Nissan Versa (N17): U12B1 Power supply voltage

Nissan Versa 2nd generation (N17) Service Manual / Driver information & multimedia / Audio, visual & navigation system (AV) / U12B1 Power supply voltage

DTC Logic

DTC DETECTION LOGIC

Diagnosis Procedure

1.CHECK CHARGING SYSTEM

Check the vehicle charging system. Refer to CHG "Work Flow (With EXP-800 NI or GR8-1200 NI)" or CHG "Work Flow (Without EXP-800 NI or GR8-1200 NI)".

Is the inspection result normal?

YES >> Replace the AV control unit. Refer to AV "Removal and Installation".

NO >> Repair or replace the malfunctioning components.

U1310 AV CONTROL UNIT

DTC Logic

CONSULT Display DTC Detection Condition Possible Cause
CONTROL UNIT (AV) [U1310] Error during CAN controller hardware initialization (MCAN). Replace AV control unit if malfunction occurs constantly.

Refer to AV "Removal and Installation".

U12B0 Power supply voltage

DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1.CHECK CHARGING SYSTEM Check the vehicle charging system. Refer to CHG "Work Flow (With EXP-800 NI or GR8-1200 NI)" or CHG-16, " ...

Power supply and ground circuit

AV CONTROL UNIT AV CONTROL UNIT : Diagnosis Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.CHECK FUSE Check that the following fuses are not blown. Are ...

Other materials:

Battery
Keep the battery surface clean and dry. Clean the battery with a solution of baking soda and water. Make certain the terminal connections are clean and securely tightened. If the vehicle is not to be used for 30 days or longer, disconnect the negative (-) battery terminal cable to ...

Primary speed sensor
Exploded View 1. Transaxle assembly 2. O-ring 3. Primary speed sensor Front : Genuine NISSAN CVT Fluid NS-3 Removal and Installation REMOVAL Remove the front LH wheel and tire. Refer to WT "Adjustment". Remove the LH fender protector. Refer to EXT "Removal and Install ...

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