TM 5-2420-231-23-1
0055
Table 1. Transmission Does Not Shift into Third or Fourth Gear - Continued.
055
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Press and hold the M button (Fig-
Transmission Does Not Shift
Front Display Panel Illuminates "SS
ure 2, Item 3) for at least 2 sec-
oc" - Proceed to Test Step 3.
into Third or Fourth Gear -
onds and check transmission
Continued
Front Display Panel Illuminates "SS
controller (Figure 2. Item 2) for
Sc" - Proceed to Test Step 4.
diagnostic faults (WP 0006).
Front Display Panel Illuminates "tS
oc" - Proceed to Test Step 5.
Front Display Panel Illuminates "tS
Sc" - Proceed to Test Step 6.
Figure 2. Front Display Panel and Powershift Lever.
0055
Test Step 3. Test for Open Turbine
Speed Sensor Signal and Ground
Circuits.
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Remove instrument panel front
cover (WP 0174).
3. Remove front floor cover plate
(WP 0306).
4. Disconnect powershift wiring har-
ness connector (WP 0007, Figure
146) from transmission (WP 0007,
Figure 147) (WP 0167).