Nissan Sentra Service Manual: 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 auto amp. harness connector.
Is the inspection result normal? Yes (present error)>>check can system type decision again.
Yes (past error)>>error was detected in the main line between the data link connector and the a/c auto amp.
No >> repair the main line between the data link connector and the a/c auto amp.
Main line between ipdm-e and dlc
circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and ...
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 ...
Other materials:
System description
Component parts
CVT CONTROL SYSTEM
CVT CONTROL SYSTEM : Component Parts Location
No.
Component
Function
1
ECM
Mainly transmits the following signal to TCM via CAN
communication.
Engine and CVT integrated control signal
NOTE:
General term for the c ...
Evaporative emission system
EVAPORATIVE EMISSION SYSTEM : System Description
SYSTEM DIAGRAM
INPUT/OUTPUT SIGNAL CHART
Sensor
Input signal to ECM
ECM function
Actuator
Crankshaft position sensor (POS)
Engine speed*
EVAP canister
purge flow control
EVAP canister purge volume
control ...
Basic inspection
Diagnosis and repair work flow
Work flow
OVERALL SEQUENCE
Detailed flow
1.Get information for symptom
Get detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurs)
Check operation condition of the function tha ...
