Nissan Sentra Service Manual: ECU diagnosis information
A/C AUTO AMP
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
*:With manual A/C
ECM, IPDM E/R, BCM
List of ECU Reference
System description
COMPONENT PARTS
Component Part Location
ECM
IPDM E/R
BCM (view with combination meter
removed)
A/C auto amp. (view with A/C switch
assembly removed)
A/C switch assembly
A/C ...
Wiring diagram
Manual air conditioning system
Wiring Diagram
Manual heater system
Wiring Diagram
...
Other materials:
Steering column covers
Removal and Installation
REMOVAL
Remove the steering column cover screws (A), then remove the
steering column upper (1) and lower (2) covers.
NOTE:
Shown with steering wheel removed for clarity.
If necessary, rotate steering wheel to access steering column
cover screws (A).
...
Ecm branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the ecm for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
YES > ...
Basic inspection
Diagnosis and repair workflow
Work flow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW FOR MALFUNCTION
Find out what the customer's concerns are.
>> GO TO 2.
2.SYMPTOM CHECK
Verify the symptom from the customer's information.
>> GO TO 3.
3.BASIC INSPECTION
Check the operat ...
