VISUAL INSPECTION -726280349

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.

VISUAL INSPECTION

(1) Remove jumperwire.

(2) Check terminals at TBS 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 TBS (Para 7-63).

VOLTAGE TEST

(1) Remove jumperwire.

(2) Set multimeter select switch to

volts dc.

(3) Connect positive (+) multimeter lead

to TBS harness connector, terminal A.

(4) Connect negative (- ) multimeter lead

to TBS harness connector, terminal C.

(5) Turn ON ENGINE switch

(TM 9-2320-364-10).

(a) If there are less than 4 to 6 vdc

present, turn OFF ENGINE switch

go Step 8 of this Fault.

(b) If there are 4 to 6 vdc present, turn

OFF ENGINE switch and go to

Step 5 of this Fault.