Section 5. Troubleshooting
Toyota Model 7HBW23 Service Manual
Symptom Tables: Travel (Forward/Reverse) System
Green/Red LED on Keypad Not Illuminated When Key Pressed Possible Cause
Action
No power supplied to the ETAC.
Check for open circuit in wires or connectors in tiller arm, F50 open, keyswitch jumper not connected.
Faulty Connectors
Repair and replace faulty connectors (check connector J11 at control handle arm base, connector into ETAC, and connector J5 to motor controller).
F50 Open
Ensure control fuse has not tripped.
Key switch jumper not connected
Connect keyswitch jumper.
Bad LED(s)
Check LED(s) if truck functions normally but LED(s) not lighting correctly.
No Fast Travel Mode. No Fault Codes Possible Cause
Action
Open Arm Angle Switch
Check for correct operation of arm angle switch “A” and correct if necessary, check wiring, power amplifier, and switch adjustment. Arm Angle switch A is open-circuited. See “Arm Angle Switches” on page 5-6.
No Travel Mode. No Fault Codes
5-40
Possible Cause
Action
Open Arm Angle Switch
Check arm angle switch adjustment, wiring, power amplifier. Arm Angle switch A or B is open-circuited. See “Arm Angle Switches” on page 5-6.
Throttle magnet-actuator arm (in control handle) out of adjustment
Check with service display and repair as needed. Bad ETAC. If no other problems are noted but the ETAC does not detect the presence of the magnet, replace the ETAC.
00700-CL340-05, Issued: 2 May 2005