2007 NISSAN LATIO key battery

INTELLIGENT KEY SYSTEM
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Revision: June 20062007 Versa
Trouble Diagnosis ProcedureEIS00924
PRELIMINARY CHECK
1. GET SYMPTOMS
Listen to customer concerns. (Get symptoms)
NOTE:
If customer reports a “No start” condition, request all Intelligent Keys to be brought to the dealer in case of
Intelligent Key system malfunction.
Intelligent Key or mechanical key service request>>For further information, refer to CONSULT-II operation
manual.
Malfunctions>>GO TO 2.
2. CHECK BCM CONFIGURATION
Confirm BCM configuration for "I-KEY" is set to "WITH". Refer to BCS-19, "
READ CONFIGURATION PROCE-
DURE" .
OK or NG
OK >> GO TO 3.
NG >> Change BCM configuration for "I-KEY" to "WITH". Refer to BCS-21, "
WRITE CONFIGURATION
PROCEDURE" .
3. START ENGINE WITH INTELLIGENT KEY
Check if the engine could be started by all registered Intelligent Keys.
The engine cannot be started by some Intelligent Keys>>Intelligent Key is low battery or malfunction. Refer
to BL-159, "
INTELLIGENT KEY BATTERY INSPECTION" .
The engine cannot be started by all Intelligent Keys>>GO TO 4.
The engine can be started by all Intelligent Keys>>GO TO 5.
4. CHECK “KEY” WARNING LAMP ILLUMINATION
When pushing the ignition switch, check if “KEY” warning lamp in combination meter illuminates.
KEY warning lamp illuminates green>>GO TO BL-114, "
KEY WARNING LAMP (GREEN) ILLUMINATES" .
KEY warning lamp illuminates red>>GO TO BL-114, "
KEY WARNING LAMP (RED) ILLUMINATES" .
Does not illuminate>>GO TO BL-115, "
KEY WARNING LAMP DOES NOT ILLUMINATE" .
5. START ENGINE WITH MECHANICAL KEY
Check if the engine could be started by all registered mechanical keys.
No start by some mechanical keys>>Register mechanical key. Refer to CONSULT-II operation manual.
Engine starts by mechanical or Intelligent Key>>GO TO BL-116, "
ENGINE START CONDITION CHECK" .
No start by mechanical key or Intelligent Key>>GO TO NATS BL-220, "
WORK FLOW" .
Engine starts with Intelligent Key or mechanical key>>GO TO BL-110, "
WORK FLOW" .
The engine can be started by all mechanical keys>>GO TO 6.
6. PERFORM SELF-DIAGNOSIS
1. Turn ignition switch to ON by carrying the Intelligent Key.
2. Perform self-diagnosis of Intelligent Key system with CONSULT-II.
DTC is displayed>>GO TO B L - 111 , "
SELF-DIAGNOSTIC RESULTS" .
DTC is not displayed>>GO TO BL-115, "
NON DTC ITEM" .

INTELLIGENT KEY SYSTEM
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Revision: June 20062007 Versa
WORK SUPPORT
Monitor item Description
CONFIRM KEY FOB ID It can be checked whether Intelligent Key ID code is registered or not in this mode.
TAKE OUT FROM WINDOW
WAR NTake away warning chime (from window) mode can be changed to operate (ON) or not operate
(OFF) with this mode. The operation mode will be changed when “CHANGE SETT” on CON-
SULT-II screen is touched.
LOW BAT OF KEY FOB WARNIntelligent Key low battery warning mode can be changed to operate (ON) or not operate (OFF)
with this mode. The operation mode will be changed when “CHANGE SETT” on CONSULT-II
screen is touched.
ANSWER BACK FUNCTIONBuzzer reminder function mode by Intelligent button can be changed to operate (ON) or not oper-
ate (OFF) with this mode. The operation mode will be changed when “CHANGE SETT” on CON-
SULT-II screen is touched.
SELECTIVE UNLOCK FUNC-
TIONSelective unlock function mode can be changed to operate (ON) or not operate (OFF) with this
mode. The operation mode will be changed when “CHANGE SETT” on CONSULT-II screen is
touched.
ANTI KEY LOCK IN FUNCTIONKey reminder function mode can be changed to operate (ON) or not operate (OFF) with this
mode. The operation mode will be changed when “CHANGE SETT” on CONSULT-II screen is
touched.
HORN WITH KEYLESS LOCKHorn reminder function mode by Intelligent Key remote control button can be changed to operate
(ON) or not operate (OFF) with this mode. The operation mode will be changed when “CHANGE
SETT” on CONSULT-II screen is touched.
HAZARD ANSWER BACKHazard reminder function mode can be selected from the following with this mode. The operation
mode will be changed when “CHANGE SETT” on CONSULT-II screen is touched.

