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Range Selection 

 
The range is automatically selected by the F-1860. However, should you wish to 
select the range manually, this can be done by pressing the RANGE button. 
 

Range Exit 

 
To exit the manual RANGE function and return to automatic mode, keep the 
RANGE button pressed for 2 seconds. 
 

NOTE: 

  If the range is too high, the readings will be less accurate. 

  If the range is too low, the F-1860 will blink and show OL (Over Limit) 

 

DATA HOLD 

 
The Data Hold feature stores the last reading in the F-1860’s memory. 
 

  Press the DATA HOLD button once to hold the present reading. 

  Press the DATA HOLD button again to exit and resume readings. 

 

Power Reset (PWR RST) 

 
The Power Reset button switches the F-1860 back on when it has automatically 
switched itself off. 
 

Power Off Disable 

 
To disable the automatic power off function, keep the PWR RST button pressed 
while switching on the F-1860. 
 

Temperature (ºC/ºF) 

 
The temperature can be displayed in degrees Celsius (ºC) or in degrees 
Farenheit (ºF). 
 
Press the ºC/ºF button to choose between degrees Celsius (ºC) or degrees 
Farenheit (ºF). 
 

CYL Cylinder 

 
Select the DWELL function, then press the cylinder button to choose between 
the 4, 5, 6 or 8 cylinder scale. 
 

Trigger 

 
Select the Duty Cycle and Pulse Width function, then press the 

±

Trigger button 

to choose between the negative (-) or positive (+) slope. 
 

Содержание F-1860

Страница 1: ...damaged or the cable is exposed Use adequate current clamps when measuring circuits in excess of 10A To avoid electrical shock never touch the test leads tips or circuit while testing Do not make a v...

Страница 2: ...0 V AC DC 10A continuous measurement or 20A for a maximum15 seconds Ohms cannot be measured when voltage is present They can only be measured in a non powered circuit However the F 1860 is protected u...

Страница 3: ...ower Off after 30 minutes of inactivity Automatic Power can be disactivated This feature must be set when the F 1860 is to record data over a period of time in excess of 30 minutes In order to disacti...

Страница 4: ...button Press this button to alternate between AC audible and capacitance functions shown in blue on the front of the F 1860 REL Function Press the REL Function button The F 1860 will display the read...

Страница 5: ...esent reading Press the DATA HOLD button again to exit and resume readings Power Reset PWR RST The Power Reset button switches the F 1860 back on when it has automatically switched itself off Power Of...

Страница 6: ...The tests begin by checking the main source of power and the chassis ground circuit connections Ground circuits are are one of the least understood but potentially most troublesome areas of automotive...

Страница 7: ...r 15 seconds to dissipate battery surface charge IMPORTANT The ignition must be switched OFF in order to avoid damage to the vehicle s computer while connecting or disconnecting battery cables Disconn...

Страница 8: ...negative test lead of the F 1860 to the negative battery terminal Press the MAX MIN button on the F 1860 Parasitic readings should not exceed 100 mA If parasitic readings are in excess of this value...

Страница 9: ...resistance increases beyond acceptable limits if corrosion develops fittings become loose or wires fray Resistance increases every time that something is added to the circuit such as wire switches co...

Страница 10: ...gnition so the engine doesn t start crank the engine for 2 3 seconds A voltage drop in excess of 0 5 V indicates defective ground Clean and inspect the battery cable connections and the ground and tes...

Страница 11: ...positive lead to the positive battery terminal Connect the negative lead to the positive terminal on the starter solenoid Set the Min Max feature on the meter Disable the ignition so the engine doesn...

Страница 12: ...attery Set the rotary switch to voltage Connect the positive lead to the positive battery terminal Connect the negative lead to the positive battery terminal Set the MiniMax teature on the meter Mark...

Страница 13: ...he resistance in the meter leads must be subtracted to get an accurate measurement at the 0 50 2 0 range Short the leads together and press the ZERO Button The meter will automatically subtract the re...

Страница 14: ...stance setting INSERT Black lead in COM terminal Red lead in V RPM terminal Connect the test probes to opposite ends of the sparkplug wire Set the MinIMax feature o the meter Typical measurements are...

Страница 15: ...ction button to select AC Crank engine 10 15 seconds at normal speed measure voltage Resistance Test Voltage output Resistance on a good pickup coil will match AC output voltage Ex 950 s 950mV output...

Страница 16: ...position sensor RPM Barometric sensor Oxigen sensor Actuators Fuel injection Ignition spark advance Air pump Exhaust gas recirculeting valve Canister purge Converter clutch Basic Diagnostics for the C...

Страница 17: ...ow the vehicle service manual diagnostic precedures repairs and specifications Component Testing Component testing with a meter generally requires detailed schematics and specifications that are provi...

Страница 18: ...ate with a single ON to OFF electrical pulse Typical Port Throttle Body injectors TBI operate with an ON to HOLD to OFF electrical pulse This method creates a double electrical spike An oscilloscope i...

Страница 19: ...is no reading at all Disassemble the me er back cover and test the fuses for continuity Meter reading is erratic Printed circuit board contaminated from handling with hands Low battery Open circuit in...

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