TRANSMISSION TROUBLESHOOTING - TM-9-2320-303-24-10173

TM 9-2320-303-24-1

TRANSMISSION TROUBLESHOOTING

0021 00

THIS WORK PACKAGE COVERS

Transmission, Transfer Case, and Driveline Systems Troubleshooting Procedures, WTEC III Electronic Controls Trouble-

shooting Manual

INITIAL SETUP

Tools and Special Tools

Tools and Special Tools - Continued

PC Card, transmission (Item 66, WP 0313 00)

MSD/ICE (Item 58, WP 0313 00)

Tester, Pro-link, diagnostic reader (Item 99, WP

0313 00)

SPORT/ICE (Item 92, WP 0313 00)

NOTE

In addition to the transmission troubleshooting located in Table 1 below, the Allison Transmission Trouble-

shooting Manual is duplicated in its entirety and is located beginning on page 0021 00-7. An index of trou-

bleshooting diagnostic codes is on page 0021 00-36.

Table 1. Transmission Troubleshooting Procedures

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

TRANSMISSION

Shift Selector Display Is Blank.

1. Check if VIM fuse is blown.

Replace VIM fuse (WP 0072 00).

2. Check for damaged or loose Tighten or repair battery

battery connections.

connections (WP 0095 00).

3. Check for blown fuse or fusible Replace battery fuse or fusible

link at battery.

link (WP 0073 00).

Vehicle Does Not Start (Engine Does Not 1. Check that shift selector is in N Press N (Neutral) on shift selector

Crank).

(Neutral).

and restart vehicle (TM 9-2320-

303-10).

2. Check for dead battery.

Recharge battery as necessary TM

9-6140-200-14).

3. Check for damaged or loose Tighten or repair battery

battery connections.

connections (WP 0095 00).

4. Faulty starter circuit.

Repair vehicle starter circuit (WP

0010 00).

5. Faulty neutral start relay.

Replace neutral start relay (WP

0072 00).

6. Faulty wiring in neutral start Repair wiring (WP 0098 00).

circuit.

0021 00-1