Check that vehicle is under the condition shown in "Conditions of vehicle" before starting diagnosis, and check each symptom.
NOTE: The engine start function, door lock function, power distribution system, and NATS-IVIS/NVIS in the Intelligent Key system are closely related to each other regarding control. The vehicle security function can operate only when the door lock and power distribution system are operating normally.
Conditions of Vehicle (Operating Conditions)
1.PERFORM WORK SUPPORT
Perform "INSIDE ANT DIAGNOSIS" on Work Support of "INTELLIGENT KEY".
Refer to BCS "INTELLIGENT KEY : CONSULT Function (BCM - INTELLIGENT KEY)".
>> GO TO 2.
2.PERFORM SELF-DIAGNOSIS RESULT
Perform Self-Diagnosis Result of "BCM".
Is DTC detected?
YES >> Refer to BCS "DTC Index".
NO >> GO TO 3.
3.CHECK PUSH-BUTTON IGNITION SWITCH
Check push-button ignition switch.
Refer to PCS "Component Function Check".
Is the operation normal?
YES >> GO TO 4.
NO >> Repair or replace malfunctioning parts.
4.CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection normal?
YES >> Check intermittent incident. Refer to GI "Intermittent Incident".
NO >> GO TO 1.
REMOVAL AND INSTALLATION
BCM (BODY CONTROL MODULE)
Removal and Installation
For removal and installation of the BCM (Body Control Module), refer to BCS "Removal and Installation" (WITH INTELLIGENT KEY SYSTEM) or BCS "Removal and Installation" (WITHOUT INTELLIGENT KEY SYSTEM).

Removal and Installation REMOVAL 1. Remove NATS antenna amp. Refer to SEC "Removal and Installation". 2. Release the push-button ignition switch pawls and remove the push-button igniti ...
P2858 Clutch B pressure
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P2858
Clutch B pressure engagement
performance
The auxiliary gearbox gear ratio is 2.232 or
more for the auxiliary gearbox 2GR ratio continuously
for 5 seconds ...
Secondary speed sensor
Exploded View
1. Transaxle assembly 2. O-ring 3. Secondary 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 fender protector (LH). Refer to EXT "Removal and
...