DDR TEST -726280293

TM 9-2320-364-20-1

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

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

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.

DDR TEST

(1) Turn ON ENGINE switch

(TM 9-2320-364-10).

(2) Select MODE 07 (TPS COUNTS)

on DDR.

(3) Read throttle counts at idle and at full

throttle (engine not running).

(a) If throttle count is not 20 to 30 at

idle and 200 to 235 at full

throttle, turn OFF ENGINE switch

and replace TPS (Para 7-58).

(b) If throttle count is 20 to 30 at

idle and 200 to 235 at full

throttle, turn OFF ENGINE switch

and go to Step 5 of this Fault.

VISUAL INSPECTION

(1) Disconnect TPS connector MC6.

(2) Inspect TPS connectors (sensor side

and harness side) for damage; bent,

corroded and unseated pins or

terminals.

(a) If connectors are damaged, repair

connectors (Para 7-101).

(b) If connectors are free of damage,

replace TPS (Para 7-58).