Nissan Versa (N17): ECM Branch line circuit

Nissan Versa 2nd generation (N17) Service Manual / Electrical & power control / LAN System (LAN) / ECM Branch line circuit

Diagnosis Procedure

1.CHECK CONNECTOR

1. Turn the ignition switch OFF.

2. Disconnect the battery cable from the negative terminal.

3. 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 >> GO TO 2.

NO >> Repair the terminal and connector.

2.CHECK HARNESS FOR OPEN CIRCUIT

1. Disconnect the connector of ECM.

2. Check the resistance between the ECM harness connector terminals.

Is the measurement value within the specification?

YES >> GO TO 3.

NO >> Repair the ECM branch line.

3.CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the ECM. Refer to EC "Diagnosis Procedure".

Is the inspection result normal?

YES (Present error)>>Replace the ECM. Refer to EC "Removal and Installation".

YES (Past error)>>Error was detected in the ECM branch line.

NO >> Repair the power supply and the ground circuit.

Main line between IPDM-E and DLC circuit

Diagnosis Procedure 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the following terminals and connectors for damage, bend ...

ABS Branch line circuit

Diagnosis Procedure 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the ABS actuator and ele ...

Other materials:

Fuel filler cap warning system
FUEL FILLER CAP WARNING SYSTEM : System Diagram FUEL FILLER CAP WARNING SYSTEM : System Description INPUT/OUTPUT SIGNAL CHART Input Unit/Sensor Input signal to ECM ECM function EVAP control system pressure sensor Pressure in purge line Fuel filler cap warning cont ...

U1117 Lost communication (ABS)
DTC Logic DTC DETECTION LOGIC DTC Trouble diagnosis name DTC detection condition Possible causes U1117 Lost Communication With ABS When the ignition switch is ON, TCM is unable to receive the CAN communications signal from ABS actuator control unit cont ...

Categories


© 2017-2025 Copyright www.niveguide.com
0.0063