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  Check vehicle battery to make sure it is still good with at least 

8.0 V 

 

•  LED lamps not working 

Make sure the OBD II cable is connected to the DLC securely. to 
check the scan tool. 
 
Verify the ignition key is in the KOER position. 
 
Run the LED Test in the System Setup menu. If the scan tool did not 
pass this test, there is a problem with the LED lamp. Please contact 
JD201 Tech Support or your local selling agent. 
 

3. OBDII Diagnostics 

When more than one vehicle control module is detected by the scan 
tool, you will be prompted to select the module where the data may 
be retrieved. The most often to be selected are the Power train 
Control Module [PCM] and Transmission Control Module [TCM]. 
 
CAUTION: Don’t connect or disconnect any test equipment with 
ignition on or engine running. 
 
1.    Turn the ignition off. 
 
2.    Locate the vehicle's 16-pin Data Link Connector (DLC).   
 

Summary of Contents for FasDiag JD301

Page 1: ...FasDiag JD301 316 User Manual OBDII Car Diagnostic Scanner...

Page 2: ...information about the detected malfunction so that a technician can accurately find and fix the problem Here below follow three pieces of such valuable information Whether the Malfunction Indicator L...

Page 3: ...uter The DLC is usually located 12 inches from the center of the instrument panel dash under or around the driver s side for most vehicles If Data Link Connector is not located under dashboard a label...

Page 4: ...t number of monitors in any vehicle depends on the motor vehicle manufacturer s emissions control strategy Continuous Monitors Some of the vehicle components or systems are continuously tested by the...

Page 5: ...are different too The following monitors are to be used for spark ignition engines only 1 EGR System 2 O2 Sensors 3 Catalyst 4 Evaporative System 5 O2 Sensor Heater 6 Secondary air 7 Heated Catalyst...

Page 6: ...ents and or systems OBD II Definitions Power train Control Module PCM OBD II terminology for the on board computer that controls engine and drive train Malfunction Indicator Light MIL Malfunction Indi...

Page 7: ...stic requests so this first byte is from 1 to 9 The first byte in the response data bytes is this same number plus 64 For example a mode 1 request would have the first data byte 1 and the response wou...

Page 8: ...vehicle s systems The red LED is also used to show that DTCs are present DTCs are shown on the Scan Tool s display In this case the MIL lamp on the vehicle s instrument panel will light steady on LCD...

Page 9: ...racters used to help navigate the scan tool are Identifies the control module number from which data is retrieved Pd Identifies a pending DTC when viewing DTCs Keyboard No solvents such as alcohol are...

Page 10: ...Selects the desired language 2 Configure Monitors Sets the monitors you want to test 3 Unit of measure Sets the unit of measure to English or Metric 4 Key Beep Set Turns on off key press beep 5 Status...

Page 11: ...Setup 1 English is the default language 2 From System Setup screen use the Direction button to select Language and press the OK button 3 Use the Direction button to select the desired language and pr...

Page 12: ...default setting is Beep This function allows you to turn on off the build in speaker for the LEDs in diagnostic testing Different audio tone corresponds to different LED lamp This function is invalua...

Page 13: ...ard Test function verifies if the keys are functioning properly Use the Direction button to select Keyboard Test from the Tool Self test menu and then press the OK button Press any key to start test W...

Page 14: ...to your computer through the USB cable provided From System Setup screen in scan tool use the Direction button to select Update Mode and press the OK button Select the programs to be updated in your c...

Page 15: ...dule is not defective Operating Error If the scan tool freezes then an exception occurs or the vehicle s ECU Engine Control Unit is too slow to respond to requests You need to do the following to rese...

Page 16: ...blem with the LED lamp Please contact JD201 Tech Support or your local selling agent 3 OBDII Diagnostics When more than one vehicle control module is detected by the scan tool you will be prompted to...

Page 17: ...NG ERROR message shows up on the display 3 Verify that the ignition is ON 4 Check if the scan tool s OBD II connector is securely connecte to the vehicle s DLC 5 Verify that the vehicle is OBD2 compli...

Page 18: ...le has detected during the current or last driving cycle but are not considered serious yet Pending Codes will not turn on the malfunction indicator lamp MIL If the fault does not occur within a certa...

Page 19: ...d type of codes Generic or Manufacturer specific Stored or Pending codes will be observed on the upper right hand corner of the display 4 If more than one DTC is found use the Direction button to chec...

Page 20: ...ely As long as there is fault with the vehicle the trouble codes keep on presenting This function is performed with key on engine off KOEO Do not start the engine 1 Use the Direction button to select...

Page 21: ...r more Press the OK button to return to previous men Select Previous Menu from the Read Codes screen and press OK button to return to previous menu Viewing Freeze Frame Data Freeze Frame Data allows t...

Page 22: ...2 compliant vehicles It is an excellent function to use prior to having a vehicle inspected for compliance to a state emissions program CAUTION By clearing trouble codes you also clear the readiness s...

Page 23: ...at vehicle There are two ways to retrieve I M readiness status 1 Retrieve I M Readiness status with One Click I M Readiness Key 2 Retrieve I M Readiness status in typical way Viewing Vehicle Informati...

Page 24: ...To exit OBDII test use Direction button to select Previous Menu from Diagnostic Menu and press OK button 2 A warning message comes up asking your confirmation Press OK button to exit Guarantee The OB...

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