Nissan Sentra B18 (2020-2025) Service Manual: Dtc Diagnosis Procedure
-
CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 1
-
-
Ignition switch ON.
-
Check signal between Intelligent Key unit harness connector and ground using oscilloscope.
(+)
(–)
Condition
Signal
(Reference value)
Intelligent Key unit
Connector
Terminal
M155
31
Ground
When the front door request switch RH is operated with push-button ignition switch ON
When Intelligent Key is in the antenna detection area
When Intelligent Key is not in the antenna detection area
32
When Intelligent Key is in the antenna detection area
When Intelligent Key is not in the antenna detection area
-
Is the inspection result normal?
YES >>Replace Intelligent Key unit. Refer to Removal and Installation.
NO >>GO TO 2.
-
-
CHECK OUTSIDE KEY ANTENNA CIRCUIT
-
-
Ignition switch OFF.
-
Disconnect Intelligent Key unit connector and outside key antenna (rear door RH) connector.
-
Check continuity between Intelligent Key unit harness connector and outside key antenna (rear door RH) connector.
Intelligent Key unit
Outside key antenna (rear door RH)
Continuity
Connector
Terminal
Connector
Terminal
M155
31
D308
2
Yes
32
1
-
Check continuity between Intelligent Key unit harness connector and ground.
Intelligent Key unit
—
Continuity
Connector
Terminal
M155
31
Ground
No
32
-
Is the inspection result normal?
YES >>GO TO 3.
NO >>Repair or replace harness.
-
-
CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 2
-
-
Replace outside key antenna (rear door RH). (New antenna or other antenna)
-
Connect Intelligent Key unit connector and outside key antenna (rear door RH) connector.
-
Ignition switch ON.
-
Check signal between Intelligent Key unit harness connector and ground using oscilloscope.
(+)
(–)
Condition
Signal
(Reference value)
Intelligent Key unit
Connector
Terminal
M155
31
Ground
When the front door request switch RH is operated with push-button ignition switch ON
When Intelligent Key is in the antenna detection area
When Intelligent Key is not in the antenna detection area
32
When Intelligent Key is in the antenna detection area
When Intelligent Key is not in the antenna detection area
-
Is the inspection result normal?
YES >>Replace outside key antenna (rear door RH). Refer to Removal and Installation.
NO >>Replace Intelligent Key unit. Refer to Removal and Installation.
-
Confirmation Procedure
Confirmation
Procedure
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
Select “Self Diagnosis Result” mode of “HANDS FREE
MODULE".
...
Other materials:
List of voice commands
Main Menu
“Call”
“Phonebook”
“Recent Calls”
“Connect Phone”
When you press and release the
button on
the steering wheel, you can choose from the
commands on the Main Menu. The following
pages describe these commands and the commands
in each sub-menu.
Remember to wai ...
Commercial Service Tools
Commercial Service Tools
(TechMate No.)
Tool name
Description
(NI-39565)
Engine Ear
...
Dtc Diagnosis Procedure
DTC Diagnosis
Procedure
Note:
The Signal Tech II Tool [– (NI-50190)] can be used
to perform the following functions: Refer to the Signal Tech II User
Guide for additional information.
Activate and display TPMS sensor IDs
Display tire pressure reported ...
