2006 NISSAN VERSA service

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
HAZARD AND BUZZER REMINDER 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 procedure Reference page
Hazard reminder does not operate by request
switch.
(Buzzer reminder operate).1.Check “HAZARD ANSWER BACK” setting in “WORK
SUPPORT”.BL-113
2. Check hazard function with hazard switch.BL-157
3. Replace Intelligent Key unit.BL-160
Buzzer reminder does
not operate by request
switch.
(Hazard reminder oper-
ates).Intelligent Key
warning buzzer
does not operate.1.Check “ANSER BACK WITH I-KEY LOCK” or “ANSER
BACK WITH I-KEY UNLOCK” setting in “WORK SUP-
PORT”.BL-113
2. Check Intelligent Key warning buzzer.BL-138
3. Replace Intelligent Key unit.BL-160
Hazard reminder does not operate by Intelli-
gent Key (door lock/unlock button).
(Buzzer reminder operate properly).1.Check “HAZARD ANSWER BACK” setting in “WORK
SUPPORT”.BL-113
2. Check hazard function with hazard switch.BL-157
3. Replace Intelligent Key.BL-160
Buzzer reminder does
not operate by Intelligent
Key (door lock/unlock
button).
(Hazard reminder oper-
ates).Intelligent Key
warning buzzer
does not operate.1.Check “HORN WITH KEYLESS LOCK” setting in “WORK
SUPPORT”.BL-113
2. Check Intelligent Key warning buzzer.BL-138
3. Replace Intelligent Key unit.BL-160

BL-120
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
WARNING CHIME/BUZZER 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)
Warning chime/buzzer functions operating condition is extremely complicated, during operating confirmations,
reconfirm the list above twice in order to ensure proper operation.
Symptom Diagnosis/service procedure Reference page
Ignition switch warning chime does not oper-
ate.1. Check ignition knob switch.BL-127
2. Check door switch.BL-129
3. Check key switch.BL-124
4. Check Intelligent Key warning chime.BL-156
5. Replace Intelligent Key unit.BL-160
Ignition key warning chime does not operate.
(When mechanical key used).1. Check key switch (Intelligent Key unit input).BL-124
2. Check key switch (BCM input).BL-126
3. Check door switch.BL-129
4. Check Intelligent Key warning chime.BL-156
5. Replace Intelligent Key unit.BL-160
OFF position warning chime (For internal)
does not operate.1. Check ignition switch position.BL-148
2. Check ignition knob switch.BL-127
3. Check key switch.BL-124
4. Check combination meter warning chime.BL-156
5. Replace Intelligent Key unit.BL-160
OFF position warning
chime/buzzer (for
external) does not
operate.Both Intelligent Key
warning chime and
buzzer do not oper-
ate.1. Check ignition switch position.BL-148
2. Check ignition knob switch.BL-127
3. Check key switch.BL-124
4. Check Intelligent Key warning chime.BL-156
5. Check Intelligent Key warning buzzer.BL-138
6. Replace Intelligent Key unit.BL-160
Intelligent Key
warning buzzer
does not operate.Check Intelligent Key warning buzzer.BL-138
Take away warning
chime/buzzer (door
open to close) does
not operate.Both Intelligent Key
warning chime and
buzzer do not oper-
ate.1. Check door switch.BL-129
2. Check inside key antenna.BL-143
3. Check key switch.BL-124
4. Check Intelligent Key warning chime.BL-138
5. Check Intelligent Key warning buzzer.BL-138
6. Replace Intelligent Key unit.BL-160
Intelligent Key
warning buzzer
does not operate.Check Intelligent Key warning buzzer.BL-138

