ITech IT6512C User Manual page 60

3.21.4 SAEJ1113-11 Waveform protocol
Test 2b
Transient from DC motors acting as generators after ignition switch
Test 4
Starter motor engagement disturbance pulse.
Parameters
V
S
R
i
t
d
t
1
t
r
t
6
Parameters
V (From V )
S B
V (From V ) -2.5 to -6V with IV
a B
R
i
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12V System
10V
≤0.05Ω
0.2 to 2s
1ms±50%
1ms±50%
1ms±50%
12V System
-4V to -7V
I≤IV I -5 to -12V with IV
a S
0Ω to 0.02Ω
Function and Features
OFF
24V System
20V
≤0.05Ω
0.2 to 2s
1ms±50%
1ms±50%
1ms±50%
24V System
-5V to -16V
I≤IV I
a S
0Ω to 0.02Ω
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