Nissan Altima (L32) 2007-2012 Service Manual: On-vehicle repair
On-vehicle maintenance
ENGINE COOLANT
System Inspection
• Never remove the radiator cap when the engine is hot. Serious burns
could occur from high pressure
fluid escaping from the radiator.
• Wrap a thick clot ...
Radiator
Removal and Installation
1. Radiator
2. CVT oil cooler hose (if equipped)
3. Radiator hose (upper)
4. Radiator hose (lower)
5. Cooling fan
6. Reservoir tank
7. Reservoir hose
8. Radiator fil ...
Other materials:
P0043, P0044 HO2S3 heater
Description
SYSTEM DESCRIPTION
The ECM performs ON/OFF control of the heated oxygen sensor 3 heater
corresponding to the engine speed,
amount of intake air and engine coolant temperature.
OPERATION
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC C ...
TCM 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 following terminals and connectors for damage, bend and loose
connection (unit side and connector
side).
- TCM
- Harnes ...
Microphone
Diagnosis Procedure
1.CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)
Check voltage between microphone harness connector and ground.
Is proper voltage present?
YES >> GO TO 4
NO >> GO TO 2
2.CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
1. Turn ignition switch OFF.
2. Disconnect mic ...
