Nissan Sentra Service Manual: 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 loose connection (connector side and harness side).
- Harness connector E4
- Harness connector M2
Is the inspection result normal? Yes >> go to 2.
No >> repair the terminal and connector.
2.Check harness continuity (open circuit)
- Disconnect the following harness connectors.
- Ipdm e/r
- Harness connectors e4 and m2
- Check the continuity between the ipdm e/r harness connector and the harness connector.
Is the inspection result normal? Yes >> go to 3.
No >> repair the main line between the ipdm e/r and the harness connector e4.
3.Check harness continuity (open circuit)
Check the continuity between the harness connector and the data link 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 ipdm e/r and the data link connector.
No >> repair the main line between the harness connector m2 and the data link connector.
Can system (type 1)
Dtc/circuit diagnosis ...
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:
Vehicle Dynamic Control (VDC) off switch
The vehicle should be driven with the Vehicle
Dynamic Control (VDC) system on for most driving
conditions.
If the vehicle is stuck in mud or snow, the VDC
system reduces the engine output to reduce
wheel spin. The engine speed will be reduced
even if the accelerator is depressed to the f ...
P0128 Thermostat function
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0128 is displayed with DTC P0300, P0301, P0302, P0303 or P0304,
first perform the trouble
diagnosis for P0300, P0301, P0302, P0303 or P0304. Refer to EC-269, "DTC Logic".
Engine coolant temperature has not risen enough to open the thermost ...
Squeak and rattle trouble diagnoses
Work Flow
Customer interview
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the diagnostic
worksheet during the interview to document the facts and conditions when the
noise occurs and any
customer's comments; refer to rf-37, "d ...