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

BL-180
BACK DOOR LOCK
Revision: June 20062007 Versa
CONSULT-II APPLICATION ITEMS
Data Monitor
* : With Intelligent Key system
** : Without Intelligent Key system
Active Test
Work FlowEIS009DP
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to BL-176, "
System Description" .
3. Repair or replace any malfunctioning parts. Refer to BL-180, "
Trouble Diagnosis Chart by Symptom" .
4. Does back door opener operate normally? If Yes, GO TO 5. If No, GO TO 3.
5. INSPECTION END
Trouble Diagnosis Chart by SymptomEIS009DQ
BCM Power Supply and Ground CircuitEIS009DR
Refer to BCS-16, "BCM Power Supply and Ground Circuit Check" .
Monitor item Content
IGN ON SW Indicates [ON/OFF] condition of ignition switch.
KEYLESS TRUNK** This is displayed even when it is not equipped.
I-KEY TRUNK* Momentarily indicates [ON/OFF] condition of back door open signal from back door opener switch.
TRNK OPNR SW** Indicates [ON/OFF] condition of back door open signal from back door opener switch.
VEHICLE SPEED This is displayed even when it is not equipped.
Test item Content
TRUNK/BACK DOORThis test is able to check back door lock assembly (actuator) unlock operation.
Actuator opens back door lock assembly when “OPEN” on CONSULT-II screen is touched.
Symptom Diagnoses/service procedureReference
page
Back door opener does not operate.
(Without Intelligent Key or power windows)1. Check BCM power supply and ground circuit.BCS-16
2. Check back door opener switch circuit.BL-181
3. Check back door lock assembly (actuator) circuit.BL-189
4. Replace BCM.BCS-25
Back door opener does not operate.
(Without Intelligent Key, with power windows)1. Check BCM power supply and ground circuit.BCS-162. Check back door opener switch circuit.BL-184
3. Check back door lock assembly (actuator) circuit.BL-189
4. Replace BCM.BCS-25
Back door opener does not operate.
(With Intelligent Key)1. Check BCM power supply and ground circuit.BCS-16
2.Check Intelligent Key power supply and ground cir-
cuit.BL-123
3. Check back door opener switch circuit.BL-187
4. Check back door lock assembly (actuator) circuit.BL-189
5. Replace BCM.BCS-25

NATS (NISSAN ANTI-THEFT SYSTEM)
BL-217
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Revision: June 20062007 Versa
8. Perform each diagnostic test mode according to each service
procedure.
For further information, see the CONSULT-II Operation Manual
NATS.
CONSULT-II DIAGNOSTIC TEST MODE FUNCTION
*: When replace ECM, refer to BL-214, "ECM Re-communicating Function" .
NOTE:

When any initialization is performed, all ID previously registered will be erased and all NATS mechanical
keys must be registered again.

The engine cannot be started with an unregistered key. In this case, the system will show “DIFFERENCE
OF KEY” or “LOCK MODE” as a self-diagnostic result on the CONSULT-II screen.

In rare case, “CHAIN OF ECM-IMMU” might be stored as a self-diagnostic result during key registration
procedure, even if the system is not malfunctioning.
HOW TO READ SELF-DIAGNOSTIC RESULTS
SEL150X
CONSULT-II DIAGNOSTIC TEST
MODEDescription
C/U INITIALIZATIONWhen replacing any of the following components, C/U initialization and re-registration of all
NATS mechanical keys are necessary.
[NATS mechanical key/ BCM/ ECM*]
SELF-DIAG RESULTSDetected items (screen terms) are as shown in the chart.
Refer to BL-218, "
NATS SELF-DIAGNOSTIC RESULTS ITEM CHART" .
PIIA1124E

NATS (NISSAN ANTI-THEFT SYSTEM)
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Revision: June 20062007 Versa
Trouble Diagnosis ProcedureEIS0093W
PRELIMINARY CHECK
1. GET SYMPTOMS
Listen to customer complaints request. (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. START ENGINE WITH INTELLIGENT KEY (IF EQUIPPED)
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 Replacement" .
The engine cannot be started by all Intelligent Keys>>GO TO 3.
The engine can be started by all Intelligent Keys>>GO TO 4.
3. 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" .
4. START ENGINE WITH MECHANICAL KEY
Check if the engine could be started by all registered mechanical keys.
The engine can not be started by some mechanical keys>>Register mechanical key. Refer to CONSULT-II
operation manual.
The engine cannot be started by all mechanical keys>> BL-220, "
WORK FLOW" .
The engine can be started by all mechanical keys>>GO TO 5.
5. 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.
Malfunction is detected>>GO TO B L - 111 , "
SELF-DIAGNOSTIC RESULTS" .
No malfunction is detected>>GO TO BL-110, "
WORK FLOW" .