Nissan Altima 2007-2012 Service Manual: Main line between DLC And ABS Circuit

Diagnosis Procedure

INSPECTION 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 M1

- Harness connector E30

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair the terminal and connector.

2.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1. Disconnect the harness connectors M1 and E30.

2. Check the continuity between the data link connector and the harness connector.

Is the inspection result normal? YES >> GO TO 3.

NO >> Repair the main line between the data link connector and the harness connector M1.

Is the inspection result normal? YES >> GO TO 3.

NO >> Repair the main line between the data link connector and the harness connector M1.

3.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1. Disconnect the connector of ABS actuator and electric unit (control unit).

2. Check the continuity between the harness connector and the ABS actuator and electric unit (control unit) 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 ABS actuator and electric unit (control unit).

NO >> Repair the main line between the harness connector E30 and the ABS actuator and electric unit (control unit).

    Lan system can system (type 2)
    COMPONENT DIAGNOSIS ...

    ECM branch line circuit
    Diagnosis Procedure INSPECTION 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 co ...

    Other materials:

    Air conditioner system refrigerant and oil recommendations
    The air conditioner system in your NISSAN vehicle must be charged with the refrigerant HFC-134a (R-134a) and NISSAN A/C system oil Type S or the exact equivalents. CAUTION The use of any other refrigerant or oil will cause severe damage to the air conditioning system and will require the repl ...

    U1000 can comm circuit
    Description Refer to LAN-7, "System Description". DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1.PERFORM SELF DIAGNOSTIC 1. Turn ignition switch ON and wait for 2 second or more. 2. Check “Self Diagnostic Result”. Is “CAN COMM CIRCUIT” displayed? YES >> ...

    Variable voltage control system
    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 ...