"
-K9K: XX-XX, "*****"
2. Perform initialization with CONSULT-III. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to CONSULT-III Operation Manual.
Can the system be initialized and can the engine be started with re-registered mechanical key?
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
B2192
ID DISCORD BCM-
ECMThe ID verification results between BCM and ECM
are NG. The registration is necessary.BCM
ECM
P1611

B2192, P1611 ID DISCORD, IMMU-ECM
SEC-31
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YES >> ECM is malfunctioning.
NO >> GO TO 4.
4.CHECK INTERMITENT INCIDENT
Refer to GI-55, "
Intermittent Incident".
>> INSPECTION END

SEC-32
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
B2193, P1612 CHAIN OF ECM-IMMU
B2193, P1612 CHAIN OF ECM-IMMU
DescriptionINFOID:0000000001404069
BCM performs the ID verification with ECM that allows the engine to start. BCM starts the communication with
ECM if ignition switch is turned ON and starts the engine if the ID is OK. ECM prevents the engine from start-
ing if the ID is not registered.
DTC LogicINFOID:0000000001404070
DTC DETECTION LOGIC
NOTE:
 If DTC B2193 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
SEC-21, "
DTC Logic".
 If DTC B2193 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
SEC-22, "
DTC 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-32, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000001404071
1.REPLACE BCM
1. Replace BCM. Refer to XX-XX, "*****"
.
2. Perform initialization with CONSULT-III.
For initialization, refer to CONSULT-III Operation Manual.
Does the engine start?
YES >> BCM was malfunctioning.
NO >> ECM is malfunctioning.
 Replace ECM.
 Perform ECM re-communicating function.
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
B2193
CHAIN OF BCM-
ECMInactive communication between ECM and BCM Harness or connectors
(The CAN communication line is
open or short)
BCM
ECM P1612

B2194 ID DISCORD IMMU-I-KEY
SEC-33
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
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B2194 ID DISCORD IMMU-I-KEY
DescriptionINFOID:0000000001404072
BCM performs the ID verification with Intelligent Key unit that allows the engine to start. BCM starts the com-
munication with Intelligent Key unit if ignition switch is turned ON and starts the engine if the ID is OK. BCM
prevents the engine from starting if the ID is not registered.
DTC LogicINFOID:0000000001404073
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-33, "Diagnosis Procedure".
NO >> INSPECTION END.
Diagnosis ProcedureINFOID:0000000001404074
1.PERFORM INITIALIZATION
1. Perform initialization with CONSULT-III. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to CONSULT-III Operation Manual.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> GO TO 2.
NO >> ID was unregistered.
2.REPLACE BCM
1. Turn ignition switch OFF.
2. Replace BCM. Refer to XX-XX, "*****"
.
3. Perform initialization with CONSULT-III. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to CONSULT-III Operation Manual.
Can the system be initialized and can the engine be started?
YES >> BCM is malfunctioning.
NO >> GO TO 3.
3.CHECK INTERMITTENT INCIDENT
Refer to @@@.
>> INSPECTION END
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
B2194DISCORD BCM-I-
KEYThe ID verification results between BCM and Intel-
ligent Key unit are NG. The registration is neces-
sary.BCM
 Intelligent Key unit

SEC-34
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
B2552 INTELLIGENT KEY
B2552 INTELLIGENT KEY
DescriptionINFOID:0000000001404081
Intelligent key unit performs engine start operation and steering lock control by crosschecking ID with the Intel-
ligent key.
DTC LogicINFOID:0000000001404082
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-34, "Diagnosis Procedure".
NO >> INSPECTION END.
Diagnosis ProcedureINFOID:0000000001404083
1.REPLACE INTELLIGENT KEY UNIT
1. Replace Intelligent Key unit.
2. Perform initialization with CONSULT-III. Re-register all mechanical keys. Refer to CONSULT-III Operation
Manual.
3. Start the engine.
Does the engine start?
YES >> INSPECTION END
NO >> Perform “DTC confirmation procedure”. Refer to SEC-34, "
DTC Logic".
Special Repair RequirementINFOID:0000000001404084
1.REQUIRED WORK WHEN REPLACING INTELLIGENT KEY UNIT
Initialize control unit. Refer to CONSULT-III operation manual.
>> Work end.
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
B2552INTELLIGENT KEY
UNITMalfunction is detected inside Intelligent
key unit.Intelligent Key unit

B2590 ID DISCORD BCM-I-KEY
SEC-35
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
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B2590 ID DISCORD BCM-I-KEY
DescriptionINFOID:0000000001404085
Intelligent Key unit performs the ID verification with BCM that allows the engine to start. BCM starts the engine
if the ID is OK and prevents the engine from starting if the ID is not registered.
DTC LogicINFOID:0000000001404086
DTC DETECTION LOGIC
NOTE:
 If DTC B2590 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
SEC-21, "
DTC Logic".
 If DTC B2590 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
SEC-22, "
DTC 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-35, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000001404087
1.PERFORM INITIALIZATION
Perform initialization with CONSULT-III. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to CONSULT-III Operation Manual.
Can the system be initialized and can the engine be started with re-registered mechanical key?
YES >> ID was unregistered.
NO >> BCM is malfunctioning.
 Replace BCM. Refer to BCS-57, "
Removal and Installation of BCM".
 Perform initialization again
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
B2590ID DISCORD BCM-I-
KEYThe ID verification results between BCM and Intel-
ligent Key unit are NG. The registration is neces-
sary.BCM
 Intelligent Key unit