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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