STEP/SEQUENCE
TM 9-2320-363-20-1
Section 4
TROUBLESHOOTING CHARTS
E.
FLASH CODE:
63
J1587 CODE:
SXXX 3/4 · PWM SHORT TO BATTERY/PWM OPEN CIRCUIT
NOTE -
This chart is only to be used if:
1)
All basic mechanical checks and physical inspections have been performed with no problem found, and
2)
Diagnosis of DDEC-III was started at step Start-1, pg 3-345.41 and you have now been referred here.
63 Determine SAE Codes
57-3
PWM #1
Short to battery.
57-4
PWM #1
Open circuit.
58-3
PWM #2
Short to battery.
58-4
PWM #2
Open circuit.
59-3
PWM #3
Short to battery.
59-4
PWM #3
Open circuit.
60-3
PWM #4
Short to battery.
60-4
PWM #4
Open circuit.
Change 3 3-345.369