In actual use, different vehicles can use the same diagnostic connector, such as OBD II, but pin of diagnosis signal might be distributed in different pins. In order to be compatible with different pins, output connector DB15 internal connection channel switching matrix of auto diagnostic tool can realize arbitrary switching of 2-way 13 channels through channel switching matrix.

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Nissan X-trail MIL ON

Vehicle model: Nissan X-trail

Year: Nov., 2009

Type of engine: QR25

VIN: TDBNLJWT31EWAADB

Fault phenomenon:

Repair man said that this vehicle (see Figure 1) is an accident car. The engine MIL (Malfunction Indicator Light) is always on after having it repaired, and black smoke is expelled from exhaust pipe.



Fault diagnosis:

The vehicle, electronically controll
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Respectively read engine control system data stream and make comparison in the static (ignition switch in the ON gear, do not start the engine), idle (engine operating under no load condition), high-speed (engine operating at speed of 2000 rpm) and found that cylinder 5 compensation remain unchanged. Therefore, engine can be judged to have slight jitter and loud noise, poor acceleration, exhaust pipe has a small amount of black smoke, which have a great relationship with 5-cylinder, working cond
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Brand: Toyota PRADO
Year model: 2008
Engine type: 2TR
Displacement: 2.7L
VIN：JTEBL29J685136893
Steering angle need to be set after unplug sensor plug, change steering sensor and replace electronic control device. Fcar diagnostic scanner are needed for setting, the method of which as below:
1, First find fault diagnostic plug(diagnostic plug of this vehicle under instrument panel, is standard OBD16 pin plug)
2, OBD；Connect diagnostic socket and OBD according to instruction of diagnosti
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Diagnostic socket is standard OBD-II 16-pin connector
Vehicle model: Shanghai Sunlong bus
Year model: 2010
6HK1E3S Engine type: Isuzu 6HK1E3S
VIN: LFZBJCDJ0AAS00082


Fault phenomenon
Slight shaking and loud noise of engine, acceleration badness, exhaust pipe has little black smoke, MIL not on
Diagnostic socket is standard OBD-II 16pin connector

Fault checking analysis:
Because this vehicle has electronically controlled high pressure common rail systems, it needs some advanced elect
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