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
Test Step 5. Test Transmission
Transmission Does Not Shift
Temperature Sensor Signal and
into Third or Fourth Gear -
Ground Circuits for an Open.
Continued
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. Using a digital multimeter, mea-
Resistance 980 to 4,280 Ohms -
sure resistance between power-
Replace transmission controller (WP
shift connector wiring harness
0168).
connector (WP 0007, Figure 20)
Proceed to Test Step 7.
terminals B2 and K3. Resistance
Resistance Greater Than 4,280
should be 980 to 4,280 ohms.
Ohms - Proceed to step 5.
4. Remove front floor cover plate
(WP 0306).
5. Disconnect powershift wiring har-
ness connector (WP 0007, Figure
146) from transmission (WP 0007,
Figure 147) (WP 0167).
6. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between power-
Proceed to step 7.
shift connector wiring harness
Resistance Greater Than 5.0 Ohms -
connector (WP 0007, Figure 20)
Replace powershift wiring harness (WP
terminal K3 and powershift wiring
0167).
harness connector (WP 0007, Fig-
Proceed to Test Step 7.
ure 146) terminal L. Resistance
should be 5.0 ohms or less.
7. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between power-
Proceed to Test Step 6.
shift connector wiring harness
Resistance Greater Than 5.0 Ohms -
connector (WP 0007, Figure 20)
Replace transmission (WP 0213).
terminal B2 and powershift wiring
Proceed to Test Step 7.
harness connector (WP 0007, Fig-
ure 146) terminal J. Resistance
should be 5.0 ohms or less.
Test Step 6. Test Transmission
Temperature Sensor Signal and
Ground Circuits for a Short.
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).
0055-5