Nissan Altima 2007-2012 Service Manual: ABS 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 terminals and connectors of the ABS actuator and electric unit (control unit) 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 ABS actuator and electric unit (control unit).
2. Check the resistance between the ABS actuator and electric unit (control unit) harness connector terminals.
Is the measurement value within the specification? YES >> GO TO 3.
NO >> Repair the ABS actuator and electric unit (control unit) branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ABS actuator and electric unit (control unit). Refer to the following.
• Models with ABS: BRC-41, "Wiring Diagram - Coupe" or BRC-46, "Wiring Diagram - Sedan" • Models with TCS: BRC-109, "Wiring Diagram - Coupe" or BRC-115, "Wiring Diagram - Sedan" • Models with VDC: BRC-207, "Wiring Diagram - Coupe" or BRC-215, "Wiring Diagram - Sedan" Is the inspection result normal? YES (Present error)>>Replace the ABS actuator and electric unit (control unit). Refer to the following.
• Models with ABS: BRC-66, "Exploded View" • Models with TCS: BRC-137, "Exploded View" • Models with VDC: BRC-239, "Exploded View" YES (Past error)>>Error was detected in the ABS actuator and electric unit (control unit) branch line.
NO >> Repair the power supply and the ground circuit.
M&A 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 terminals and connectors ...TCM 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:
Warning signals
To help prevent the vehicle from moving unexpectedly
by erroneous operation of the Intelligent
Key or to help prevent the vehicle from being
stolen, a chime or buzzer sounds from inside and
outside the vehicle and a warning is displayed in
the instrument panel.
When a chime or beep sounds or ...
Precautions when starting and driving
WARNING
● Do not leave children or adults who
would normally require the assistance
of others alone in your vehicle. Pets
should also not be left alone. They
could accidentally injure themselves or
others through inadvertent operation of
the vehicle. Also, on hot, sunny days,
temperatu ...
B2614 ACC relay circuit
Description
BCM controls the various electrical components and simultaneously supplies
power according to the power
supply position.
BCM checks the power supply position internally.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1. PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ...