Nissan Altima 2007-2012 Service Manual: Component diagnosis
- Power supply and ground circuit
- Power steering solenoid valve
- Engine speed signal circuit
- Vehicle speed signal circuit
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 ...