0010
TM 1-1740-221-13&P&P
TRANSMISSION TROUBLESHOOTING - (CONTINUED)
BRANCH 6.
6.
Ohms test transmission shifter assembly (WP 0046) for proper operation.
CONDITION/INDICATION
Did transmission shifter assembly ohms test satisfactory?
DECISION
YES Proceed to Step 7.
NO Replace transmission shifter assembly (SW2) (WP 0046).
BRANCH 7.
7.
Chock wheels. Engine running, hand brake released and service brakes engaged. Place gearshift selector in
REVERSE and D1 and test input voltage to the transmission solenoid valve assemblies (WP 0049).
CONDITION/INDICATION
Is 12 volts input present at the test locations to the solenoid valve assemblies?
DECISION
YES Proceed to Step 8.
NO Replace faulty transmission speed sensor (WP 0047), or ECU (WP 0048) or repair circuit wiring (FO-1).
BRANCH 8.
8.
Ohms test all of the transmission solenoid valve assembly coils (WP 0049).
CONDITION/INDICATION
Did the transmission solenoid valves ohms test satisfactory?
DECISION
YES Proceed to Step 9.
NO Replace defective solenoid valve coils (WP 0049).
BRANCH 9.
9.
Remove transmission solenoid valve assemblies (WP 0049) and inspect for visible damage or obvious
defects (metal particles, other contamination, sticking valves).
CONDITION/INDICATION
Do the solenoid valve assemblies check satisfactory?
DECISION
YES Replace defective transmission assembly (WP 0043).
NO Step 10
MALFUNCTION - BRANCH 10.
MALFUNCTION - Solenoid valve assemblies are not satisfactorily.
00104
