Nissan Sentra Service Manual: How to Follow Test Groups in Trouble Diagnosis
- Test group number and test group title
- Test group number and test group title are shown in the upper portion of each test group.
- Work and diagnosis procedure
- Start to diagnose a problem using procedures indicated in enclosed test groups.
- Questions and results
- Questions and required results are indicated in test group.
- Action
- Next action for each test group is indicated based on result of each question.
Description
NOTICE:
Trouble diagnoses indicate work procedures required to diagnose problems
effectively. Observe the following
instructions before diagnosing.
Before performing trouble diagnoses, read th ...
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Cooling fan control
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
ECM controls cooling fan speed corresponding to vehicle speed, engine coolant
temperature, refrigerant pressure,
air conditioner ON signal. Then control system has 3-step control
[HIGH/LOW/OFF].
Cooling Fan Operation
Cooling Fan Relay Operation
Whe ...
Handling precautions for plastics
Precautions for plastics
When repairing and painting a portion of the body adjacent to plastic
parts, consider their characteristics
(influence of heat and solvent) and remove them if necessary or take
suitable measures to protect them.
Plastic parts should be repaired and painted ...
Periodic maintenance
ENGINE COOLANT
System Inspection
WARNING:
Do not remove the radiator cap when the engine is hot. Serious
burns could occur from high pressure
engine coolant escaping from the radiator.
Wrap a thick cloth around the cap. Slowly push down and turn it
a quarter turn to allow built-up pr ...
