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TM9-2320-360-20-3
Section 4
TROUBLESHOOTING CHARTS
E. FLASH CODE:
63
J1587 CODE:
S057 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-Ill was started at step START-1, pg H-25 and you have now been referred here.
STEP/SEQUENCE
63
Determine SAE Codes
l 57-3
l 57-4
PWM #1
Short to battery (ckt 908).
PWM #1
Open circuit (ckt 908).
H-233
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