Nissan Altima 2007-2012 Service Manual: 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 wire brush for cleaning the spark plugs. Replace as necessary.
• If plug is covered with carbon, a spark plug cleaner may be used.
• Checking and adjusting plug gap is not required between change intervals. If the gap is out of specification, replace the spark plug.
INSTALLATION
Installation is in the reverse order of removal.
Oil filter
Removal and Installation
REMOVAL
1. Remove the oil filter using Tool.
WARNING:
• Be careful not to get burned, the engine and engine oil
may be hot.
CAUTION:
• When removing, prepare ...
Evap vapor lines
Inspection
1. Visually inspect EVAP vapor lines for improper attachment and for cracks,
damage, loose connections,
chafing and deterioration.
2. Inspect fuel tank filler cap vacuum relief valv ...
Other materials:
P0615 start signal
Description
• TCM controls starter relay in IPDM E/R.
• TCM switches starter relay ON at “P” or “N” position and allows to crank
engine.
• Then it prohibits cranking other than at “P” or “N” position.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUT ...
Diagnosis and repair workflow
Repair Work Flow
WORK FLOW
WT-5, "Preliminary Check"
WT-52, "Self-Diagnosis (With CONSULT-III)"
WT-53, "Self-Diagnosis (Without CONSULT-III)"
WT-55, "Symptom Table"
DETAILED FLOW
1.CUSTOMER INFORMATION
Interview the customer to obtain detailed inform ...
P0116 ect sensor
Description
The engine coolant temperature sensor is used to detect the engine
coolant temperature. The sensor modifies a voltage signal from the
ECM. The modified signal returns to the ECM as the engine coolant
temperature input. The sensor uses a thermistor which is sensitive to
the change i ...