Curtis PMC Troubleshooting
Page16
Forward (does not run in reverse)
ConnectavoltmeteracrossthePMCKSIterminalandbattery
negative.
Close all interlock switches, turn the Key Switch
ON, and place the F&R Switch in reverse.
• If the voltage is not at battery volts then go to
the Key Switch sequence.
Connect a voltmeteracross the Reverse Solenoid coil
terminals.Refertoyourvehicleswiringdiagramtoidentify
thepositionofthereversesolenoid.
Close all interlock switches, turn the Key Switch ON,
and place the F&R Switch in reverse.
Depress the accelerator pedal fully.
• If the voltage is not at battery volts then go to the F/R
Switch sequence.
Setthetestlightvoltagetothesamevoltageasthebattery
volts.
Connectthetestlightacrossthenormallyopencontactsof
thereversesolenoid.Refertoyourvehicleswiringdiagram
toidentifythepositionofthereversesolenoid.
Close all interlock switches, turn the Key Switch ON,
and place the F&R Switch in reverse.
Depress the accelerator pedal fully.
• If the light comes on then the Reverse solenoid has
failed. Stop trouble shooting here and repair the
problem.Whentherepairiscompleted,completely
retest the vehicle before lowering the drive wheels to
the ground.