Nissan Frontier. Instruction — part 251
DLK-50
< DTC/CIRCUIT DIAGNOSIS >
REMOTE KEYLESS ENTRY RECEIVER
Is the inspection result normal?
YES
>> GO TO 2
NO
>> GO TO 4
2.
REMOTE KEYLESS ENTRY RECEIVER 5-VOLT CIRCUIT INSPECTION
Check voltage between remote keyless entry receiver connector
M120 terminal 4 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> GO TO 4
3.
REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT INSPECTION
Check continuity between remote keyless entry receiver connector
M120 terminal 1 and ground.
Is the inspection result normal?
YES
>> Replace remote keyless entry receiver.
NO
>> GO TO 4
4.
HARNESS INSPECTION BETWEEN BCM AND RKE RECEIVER
1. Disconnect remote keyless entry receiver and BCM connectors.
2. Check continuity between BCM connector M18 terminals 18, 19,
20 and remote keyless entry receiver connector M120 terminals
1, 2, 4.
3. Check continuity between remote keyless entry receiver con-
nector M120 terminals 1, 2, 4 and ground.
Is the inspection result normal?
YES
>> Replace remote keyless entry receiver.
NO
>> Repair or replace the harness between the remote keyless entry receiver and BCM.
4 - Ground
: Approx. 5 volt.
PIIB6458E
1 - Ground
: Continuity should exist.
PIIB6460E
1 - 18
: Continuity should exist.
2 - 20
: Continuity should exist.
4 - 19
: Continuity should exist.
1 - Ground
: Continuity should not exist.
2 - Ground
: Continuity should not exist.
4 - Ground
: Continuity should not exist.
WIIA0308E
KEYFOB BATTERY AND FUNCTION
DLK-51
< DTC/CIRCUIT DIAGNOSIS >
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KEYFOB BATTERY AND FUNCTION
Description
INFOID:0000000009478913
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:0000000009478914
NOTE:
The Signal Tech II (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 by pressing the keyfob lock and unlock buttons then monitoring "KEY-
LESS LOCK" and "KEYLESS UNLOCK" in Data Monitor mode "DOOR LOCK" with CONSULT.
Is the inspection result normal?
YES
>> Keyfob is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000009478915
NOTE:
The Signal Tech II (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
>> Keyfob is OK.
NO
>> GO TO 2
2.
CHECK KEYFOB COMPONENTS
Monitor item
Condition
KEYLESS LOCK
LOCK
: ON
UNLOCK
: OFF
KEYLESS UNLOCK
LOCK
: OFF
UNLOCK
: ON
LEL946A
DLK-52
< DTC/CIRCUIT DIAGNOSIS >
KEYFOB BATTERY AND FUNCTION
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 keyfob 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 KEYFOB 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
>> Keyfob battery is OK. Check remote keyless entry
receiver. Refer to
.
NO
>> GO TO 4.
4.
REPLACE KEYFOB BATTERY
1. Replace the keyfob 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 keyfob functions work
properly.
Is the inspection result normal?
YES
>> Keyfob is OK.
NO
>> Check remote keyless entry receiver. Refer to
.
ALKIA1720GB
Standard
: Approx. 2.5 - 3.0V
OCC0607D
ALKIA1721GB
HORN FUNCTION
DLK-53
< DTC/CIRCUIT DIAGNOSIS >
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HORN FUNCTION
Description
INFOID:0000000009478916
Perform answer-back for each operation with horn.
Component Function Check
INFOID:0000000009478917
1.
CHECK FUNCTION
1. Use CONSULT to perform Active Test "MULTIREMOTE ENT".
2. Touch "HORN" to check that it works normally.
Is the operation normal?
YES
>> Inspection End.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000009478918
Regarding Wiring Diagram information, refer to
DLK-98, "Wiring Diagram - King Cab"
1.
CHECK HORN FUNCTION
Check horn function with horn switch
Do the horns sound?
YES
>> GO TO 2
NO
>> Refer to
.
2.
CHECK HORN RELAY POWER SUPPLY
1. Turn ignition switch ON.
2. Perform "HORN" in Active Test mode for "MULTIREMOTE ENT" 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
>> Refer to
GI-42, "Intermittent Incident"
.
NO
>> GO TO 3
3.
CHECK HORN RELAY CIRCUIT
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
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