Denso unit -7
c: Brake safety switch
e: Starting motor
f: starter relay
Measurement - switch actuation, continuity
> Tools: multimeter
use multimeter measure the probe is connected to the
switch pin .
Measurement line color probe
stalls
Judgment
switch
O (+)
Ω
conduction normal
LB (-)
∞
replace
Check - start the motor actuator is normal
> Tools: 12V battery
Method: directly across the 12V voltage to the motor
Not rotate / rotate too slowly
→
replace
Check - starter relay actuation is normal
> Tools: multimeter (Stalls:
Ω
x1,), 12V battery
Ways: using the battery to the relay coil is energized, the
measurement relay is turned on
Not conducting
→
replace relay
─
+
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