Nissan Rogue Service Manual: P1148 closed loop control
DTC Description
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
| 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. |
POSSIBLE CAUSE
- Harness or connectors (A/F sensor 1 circuit is open or shorted.)
- A/F sensor 1
- A/F sensor 1 heater
FAIL-SAFE
Not applicable
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-93, "DTC Index".
P1078 EVT control position sensor
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P1078
EXH TIM SEN/CIRC-B1
(EXH TIM SEN/CIRC-B1)
...
P117A air fuel ratio
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P117A
AIR FUEL RATIO B1
(AIR FUEL RATIO B1)
ECM ...
Other materials:
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
WORK FLOW
DETAILED FLOW
1. REVIEW CUSTOMER COMPLAINT
Review customer complaint. Try to obtain detailed information about the
conditions when the symptom occurs.
>> GO TO 2.
2. VERIFY THE SYMPTOM
Verify the symptom by performing an operation ...
Diagnosis system [ABS actuator and electric unit (control
unit)]
CONSULT Function
APPLICATION ITEMS
CONSULT can display each diagnostic item using the diagnostic test modes as
follows.
Mode
Function description
ECU identification
Parts number of ABS actuator and electric unit (control unit) can be
read.
Self Diagnos ...
Using the system
Initialization
When the ignition switch is in the ON position,
NISSAN Voice Recognition is initialized, which
takes a few seconds. When completed, the system
is ready to accept voice commands. If
the button is pressed before the
initialization
completes, the system will announce: “Voice
...
