DDR TEST -726280273

TM 9-2320-364-20-1

Allow engine to cool before performing trouble-shooting 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.

NOTE

The following steps should only be used

if troubleshooting was started at DDEC II

Troubleshooting (All Conditions) and you were

referred here.

DDR TEST

(1) Connect DDR to DDL connector

MC13.

(2) Remove 22 screws, lockwashers,

washers and cab engine access

panel. Discard lockwashers.

(3) Disconnect oil temperature sensor

(OTS) harness connector.

(4) Place jumperwire between OTS

harness connector, terminals A

and B.

(5) Turn ON ENGINE switch.

(6) Select MODE 01 (ACTIVE CODES)

on DDR.

(a) If code 15 or any other code

does not appear, turn OFF

ENGINE switch and go to Step 4

of this fault.

(b) If code 15 or any other active

code does appear, turn OFF

ENGINE switch and go to Step 2

of this Fault.