Precautions for Trouble Diagnosis
Caution:
Follow the instructions listed below. Failure to do this may cause damage to parts:
Precautions for Harness Repair
Note:
A fray of twisted lines must be within 110 mm (4.33 In).

Note:
Bypass connection may cause can communication error. The spliced wire becomes separated and the characteristics of twisted line are lost.

How to use this manual
System descriptionPower supply and ground circuit
Diagnosis Procedure
1.CHECK FUSE
Check that the following fuse is not fusing.
Is the fuse fusing?
YES >> Replace the fuse after repairing the applicable circuit.
NO >> GO TO 2.
2.CHECK GROUND CONNECTION
Turn ignition switch OFF
Check ground connection E9 and E15. Refer ...
NISSAN vehicle immobilizer system
The NISSAN Vehicle Immobilizer system will not
allow the engine to start without the use of the
registered key.
If the engine fails to start using a registered key
(for example, when interference is caused by
another registered key, an automated toll road
device or automatic payment device o ...
P0171 Fuel injection system function
DTC Logic
DTC DETECTION LOGIC
With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture
ratio can be brought closely to the
theoretical mixture ratio based on the mixture ratio feedback signal from the
A/F sensors 1. The ECM calculates
the necessary compensation to correct th ...