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:

Hood
1. Pull the hood lock release handle 1 located below the instrument panel until the hood springs up slightly. 2. Locate the lever 2 in between the hood and grille and push the lever sideways with your fingertips. 3. Raise the hood 3 . 4. Remove the support rod and insert it into the ...

Starting the engine (models without NISSAN Intelligent Key system)
1. Apply the parking brake. 2. Automatic Transmission / CVT models: Move the shift lever to P (Park) or N (Neutral). P (Park) is recommended. The shift lever cannot be moved out of P (Park) and into any of the other gear positions if the ignition key is turned to the OFF position or if ...

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