DDR TEST -726280369

TM 9-2320-364-20-1

Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical

circuits, a direct short may result. Damage to equipment, injury or death to personnel may occur.

Allow engine to cool before performing troubleshooting maintenance. If necessary use insulated pads

and gloves. Hot engine components will burn and cause personnel injury.

Use jumperwire only between terminals indicated. Failure to comply may result in damage to DDEC

components or wiring.

DDR TEST

(1) Disconnect OPS harness connector.

(2) Place jumperwire between terminals B

and C at OPS harness connector.

(3) Turn ON ENGINE switch

(TM 9-2320-364-10).

(4) Select MODE 01 (ACTIVE CODES)

on DDR.

(5) Is Code 35 or any other codes

displayed on DDR.

(a) If Code 36 or any other code

is displayed on DDR, turn OFF

ENGINE switch, remove

jumperwire and go to Step 4

of this Fault.

(b) If Code 35 or any other code

except Code 36 is displayed on

DDR, turn OFF ENGINE switch,

remove jumperwire and go to

Step 3 of this Fault.