LOCK ONLY: Door lock operation only

UNLOCK ONLY: Door unlock operation only

LOCK/UNLOCK: Lock/Unlock operation

OFF: Non-operation
ANSWER BACK WITH I-KEY
LOCKBuzzer reminder function (lock operation) mode by door request switch (driver side, passenger
side and back door side) can be selected from the following with this mode. The operation mode
will be changed when “CHANGE SETT” on CONSULT-II screen is touched.

BUZZER: Sound buzzer

OFF: Non-operation
ANSWER BACK WITH I-KEY
UNLOCKBuzzer reminder function (unlock operation) mode by door request switch can be changed to
operate (ON) or not operate (OFF) with this mode.
AUTO RELOCK TIMERAuto door lock timer mode can select the following with this mode.

0.5 minute

OFF: Non-operation
PANIC ALARM DELAYPanic alarm button's pressing time on Intelligent Key remote control button can be selected from
the following with this mode. The operation mode will be changed when “CHANGE SETT” on
CONSULT-II screen is touched.

0.5 second

1.5 second

OFF: Non-operation
P/W DOWN DELAYUnlock button's pressing time on Intelligent Key remote control button can be selected from the
following with this mode. The operation mode will be changed when “CHANGE SETT” on CON-
SULT-II screen is touched.

3 seconds

5 seconds

OFF: Non-operation
ENGINE START BY I-KEYEngine start function mode can be changed to operate (ON) or not operate (OFF) with this mode.
The operation mode will be changed when “CHANGE SETT” on CONSULT-II screen is touched.
LOCK/UNLOCK BY I-KEYDoor lock/unlock function by door request switch (driver side, passenger side and back door side)
mode can be changed to operate (ON) or not operate (OFF) with this mode. The operation mode
will be changed when “CHANGE SETT” on CONSULT-II screen is touched.

BL-116
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
ENGINE START CONDITION CHECK
NOTE:

Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
109, "Trouble Diagnosis Procedure" .

If the following “symptoms” are detected, check systems shown in the ”Diagnoses/service procedure” col-
umn in this order.
ALL FUNCTIONS OF INTELLIGENT KEY SYSTEM DO NOT OPERATE
NOTE:

Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
109, "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 systems shown in the “Diagnosis/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)

“ENGINE START BY I-KEY” and “LOCK/UNLOCK BY I-KEY” are ON when setting on CONSULT-II.

Mechanical key is out of ignition switch.

Ignition switch is not depressed.

All doors are closed.

Intelligent key is registered.
DOOR LOCK/UNLOCK FUNCTION MALFUNCTION
NOTE:

Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
109, "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 systems shown in the “Diagnosis/procedure” column in
this order.
Conditions of Vehicle (Operating Conditions)

“LOCK/UNLOCK BY I-KEY” is ON when setting on CONSULT-II.

Mechanical key is out of ignition switch.

Ignition switch is not depressed.

All doors are closed.

Intelligent Key is registered.
Symptom Diagnosis/service procedure Reference page
Engine start condition check1.Check CVT device (park position switch).
(With CVT)BL-151
2. Check key interlock solenoid (with M/T).BL-147
3. Check stop lamp switch (With CVT).BL-148
4. Check stop lamp switch (with M/T).BL-149
Symptom Diagnosis/service procedure Reference page
All function of Intelligent Key system dose not
operate.1.Check Intelligent Key unit power supply and ground
circuit.BL-123
2. Check Intelligent Key battery inspection.BL-159
3. Replace Intelligent Key unit.BL-160

INTELLIGENT KEY SYSTEM
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Revision: June 20062007 Versa
Symptom Diagnosis/service procedure Reference page
Door lock/unlock do not operate by all request
switch.1. Check door switch.BL-129
2. Check key switch.BL-124
3. Check ignition knob switch.BL-127
4. Replace Intelligent Key unit.BL-160
Door lock/unlock does not operate by request
switch (driver side).1. Check door request switch (driver side).BL-1322. Check outside key antenna (driver side).BL-139
3. Replace Intelligent Key unit.BL-160
Door lock/unlock does not operate by request
switch (passenger side).1. Check door request switch (passenger side).BL-1322. Check outside key antenna (passenger side).BL-139
3. Replace Intelligent Key unit.BL-160
Door lock/unlock does not operate by back door
request switch.1. Check back door request switch.BL-1342. Check outside key antenna (rear bumper).BL-141
3. Replace Intelligent Key unit.BL-160
Auto lock function does not operate.1.Check “AUTO RELOCK TIMER” setting in “WORK
SUPPORT”.BL-113
2. Replace Intelligent Key unit.BL-160
Key reminder function does not operate.1. Check door switch.BL-129
2. Check inside key antenna.BL-143
3. Check unlock sensor.BL-136
4. Check Intelligent Key battery.BL-159
5. Replace Intelligent Key unit.BL-160

BL-118
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
REMOTE KEYLESS ENTRY FUNCTION MALFUNCTION
NOTE:

Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
109, "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 systems shown in the “Diagnosis/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)

Ignition switch is not depressed.

