1
Index
Safety Precautions .......................................... 2
Vehicle Service Information
............................
4
Visual Inspection
.............................................
4
Electrical Specifications
...............................
3
5
Warranty
.....................................................
10
6
1. Multimeter Basic Functions
Functions and Display Definitions
.............
5
Setting the Range
.....................................
7
Battery and Fuse Replacement
.................
8
Measuring DC Voltage
..............................
9
Measuring AC Voltage
..............................
9
Measuring Resistance
..............................
10
Measuring DC Current
..............................
10
Testing for Continuity
..............................
1
1
Testing Diodes
........................................
1
2
Measuring Engine RPM
...........................
1
2
Measuring Dwell
.....................................
1
3
2. Automotive Testing with the CP7677
General Testing
......................................
1
4
- Testing Fuses
......................................
1
4
- Testing Switches
..................................
1
4
- Testing Solenoids and Relays
.............
1
5
Starting / Charging System Testing
.......
1
6
- No Load Battery Test
...........................
1
6
- Engine Off Battery Current Draw
.........
1
6
CP7677
AutoTroubleShooter®
OPERATING
INSTRUCTIONS
- Cranking Voltage/Battery Load Test
...
1
7
- Voltage Drops
......................................
1
8
- Charging System Voltage Test
...........
1
9
Ignition System Testing
..........................
20
- Ignition Coil Testing
.............................
20
- Ignition System Wires
..........................
2
2
- Hall Effect Sensors/Switches
..............
2
3
- Magnetic Pick-Up Coils
.......................
2
4
- Reluctance Sensors
............................
2
4
- Ignition Coil Switching Action
..............
2
5
Fuel System Testing
...............................
2
6
- Testing GM C-3 Mixture Control
Solenoid Dwell
....................................
2
6
- Measuring Fuel Injector Resistance
...
2
7
Testing Engine Sensors
..........................
2
8
- Oxygen (O
2
) Type Sensors
.................
2
8
- Temperature Type Sensors
................
30
- Position Type Sensors –
Throttle and EGR Valve Position,
Vane Air Flow
......................................
3
1
- Manifold Absolute Pressure (MAP) and
Barometric Pressure (BARO) Sensors
3
2
- Mass Air Flow (MAF) Sensors
............
3
3
Instrucciones en español .... 36
Instructions en français ....... 71
600
600
10A MAX
MAX 10sec
EACH 15min
FUSED
CAT III 600V
®