Nissan Altima 2007-2012 Service Manual: Cooling system

Cooling Circuit

1. Thermostat

1. Thermostat

2. Water control valve

3. Water control valve housing (Water outlet)

4. Cylinder block (Thermostat housing)

5. Water inlet

6. Radiator

7. Water pump

8. Cylinder block

9. Cylinder head

A. Open

B. Closed

C. To electric throttle control

D. To oil cooler

E. To heater

F. From heater

G. From electric throttle control

H. From oil cooler


1. Radiator

1. Radiator

2. Water inlet

3. Reservoir tank

4. Thermostat

5. Thermostat housing

6. Water pump

7. Cylinder head

8. Cylinder block

9. Water control valve

10. Water control valve housing

11. Heater

12. Oil cooler

13. Electric throttle control

A. Open

B. Closed

    Overheating cause analysis
    Troubleshooting Chart ...

    Other materials:

    P2135 TP sensor
    Description Electric throttle control actuator consists of throttle control motor, throttle position sensor, etc. The throttle position sensor responds to the throttle valve movement. The throttle position sensor has two sensors. These sensors are a kind of potentiometers which transform the ...

    Does not operate by key cylinder switch
    Diagnosis Procedure 1. PERFORM INITIALIZATION PROCEDURE Perform initialization procedure. Refer to PWC-190, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement". Is the inspection result normal? YES >> GO TO 2 NO >> Repair or replace the ma ...

    Power supply and ground circuit
    Diagnosis Procedure 1.CHECK GROUND CONNECTION 1. Turn ignition switch OFF. 2. Check ground connection E9. Refer to Ground Inspection in GI-45, "Circuit Inspection". Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace ground connection. 2.CHE ...