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Instrucciones en español,
páginas 37-72
1
CP7676
Digital Multimeter
OPERATING
INSTRUCTIONS
Ignition System Testing ..............................20
- Ignition Coil Testing ..............................20
- Ignition System Wires ..........................22
- Hall Effect Sensors/Switches ..............23
- Magnetic Pick-Up Coils........................24
- Reluctance Sensors ............................. 24
- Ignition Coil Switching Action ..............25
Fuel System Testing ...................................26
- Testing Mixture Control Solenoid
on Feedback Carburetor ...................... 26
- Measuring Fuel Injector Resistance .... 27
Testing Engine Sensors .............................. 28
- Oxygen (O
2
) Type Sensors .................. 28
- Temperature Type Sensors .................. 30
- Position Type Sensors
Throttle and EGR Valve Position,
Vane Air Flow........................................31
- Manifold Absolute Pressure (MAP) and
Barometric Pressure (BARO) Sensors .. 32
- Mass Air Flow (MAF) Sensors .............34
Index
Safety Precautions ............................. 2
Vehicle Service Information ............... 3
Visual Inspection ................................ 3
Electrical Specifications ................... 35
Warranty ........................................... 72
1. Multimeter Basic Functions
Functions and Display Definitions ............ 4
Setting the Range ..................................... 6
Battery Replacement ................................ 7
Measuring AC Voltage .............................. 7
Measuring DC Voltage .............................. 8
Measuring Resistance .............................. 8
Testing for Continuity ................................ 9
Testing Diodes .......................................... 9
Measuring Engine RPM (TACH) ............ 10
Measuring Dwell ...................................... 11
2. Automotive Testing with the CP7676
General Testing .......................................13
- Testing Fuses ....................................... 13
- Testing Switches .................................. 13
- Testing Solenoids and Relays ............. 14
Starting / Charging System Testing............ 15
- No Load Battery Test ........................... 15
- Cranking Voltage/Battery Load Test .... 16
- Voltage Drops .......................................17
- Charging System Voltage Test ............ 18
OFF
8
CYL
4
CYL
5
CYL
6
CYL
2
K
2
0
0
2
0
0
7
5
0
2
0
2
2
0
M
2
M
2
0
0
K
2
0
K
D
C
V
A
C
V
OHMS
®
C
P7676
RPM
X10
7
5
0
V
A
C
2
0
0
V
D
C
COM
V
4
CYL
5
CYL
DWELL
6
CYL
8
CYL
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Shrnutí obsahu

Strany 1 - INSTRUCTIONS

Instrucciones en español,páginas 37-721CP7676Digital MultimeterOPERATINGINSTRUCTIONSIgnition System Testing ...20- Ignition

Strany 2 - SAFETY GUIDELINES

OFF4 CYL5 CYL6 CYL8 CYLOFF2K20020075020220M2M200K20KDC VAC VOHMSRPMX10750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYL10Measuring Engine RPM (TACH)The CP76

Strany 3

2K20020M2M200K20KOHMS750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYLMeasuring DwellDwell measuring was extremely important onbreaker point ignition system

Strany 5

4 CYL5 CYL6 CYL8 CYLOFF2K20020075020220M2M200K20KDC VAC VOHMSRPMX10750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYL2K20020M2M200K20KOHMS750V AC200V DCCOMVD

Strany 6 - Setting the Range

View reading on display: Switch is closed if display reading is lessthan 10Ω. Switch is open if display readingindicates an overrange condition. (se

Strany 7 - Measuring AC Voltage

4 CYL5 CYL6 CYL8 CYL2K20020075020220M2M200K20KDC VAC VOHMSRPMX10750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYLOFF15Starting/Charging System TestingThe st

Strany 8 - Resistance

4 CYL5 CYL6 CYL8 CYL2K20020075020220M2M200K20KDC VAC VOHMSRPMX10750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYLOFF16Cranking Voltage - Battery Load TestTh

Strany 9

1102456 87798962453317Voltage Drops5. Turn multimeter rotary switch to200mV DC range.If multimeter overranges, turn multimeterrotary switch to the 2V

Strany 10 - Measuring Engine RPM (TACH)

4 CYL5 CYL6 CYL8 CYL2K20020075020220M2M200K20KDC VAC VOHMSRPMX10750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYLOFF18Charging System Voltage TestThis test

Strany 12

SAFETY GUIDELINESTO PREVENT ACCIDENTS THAT COULD RESULT IN SERIOUSINJURY AND/OR DAMAGE TO YOUR VEHICLE OR TEST EQUIPMENT,CAREFULLY FOLLOW THESE SAFETY

Strany 13 - Testing Switches

4 CYL5 CYL6 CYL8 CYL2K20020075020220M2M200K20KOHMSRPMX10750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYL4 CYL5 CYL6 CYL8 CYL2K20020075020220M2M200K20KOHMSR

