Nissan Murano: Dtc/circuit Diagnosis / U1a10 Airbag Signal
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | |
|---|---|---|---|
| U1A10 |
AIRBAG SIGNAL (Airbag signal) |
Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) | Car crash information signal | ||
| Threshold | Abnormality | ||
| Diagnosis delay time | 1 second or more | ||
POSSIBLE CAUSE
CAN communication system
FAIL-SAFE
-
Some telematics system does not function
-
Inform a NissanConnect center about abnormality
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Ignition switch ON.
-
Select “Self Diagnostic Result” mode of “TELEMATICS”.
-
Check DTC.
Is DTC U1A10 detected?
YES>>Proceed to DTC Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: Inspection End.
PERFORM SELF DIAGNOSTIC RESULT OF AIR BAG
CONSULT
-
Ignition switch ON.
-
Erase DTC.
-
Select “Self Diagnostic Result” mode of “AIR BAG”.
-
Check DTC.
Are any DTCs detected?
YES>>Refer to DTC Index.
NO>>GO TO 2.
PERFORM SELF DIAGNOSTIC RESULT OF TELEMATICS
CONSULT
-
Ignition switch ON.
-
Erase DTC.
-
Select “Self Diagnostic Result” mode of “TELEMATICS”.
-
Check DTC.
Is DTC U1A10 detected?
YES>>Replace TCU. Refer to Removal and Installation.
NO>>Refer to Intermittent Incident.
U1a0e Sos Switch on Stuck
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
U1A0E
SOS SWITCH ON STUCK
(SOS switch ON stuck)
Diagnosis condition
When ignition switch is ON...
Power Supply and Ground Circuit
Diagnosis Procedure
CHECK FUSE
Check that the following fuses are not blown:
Terminal No. Signal name Fuse No. Capacity
1
Battery power supply
25
10 A
2
ACC power supply
7
10 A
10
Ignition signal
29
10 A
Are the fuses blown?
YES>>
Replace the blown fuse after repairing the affected circuit...
Other information:
Nissan Murano (Z52) 2015-2024 Owners Manual: System malfunction
If the I-FCW system malfunctions, it will be turned off automatically, a chime will sound, the AEB system warning light (orange) will illuminate and the warning message [Malfunction] will appear in the vehicle information display. Action to take If the warning light (orange) comes on, stop the vehicle in a safe location, turn the engine off and restart the engine...
Nissan Murano (Z52) 2015-2024 Service Manual: C1a01-A2 Power Supply Cir
DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detection condition C1A01-A2 POWER SUPPLY CIR (Power supply circuit) Diagnosis condition When engine is running When MAIN switch of ICC system is ON Signal (terminal) Battery power supply Threshold The battery voltage sent to ADAS control unit remains less than 7...
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