Nissan Altima (L32) 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:
Spark plug
Removal and Installation
1. Ignition coil
2. Spark plug
3. Rocker cover
REMOVAL
1. Remove the ignition coil. Refer to EM-35, "Removal and Installation".
2. Remove the spark plug with a suitable spark plug wrench.
INSPECTION AFTER REMOVAL
• Do not use a wir ...
B2607 steering lock relay
Description
BCM requests to IPDM E/R to supply power to electronic steering column lock.
IPDM E/R sends status of
electronic steering column lock back to BCM.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B2607 is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U100 ...
S connector circuit
Description
The starter motor magnetic switch is supplied with power when the ignition
switch is turned to the START position
while the selector lever is in the P or N position (CVT models) or the clutch
pedal is fully depressed (M/T
models).
Diagnosis Procedure
CAUTION:
Perform diagnosis ...
