1
How many pin connectors are there on a J1939 connector (non Volvo or Mac, not 3 pin)?
9 Pg 319
How much electrical voltage value does a DMM output when in diode test mode?
0.6V
How are switches drawn on diagrams?
In their normal non charged state.
When resistance and continuity tests are made on electronic circuit components, the circuit being tested should be:
open or no power in it.
What is the color of most ground wires?
Black
How many Amps does a relay need to work?
0.10 ampere
How are wiring diagrams broken up into?
Subsystems
What can a continuity test determine?
Fuse integrity
Open or shorted conductors
Switch operation
Circuit paths.
What does DG stand for on schematics?
Dark Green
How are the wires with two colors listed?
First color is the basic color and second is a stripe.
What is a terminal?
Metal fastener attached to the end of a wire.
What does SPST stand for?
Single Pole Single Throw Switch
What color is the 2013 J1939 data connector?
Green
What does SPDT mean?
Single Pole Double Throw
What does NEXIQ work with on the vehicle?
Air brake electronic system
What are the five numbers associated with relays?
85, 86, 87, 87a, 30
What EST is used to read flash codes?
dash diagnostic lights
What kinds of fault codes are there?
Active codes
Inactive (Historic) codes
Pending Codes
Clear codes
Pg 336
What is a connector?
The plastic portion that snaps or connects together.
The output (signal) of a pulse generator rotational speed sensor is measured in:
V-AC.
What components are inserted into terminal sockets to enable testing by DMM probes and minimize physical damage???
terminal dummies
Under customer programing, what are the options in the menu?
Programming history
View programmed parameters
Reprogram parameters
Pg 337
In a typical PC or ECU today, you will find what components?
Motherboard
Processor
Drivers
PG 338
Why are Paper clips, DMM probes, and other inappropriate devices not used when troubleshooting?
They can damage the connector terminals.
Pg 328
What does MIL, CEL, and SEL mean?
Malfunction indicator lamp
Check engine light
Stop engine light
PG 320