TRANSMISSION TROUBLESHOOTING

Maintenance and Parts Manual For MT3 Standard Aircraft Towing System \(SATS\)
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64

0010

TM 1-1740-221-13&P&P

TRANSMISSION TROUBLESHOOTING - (CONTINUED)

BRANCH 2.

Ohms check Transmission Circuit Fuse 9 (WP 0120) (FO-1, Line 17) for continuity.

CONDITION/INDICATION

Does fuse have continuity?

DECISION

YES Proceed to Step 3.

NO Replace defective fuse (WP 0120).

BRANCH 3.

Ohms check transmission/ECU Fuse 5 (WP 0121) (FO-1, Line 12) for continuity.

CONDITION/INDICATION

Does fuse have continuity?

DECISION

YES Proceed to Step 4.

NO Replace defective fuse (WP 0121).

BRANCH 4.

Ohms test the hand brake relay CRHB (WP 0122).

CONDITION/INDICATION

Did the hand brake relay ohms check satisfactory?

DECISION

YES Proceed to Step 5.

NO Replace defective relay CRHB (WP 0122) or repair circuit wiring (FO-1, Line 40).

BRANCH 5.

Check that the transmission shifter indicator light is illuminated.

CONDITION/INDICATION

Is the transmission shifter indicator light illuminated?

DECISION

YES Proceed to Step 6.

NO Replace defective transmission relay CRT (WP 0122) or repair circuit wiring (FO-1, Line 19).

00103

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