test #1 Flashcards
1
Q
On waste spark ignition
A
cylinder on compression take more volts to fire while exhaust takes less
2
Q
If a steel vane is between the magnet and the hall effect chip the signal is?
A
High
3
Q
On ford the ICM sends RPM to the PCM. this system is called
A
profile ignition pickup
4
Q
Sensor that increases in voltage as rpm increases
A
Variable reluctance sensor
5
Q
Bypass Ignition system has…
A
PCM sends ICM 5 volt bypass at 600 rpm
Icm controls primary circuit under starting
PCM controls timing by control of icm
6
Q
To set timing on some distributor type
A
disconnect the 5v bypass or SPOUT lead
7
Q
Ignition coil primary resistance should be
A
tested between coil B+ and B-
8
Q
Primary voltage can reach
A
250v
9
Q
Primary coil resistance is usually
A
less than 3 ohms
10
Q
hall effect creates a
A
Digital DC wave
