Table 3-6. Unit Troubleshooting Table. -- Continued
Test or Inspection
LEFT JOYSTICK INOPERABLE.
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical circuits, a
direct short may result. Damage to equipment and injury or death to personnel may occur.
Disconnect electrical connector HX11 (1) from left joystick (2) (refer to FO-3).
Disconnect electrical connector HJ1 (3) from ECU (4) (refer to FO-3).
Check for 12 Vdc on pin 11 of electrical connector HJ1 (3) (refer to FO-3).
If 12 Vdc is not present, set ignition switch to OFF and replace ECU (4) (Para 12-32).
If 12 Vdc is present, set ignition switch to OFF and proceed to Step 5.