Nissan Xterra. Manual — part 201
DLK-46
< DTC/CIRCUIT DIAGNOSIS >
KEYFOB BATTERY AND FUNCTION
KEYFOB BATTERY AND FUNCTION
Description
INFOID:0000000009485055
The following functions are available when having and carrying electronic ID.
• Door lock/unlock
• Panic alarm
Remote control entry function and panic alarm function are available when operating the remote buttons.
Component Function Check
INFOID:0000000009485056
NOTE:
The Signal Tech II Tool (J-50190) can be used to test the remote keyless entry keyfob relative signal strength.
Refer to the Signal Tech II User Guide for additional information.
1.
CHECK FUNCTION
With CONSULT
Check remote keyless entry receiver "MULTI REMOTE ENT" in Data Monitor mode with CONSULT. Refer to
BCS-18, "MULTI REMOTE ENT : CONSULT Function (BCM - MULTI REMOTE ENT)"
Is the inspection result normal?
YES
>> Key fob is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000009485057
NOTE:
The Signal Tech II Tool (J-50190) can be used to test the remote keyless entry keyfob relative signal strength.
Refer to the Signal Tech II User Guide for additional information.
1.
CHECK KEYFOB FUNCTION
Check keyfob function using Signal Tech II Tool J-50190 or Remote
Keyless Entry Tester J-43241 (shown).
Does the test pass?
YES
>> Key fob is OK.
NO
>> GO TO 2
2.
CHECK KEY FOB COMPONENTS
Monitor item
Condition
KEYLESS LOCK
Indicates condition of lock signal from keyfob.
KEYLESS UNLOCK
Indicates condition of unlock signal from keyfob.
KEYLESS PANIC
Indicates condition of panic signal from keyfob.
LEL946A
KEYFOB BATTERY AND FUNCTION
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1. Open the lid using a coin.
CAUTION:
• Do not touch the circuit board or battery terminal.
• The keyfob is water-resistant. However, if it does get wet,
immediately wipe it dry.
2. Remove the key fob battery.
CAUTION:
• Keep dirt, grease, and other foreign materials off the elec-
trode contact area.
3. Visually inspect keyfob internal components.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace malfunctioning parts.
3.
CHECK KEY FOB BATTERY
Check by connecting a resistance (approximately 300
Ω) so that the
current value becomes about 10 mA.
Is the measurement value within specification?
YES
>> Key fob battery is OK. Check remote keyless entry
receiver. Refer to
NO
>> GO TO 4
4.
REPLACE KEY FOB BATTERY
1. Replace the key fob battery, positive side down.
2. Align the tips of the upper and lower parts, and then push them
together until it is securely closed.
CAUTION:
• When replacing battery, keep dirt, grease, and other for-
eign materials off the electrode contact area.
3. After replacing the battery, check that all key fob functions work
properly.
Is the inspection result normal?
YES
>> Key fob is OK.
NO
>> Check remote keyless entry receiver. Refer to
ALKIA1720GB
Standard
: Approx. 2.5 - 3.0V
OCC0607D
ALKIA1721GB
DLK-48
< DTC/CIRCUIT DIAGNOSIS >
HORN FUNCTION
HORN FUNCTION
Description
INFOID:0000000009485058
Perform answer-back for each operation with horn.
Component Function Check
INFOID:0000000009485059
1.
CHECK FUNCTION
1. Select "HORN" in “ACTIVE TEST” mode with CONSULT.
2. Check the horn (high/low) operation.
Is the operation normal?
YES
>> Inspection End.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000009485060
Regarding Wiring Diagram information, refer to
.
1.
CHECK HORN FUNCTION
Check horn function with horn switch.
Does the horn sound?
YES
>> GO TO 2
NO
>> Refer to
2.
CHECK HORN RELAY POWER SUPPLY
1. Turn ignition switch ON.
2. Perform “ACTIVE TEST”, "HORN" with CONSULT.
3. Using an oscilloscope or analog voltmeter, check voltage
between IPDM E/R connector E122 terminal 45 and ground.
Is the inspection result normal?
YES
>> Repair harness for open between IPDM E/R and horn relay.
NO
>> GO TO 3
3.
CHECK HORN RELAY CIRCUIT
1. Turn ignition switch OFF.
Test item
Description
HORN
ON
Horn relay
ON (for 20 ms)
WIIA1251E
IPDM E/R
Ground
Test item
Voltage (V)
(Approx.)
Connector
Terminal
E122
45
Ground
HORN
OFF
→ ON → OFF
Battery voltage
→ 0 → Battery voltage
Other than above
Battery voltage
HORN FUNCTION
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2. Disconnect IPDM E/R and horn relay connector.
3. Check continuity between IPDM E/R harness connector and
horn relay harness connector.
4. Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-27, "Removal and Installation"
.
NO
>> Repair or replace the malfunctioning part.
WIIA1252E
IPDM E/R
Horn relay
Continuity
Connector
Terminal
Connector
Terminal
A: E122
45
B: H-1
1
Yes
IPDM E/R
Ground
Continuity
Connector
Terminal
E122
45
Ground
No
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