ELECTRICAL
673831-Rev A 4-13
4
• Parking brake switch (SW5) in the on position,
switched power detected at MCU (U1) terminal 4-08
• Traction pedal is in the Neutral position, neutral
switch is closed and switched power is detected at
MCU (U1) terminal 4-10
With the mow switch in the off position, the parking brake
switch in the on position and traction pedal in the Neutral
position, power is sent from MCU terminal 2-06 to the
fuel solenoid (SOL12) hold-in coil terminal B and the
engine can start when the key switch is turned to the
Start position.
CAN Diagnostic Circuit (Blue)
With the MCU and LDU energized, a CAN signal is
supplied from MCU terminals 1-09 (High) and 1-08 (Low)
to the following:
• LDU terminals 1-08 (High) and 1-07 (Low)
• Main harness diagnostic connector
• Armrest harness diagnostic connector
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