ELECTRIC JOYSTICK CONTROL DOES NOT OPERATE - continued

TM 10-3930-673-20-1

33. ELECTRIC JOYSTICK CONTROL DOES NOT OPERATE (CONT).

KNOWN INFO

TEST OPTIONS

Hydraulic system OK.

Continuity test.

Is continuity present on wire

Auto-leveler OK.

STE/ICE-R #91.

50 between connector P3-A

POSSIBLE PROBLEMS

REASON FOR QUESTION

and joystick terminal board

Joystick faulty.

If continuity is not present, wire 50

pin +?

Connector J3 faulty.

or connector P3 is faulty.

Connector P3 faulty.

Connector J1 faulty.

Connector P1 faulty.

Connector J4 faulty.

Connector P4 faulty.

Wire 51 faulty.

Wire 52 faulty.

Wire 53 faulty.

Wire 54 faulty.

Repair wire 50

Wire 55 faulty.

and/or connector

Wire 56 faulty.

P3 (Para 8-48).

Fork leveler mode switch faulty.

Wire 57 faulty.

YES

Wire 58 faulty.

2-490