Nissan Versa (N17): 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:
Security systems (if so equipped)
Your vehicle has one type of security systems:
NISSAN Vehicle Immobilizer System
NISSAN vehicle immobilizer system
The NISSAN Vehicle Immobilizer System will not
allow the engine to start without the use of a
registered key.
If the engine fails to start using a registered key
(for ex ...
Variable voltage control system (if so equipped)
CAUTION
Do not ground accessories directly to
the battery terminal. Doing so will bypass
the variable voltage control system
and the vehicle battery may not
charge completely.
Use electrical accessories with the engine
running to avoid discharging the
vehicle battery.
Your v ...
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