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:

Power steering oil pump
QR25DE : Exploded View 1. Rear bracket 2. Pump assembly 3. Front bracket Removal and Installation REMOVAL 1. Drain power steering fluid from reservoir tank. 2. Remove undercover using power tool. 3. Loosen drive belt. Refer to EM-16, "Removal and Installation". 4. Remove d ...

P0447 evap canister vent control valve
Description The EVAP canister vent control valve is located on the EVAP canister and is used to seal the canister vent. This solenoid valve responds to signals from the ECM. When the ECM sends an ON signal, the coil in the solenoid valve is energized. A plunger will then move to seal the c ...

Can communication 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 IPDM E/R for damage, bend and loose connection (unit side and connector side). Is the in ...