Strany 14 - Relay or Solenoid

2111. Move RED test lead to secondaryignition coil terminal. Refer to vehicle service manual forlocation of secondary ignition coilterminal. Verify

Strany 15 - No Load Battery Test

4 CYL5 CYL6 CYL8 CYL2K20020075020220M2M200K20KOHMSRPMX10750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYL22Ignition System WiresThis test measures the resis

Strany 16

9V4 CYL5 CYL6 CYL8 CYL2K20020075020220M2M200K20KOHMSRPMX10750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYL23Hall Effect Sensors/SwitchesHall Effect sensors

Strany 17 - Voltage Drops

4 CYL5 CYL6 CYL8 CYL2K20020075020220M2M200K20KOHMSRPMX10750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYLMagnetic Pick-Up Coils  Reluctance Sensors24Reluct

Strany 18 - Charging System Voltage Test

4 CYL5 CYL6 CYL8 CYL2K20020075020220M2M200K20KDC VAC VOHMSRPMX10750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYLOFFIgnition Coil Switching Action25This tes

Strany 19

26Testing GM C-3 Mixture Control Solenoid DwellThis solenoid is located in the carburetor. Itspurpose is to maintain an air/fuel ratio of 14.7to 1 in

Strany 20 - Ignition System Testing

4 CYL5 CYL6 CYL8 CYL2K20020075020220M2M200K20KOHMSRPMX10750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYL27Measuring Fuel Injector ResistanceFuel injectors

Strany 21

4 CYL5 CYL6 CYL8 CYL2K20020075020220M2M200K20KOHMSRPMX10750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYL28Testing Engine SensorsIn the early 1980s, comput

Strany 22 - Spark Plug Wire

29 Turn multimeter rotary switch to 200Ωrange. View reading on display. Compare reading to manufacturer'sspecification in vehicle service manu

Strany 23

Vehicle Service Manual  Sources For Service InformationThe following is a list of sources to obtain vehicle service information for your specific veh

Strany 24

4 CYL5 CYL6 CYL8 CYL2K20020075020220M2M200K20KOHMSRPMX10750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYLTemperature Type Sensors30Fig. 28Test Procedure (se

Strany 25

4 CYL5 CYL6 CYL8 CYL2K20020075020220M2M200K20KOHMSRPMX10750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYL31Position Type SensorsPosition sensors are potenti

Strany 26 - Solenoid

CBA4 CYL5 CYL6 CYL8 CYL2K20020075020220M2M200K20KDC VAC VOHMSRPMX10750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYL302520155010VACUUM PUMPOFFEGR Valve Posi

Strany 27 - Injector

333. Disconnect wiring harness and vacuumline from MAP sensor.4. Connect jumper wire between Pin A onwiring harness and sensor.5. Connect another jump

Strany 28 - Testing Engine Sensors

4 CYL5 CYL6 CYL8 CYL2K20020075020220M2M200K20KDC VAC VOHMSRPMX10750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYLFLOWOFF34Mass Air Flow (MAF) SensorsThis se

Strany 29

358. Operate Sensor. Start engine and let idle. Display reading should... increase in voltage from Key OnEngine OFF for DC type MAF sensors. incre

Strany 31 - Position Sensor

FULL ONE (1) YEARWARRANTYSPX Corporation, 15825 IndustrialParkway, Cleveland, Ohio 44135, warrants to theuser that this unit will be free from defects

Strany 32 - Pressure (BARO) Sensors

8 CYL4 CYL5 CYL6 CYLOFF2K20020075020220M2M200K20KDC VAC VOHMS®CP7676RPMX10750V AC200V DCCOMV4 CYL5 CYLDWELL6 CYL8 CYL4Section 1. Multimeter Basic Fun

Strany 33 - Frequency =

5Functions and Display Definitions(Refer to Digital Multimeter illustration on facing page)1. ROTARY SWITCHSwitch is rotated to turn multimeter ON/OFF

Strany 34 - Mass Air Flow (MAF) Sensors

4 CYL5 CYL6 CYL8 CYL2K20020075020220M2M200K20KDC VAC VOHMS®CP7676RPMX10750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYLOFF4 CYL5 CYL6 CYL8 CYL2K20020075020

Strany 35

4 CYL5 CYL6 CYL8 CYL2K20020075020220M2M200K20KDC VAC VOHMS®CP7676RPMX10750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYLOFF4 CYL5 CYL6 CYL8 CYL2K20020075020

Strany 36

2K20020M2M200K20KOHMS750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYL4 CYL5 CYL6 CYL8 CYL2K20020075020220M2M200K20KDC VAC VOHMS®CP7676RPMX10750V AC200V DCC

Strany 37 - DE UN AÑO

2K20020M2M200K20KOHMS750V AC200V DCCOMVDWELL4 CYL5 CYL6 CYL8 CYL95. Connect RED and BLACK test leadsacross component where you want tomeasure resistan

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