Operation CHARM: Car repair manuals for everyone.
Home >> Nissan-Datsun >> 2012 >> Sentra L4-2.5L (QR25DE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Component Tests and General Diagnostics >> Main Line Between ABS And DLC Circuit >> CAN
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

CAN




MAIN LINE BETWEEN ABS 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 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)

1.Disconnect the following harness connectors.
-ABS actuator and electric unit (control unit)
-Harness connectors E4 and M2
2.Check the continuity between the ABS actuator and electric unit (control unit) harness connector and the harness connector.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair the main line between the ABS actuator and electric unit (control unit) 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 ABS actuator and electric unit (control unit) and the data link connector.
NO- Repair the main line between the harness connector M2 and the data link connector.
pro multis · About Operation CHARM