Removal and Installation
NOTE:
REMOVAL
1. Disconnect the battery negative terminal. Refer to PG "Removal and Installation".
2. Remove the instrument lower panel LH. Refer to IP "Removal and Installation".
3. Remove the NATS antenna amp bolt (A).
4. Disconnect the harness connector (1) from the NATS antenna amp. (2) and remove.

INSTALLATION
Installation is in the reverse order of removal.
Nissan vehicle immobilizer systemnats
symptomsSymptom Table NOTE: Before performing the diagnosis in the following table, check "SEC "Work Flow"". Check that vehicle is under the condition shown in "Conditions of vehicle" ...
P1148 closed loop control
DTC Logic
DTC DETECTION LOGIC
NOTE:
DTC P1148 is displayed with DTC for A/F sensor 1.
When the DTC is detected, perform the trouble diagnosis of DTC corresponding to
A/F sensor 1.
DTC No.
Trouble diagnosis
(Trouble diagnosis content)
DTC detecting condition
Possible cause ...
Gear oil
Inspection
OIL LEAKAGE
Make sure that gear oil is not leaking from transaxle or around it.
OIL LEVEL
Remove filler plug (1) and gasket from transaxle case.
Check the oil level from filler plug hole as shown. CAUTION:
Do not start engine while checking oil level.
Install a new gas ...