Denso unit -7
7-6
Control of relays
*
(Relay) 15A
*
theory
:
use small current to
control big current
*
Usage
:
fuel pump & injector
EMS whole system
headlamp
*
Relay measurement
Ω
Ω
DC
12V
*
use the pocket tester
1.find the control coil
2.fit 12V to the control coil
3.the relay sounds “ka”
4.measure the resistance
<disconnect-->NG connected-->OK>
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