All doors are closed.
Symptom Diagnosis/service procedureReference
page
All of the remote keyless entry functions
do not operate.1. Check Intelligent Key unit power supply and ground circuit.BL-123
2. Check key switch (BCM input).BL-126
3. Check Intelligent Key battery.BL-159
4. Remote Keyless Entry function inspection.BL-159
5. Replace Intelligent Key unit.BL-160
Auto lock function does not operate.1. Check “AUTO RELOCK TIMER” setting in “WORK SUPPORT”.BL-1132. Replace Intelligent Key unit.BL-160
Key reminder function does not operate.1. Check door switch.BL-129
2. Check inside key antenna.BL-143
3. Check unlock sensor.BL-136
4. Check Intelligent Key battery.BL-159
5. Replace Intelligent Key unit.BL-160
Panic alarm function does not operate.1. Check “PANIC ALARM DELAY” setting in “WORK SUPPORT”.BL-113
2. Check Intelligent Key battery inspection.BL-159
3. Check horn function.BL-157
4. Check headlamp function.BL-158
5. Check key switch.BL-124
6. Check ignition knob switch.BL-127
7. Replace Intelligent Key unit.BL-160

INTELLIGENT KEY SYSTEM
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Revision: June 20062007 Versa
Take away warning chime (through window)
does not operate.1.Check “TAKE OUT FROM WINDOW WARN” setting in
“WORK SUPPORT”.BL-113
2. Check inside key antenna.BL-143
3. Check key switch.BL-124
4. Check Intelligent Key battery.BL-159
5. Check Intelligent Key warning chime.BL-156
6. Replace Intelligent Key unit.BL-160
Door lock operation warning buzzer does not
operate.1. Check door switch.BL-129
3. Check ignition knob switch.BL-127
4. Check door request switch.BL-132
5. Check back door request switch.BL-134
6. Check outside key antenna (driver side and passenger side).BL-139
7. Check outside key antenna (rear bumper).BL-141
8. Check inside key antenna.BL-143
9. Check Intelligent Key warning buzzer.BL-138
10 Replace Intelligent Key unit.BL-160
Symptom Diagnosis/service procedure Reference page

BL-122
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
WARNING LAMP FUNCTION MALFUNCTION
NOTE:

Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
109, "Trouble Diagnosis Procedure" .

If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” col-
umn in this order.
CAN Communication System CheckEIS00929
1. CHECK SELF-DIAGNOSTIC RESULTS
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which performs CAN communication.
With CONSULT-II

Connect CONSULT-II, 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 DETECTED>> INSPECTION END
CAN COMM [U1000]>> After printing “SELF-DIAGNOSIS RESULTS”, go to “CAN SYSTEM”. Refer to LAN-
42, "Precautions When Using CONSULT-II" .
CAN COMM2 [U1010]>> Replace Intelligent Key unit.
Symptom Diagnosis/service procedure Reference page
When Intelligent Key low battery warning operate, “KEY”
warning lamp (green) does not illuminate.1.Check “LOW BAT OF KEY FOB WARN” set-
ting in “WORK SUPPORT”.BL-113
2. Check Intelligent Key battery.BL-159
3. Check KEY warning lamp (green).BL-156
4. Replace Intelligent Key unit.BL-160
P position warning lamp does not illuminate properly.
(With CVT)1. Check CVT device (park position switch).BL-1512. Check “P-SHIFT” warning lamp (red).BL-153
3. Replace Intelligent Key unit.BL-160
LOCK warning lamp does not illuminate properly.
(With M/T)1. Check key interlock solenoid.BL-1472. Check "LOCK" warning lamp.BL-154
3. Replace Intelligent Key unit.BL-160
Take away warning lamp does not illuminate properly.
(Take away warning chime is operated).1. Check KEY warning lamp (red).BL-160
2. Replace Intelligent Key unit.BL-160
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-160
CONSULT-II display item DTC code
NO DTC IS DETECTED —
CAN COMM U1000
CAN COMM2 U1010

INTELLIGENT KEY SYSTEM
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Revision: June 20062007 Versa
Power Supply and Ground Circuit CheckEIS0092A
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.
OK or NG
OK >> Power supply and ground circuits are OK.
NG >> Repair or replace the Intelligent Key unit ground circuit.
Te r m i n a l s
Voltage (V)
(Approx.) (+)
(–)
Intelligent Key unit
connectorTe r m i n a l
M52 11 Ground Battery voltage
PIIB6595E
Intelligent Key unit connector Terminal
GroundContinuity
M52 12 Yes
PIIB6596E