Nissan Sentra Service Manual: 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. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | Possible cause |
| P1148 | CLOSED LOOP-B1 (CLOSED LOOP-B1) | The closed loop control function does not operate even when vehicle is being driven in the specified condition. |
|
Diagnosis Procedure
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.
Refer to EC-94, "DTC Index".
P1078 EVT Control position sensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1078
EXH TIM SEN/CIRC-B1
(Exhaust val ...
P117A AIR Fuel ratio
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P117A is displayed with other DTC, first perform the trouble
diagnosis for the other DTC. Refer
to EC-94, "DTC Index".
DTC No.
CON ...
Other materials:
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
types of collision. Information necessary to service the system ...
Front disc brake
Exploded View
Cap
Bleeder valve
Cylinder body
Piston seal
Piston
Piston boot
Upper sliding pin
Lower sliding pin
Sliding pin boot
Bushing
Torque member
Apply brake fluid
Apply rubber grease
Disassembly and Assembly
DISASSEMBLY
Place a wooden block as shown, and ...
Main line between dlc and hvac circuit
Diagnosis procedure
1.Check harness continuity (open circuit)
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
Ecm
A/C auto amp.
Check the continuity between the data link connector and the A/C ...
