Nissan Altima 2007-2012 Service Manual: Component diagnosis

Function diagnosis
EPS SYSTEM System Diagram CONTROL DIAGRAM System Description • The EPS system controls the power steering solenoid valve through the power steering control unit. • The valve driving vol ...

Power supply and ground circuit
Description • EPS system functions by ignition power supply. Diagnosis Procedure 1.CHECK POWER SUPPLY 1. Turn the ignition switch OFF. 2. Disconnect power steering control unit harness conn ...

Other materials:

 Front Brake Pad
Inspection PAD WEAR Check pad thickness from an inspection hole on cylinder body. Check using a scale if necessary. Front Brake Rotor Inspection VISUAL Check surface of disc rotor for uneven wear, cracks, and serious damage. Replace if necessary. RUNOUT 1. Attach the disc rotor to ...

Front fog lamp circuit
Description The IPDM E/R (intelligent power distribution module engine room) controls the front fog lamp relay based on inputs from the BCM over the CAN communication lines. When the front fog lamp relay is energized, power flows from the front fog lamp relay in the IPDM E/R to the front fog ...

BCM 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 BCM for damage, bend and loose connection (unit side and connector side). Is the inspec ...