NISSAN LATIO 2009 Service Repair Manual

CAN Com-
munication Inspection Using CONSULT-III (Self-Diagnosis) " .
SYMPTOM
Displayed “SELF-DIAG
RESULTS” on CON- SULT-III screen. DIAGNOSTIC PROCE-
DURE
(Reference page) SYSTEM
(Malfunctioning part or mode)
• Security indicator lighting up*
• Engine cannot be started CHAIN OF ECM-IMMU
[P1612] PROCEDURE 1
(BL-260 )
In rare case, “CHAIN OF ECM-IMMU” might be stored
during key registration procedure, even if the system is
not malfunctioning.
Open circuit in battery voltage line of BCM circuit
Open circuit in ignition line of BCM circuit
Open circuit in ground line of BCM circuit
Open or short circuit between BCM and ECM commu-
nication line
ECM
BCM
DIFFERENCE OF KEY [P1615] PROCEDURE 6
(BL-266 )
Unregistered ignition key is used.
BCM is malfunctioning.
CHAIN OF IMMU-KEY [P1614] PROCEDURE 2
(BL-262 )
Malfunction of key ID chip
Communication line between ANT/ AMP and BCM:
Open circuit or short circuit of battery voltage line or
ground line
Open circuit in power source line of ANT/ AMP circuit
Open circuit in ground line of ANT/ AMP circuit
NATS antenna amp.
BCM
ID DISCORD, IMM- ECM
[P1611] PROCEDURE 3
(BL-263 )
System initialization has not yet been completed.
ECM
LOCK MODE [P1610] PROCEDURE 5
(BL-265 )
When the starting operation is carried out five or more
times consecutively under the following conditions,
NATS will shift the mode to one which prevents the en-
gine from being started.
• Unregistered ignition key is used.
• BCM or ECM’s malfunctioning.
Security indicator
lighting up* DON'T ERASE BE-
FORE CHECKING ENG DIAG WORK FLOW
(BL-257 )
Engine trouble data and NATS trouble data have been
detected in ECM SYMPTOM
DIAGNOSTIC PROCEDURE
(Reference page) SYSTEM
(Malfunctioning part or mode)
Security indicator does not light up*. PROCEDURE 4
(BL-264 )
Security indictor.
Open circuit between Fuse and BCM
BCM

BL
N
O P “ CHAIN OF ECM-IMMU ” displayed?
Yes >> GO TO 2
No >> GO TO BL-259, " Trouble Diagnosis " .
OK >> GO TO 3
NG >> Check the following. • 40A fusible link (letter g , located in the fuse and fus-
ible link box).
• 10A fuse [No.8, located in the fuse block (J/B)].
• Harness for open or short between fusible link and BCM.
• Harness for open or short between fuse and BCM. OK >> GO TO 4
NG >> Check the following. • 10A fuse [No. 6, located in the fuse block (J/B)].
• Harness for open or short between fuse and BCM. OK >> GO TO 5
NG >> Repair or replace harness. BCM connector
Terminals
Voltage [V]
(Approx.)
(+) (–)
M20 57
Ground Battery voltage
70

Removal and Installation of BCM " .
2. Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual NATS”.
Does the engine start? Yes >> BCM is malfunctioning.
• Replace BCM. Refer to BCS-18, " Removal and Installation of BCM " .
• Perform initialization with CONSULT-III
• For initialization, refer to “CONSULT-III Operation Manual NATS”
No >> ECM is malfunctioning. • Replace ECM.
• Perform initialization or re-communicating function
• For initialization, refer to “CONSULT-III Operation Manual NATS”
• For re-communicating function, refer to BL-249, " ECM Re-communicating Function "
“ CHAIN OF IMMU-KEY ” displayed?
Yes >> GO TO 2
No >> GO TO BL-259, " Trouble Diagnosis " .
How to Replace NATS Antenna Amp " .
OK or NG OK >> GO TO 3
NG >> Reinstall NATS antenna amp. correctly. Yes >> Ignition key ID chip is malfunctioning.
• Replace the ignition key
• Perform initialization with CONSULT-III For initialization, refer to “CONSULT-III Operation Manual NATS”
No >> GO TO 4 OK >> GO TO 5
NG >> Check the following. • 20A fuse [No. 53, located in IPDM E/R]
• Harness for open or short between fuse and NATS
antenna amp.

BL
N
O P
OK or NG OK >> GO TO 6
NG >> • Check harness for open or shor t between NATS antenna amp. and BCM.
NOTE:
If harness is OK, replace BCM, perform initializat ion with CONSULT-III. For initialization, refer to
“CONSULT-III Operation Manual NATS”. OK >> GO TO 7
NG >> • Check harness for open or shor t between NATS antenna amp. and BCM.
NOTE:
If harness is OK, replace BCM, perform initializat ion with CONSULT-III. For initialization, refer to
“CONSULT-III Operation Manual. OK >> NATS antenna amp. is malfunctioning, reinstall antenna
or replace it.
NG >> Repair or replace NATS antenna amp. ground circuit.
Diagnosis Procedure 3 INFOID:0000000004305146
Self-diagnostic results:
“ID DISCORD, IMM-ECM” disp layed on CONSULT-III screen

“ ID DISCORD IMM-ECM ” displayed?
Yes >> GO TO 2
No >> GO TO BL-259, " Trouble Diagnosis " .
Yes >> • Start engine. (END)
• (System initialization had not been completed.)
No >> ECM is malfunctioning. • Replace ECM.
• Perform initialization with CONSULT-III For initialization, refer to “CONSULT-III Operation Manual NATS”
Diagnosis Procedure 4 INFOID:0000000004305147
“COMBINATION METER (SECURITY) DOES NOT LIGHT UP” OK >> GO TO 2
NG >> Replace fuse. OK >> Inspection End.
NG >> GO TO 3 OK >> GO TO 4
NG >> Check harness for open or short between fuse and com- bination meter (security).

BL
N
O P
OK or NG OK >> BCM is malfunctioning.
• Replace BCM. Refer to BCS-18, " Removal and Instal-
lation of BCM " .
• Perform initialization with CONSULT-III
• For initialization, refer to “CONSULT-III Operation
Manual.
NG >> Check the following. • Harness for open or short between combination meter (security) and BCM
• Indicator lamp condition
Diagnosis Procedure 5 INFOID:0000000004305148
Self-diagnostic results:
“LOCK MODE” displayed on CONSULT-III screen“ LOCK MODE ” displayed?
Yes >> GO TO 2
No >> GO TO BL-259, " Trouble Diagnosis " .
Yes >> System is OK (Now system
is escaped from “LOCK MODE”).
No >> GO TO 3 Yes >> System is OK.
No >> GO TO 4 Yes >> System is OK. (BCM is malfunctioning.)
No >> ECM is malfunctioning. • Replace ECM.
• Perform initialization with CONSULT-III
• For initialization, refer to “CONSULT-III Operation Manual NATS”
BCM connector
Terminal
Voltage [V]
(Approx.)
(+) (-)
M18 23 Ground Battery voltage

“ DIFFERENCE OF KEY ” displayed?
YES >> GO TO 2
NO >> GO TO BL-259, " Trouble Diagnosis " .
YES >> • Ignition key ID was unregistered.
NO >> • BCM is malfunctioning.
• Replace BCM. Refer to BCS-18, " Removal and Installation of BCM " .
• Perform initialization with CONSULT-III.
• For initialization, refer to CONSULT-III Operation Manual.
How to Replace NATS Antenna Amp INFOID:0000000004305150
NOTE:
• If NATS antenna amp. is not installed correctly, NATS system
will not operate properly and SELF-DIAG RESULTS on CON-
SULT-III screen will show “LOCK MODE” or “CHAIN OF IMMU-
KEY”.
• Initialization is not necessary only when NATS antenna amp.
is replaced with a new one.

BL
N
O P
BODY REPAIR
Body Exterior Paint Color INFOID:0000000004305151
Hatchback
M: Metallic; 2S: 2-Coat Solid, 2P: 2-Coat Pearl; 3P: 3-Coat Pearl; G01-1: Material color; G02-1: Material color

BL
N
O P
Body Component Parts
INFOID:0000000004305152
UNDERBODY COMPONENT PARTS
1. Upper dash assembly
2. Lower dash assembly
3. Lower dash crossmember