Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: U1ca3-08 Lin Communication 4
DTC Description
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen items (Trouble diagnosis content) | DTC detection condition | |
|---|---|---|---|
| U1CA3-08 |
LIN communication 4 (Local interconnect network communication 4) |
Diagnosis condition | Engine running |
| Signal (terminal) | LIN (heated seat) signal (terminal #45) | ||
| Threshold | A/C amp. is not transmitting or receiving LIN communication with each seat heater | ||
| Diagnosis delay time | 2 seconds or more | ||
POSSIBLE CAUSE
-
Fuse
-
Harness or connectors (seat heater circuit is open or short to ground)
-
Each seat cushion heater
-
A/C amp.
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Start the engine.
-
Select “Self diagnosis result” mode of “HVAC”.
Is DTC detected?
YES>>Refer to DTC Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: Inspection End.
DTC Diagnosis Procedure
CHECK DTC
CONSULT
-
Start the engine.
-
Select “Self diagnosis result” mode of “HVAC”.
-
Check following DTC.
DTC Items
(CONSULT screen terms)Reference U1CA6-02 FRONT SEAT HEATER RH COMMUNICATION DTC Description U1CA7-02 FRONT SEAT HEATER LH COMMUNICATION DTC Description U1CA8-02 REAR SEAT HEATER RH COMMUNICATION DTC Description U1CA9-02 REAR SEAT HEATER LH COMMUNICATION DTC Description
Is DTC detected?
YES>>Perform DTC diagnosis procedure that is detecting.
NO>>Replace A/C amp. Refer to Removal and Installation.
Other materials:
P0103 Maf Sensor
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0103
00
MAF SEN/CIRCUIT-B1
(Mass or volume air flow sensor "A" circuit high)
Diagnosis condition
Turn ignition switch ON
Engine running at idle
...
Informations de base
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