DDR TEST -726280303

TM 9-2320-364-20-1

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

components or wiring.

DDR TEST

(1) Disconnect TPS harness connector

MC6.

(2) Place jumperwire between terminals A

and B at TPS harness connector

MC6.

(3) Turn ON ENGINE switch

(TM 9-2320-364-10).

(4) Select MODE 01 (ACTIVE CODES)

on DDR.

(5) Is code 21 or any other codes

displayed on DDR.

(a) If code 21 or any other code is not

present on DDR, go to Step 5

of this Fault.

(b) If code 21 or any other code is

present on DDR, go to Step 3

of this Fault.

NOTE

Ensure throttle control is fully depressed to

the floor when checking full throttle counts.

DDR TEST

(1) Remove jumperwire.

(2) Connect TPS connector.

(3) Select MODE 07 (TPS COUNTS) on

DDR.

(4) 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, replace TPS (Para 7-58).

(b) If throttle count is 20 to 30 at

idle and 200 to 235 at full

throttle, go to Step 4 of this Fault.