Buzzaround_SG_REVA_040711
6
Component: Power Harness (PH)
Location: Rear section of scooter.
Connections: PH1 – PH13
Function: Provides connectivity between batteries and controller, inhibit and controller, motor and controller, and motor
brake and controller.
Failure Signs: Scooter will not run or runs slowly. Brake will not work correctly.
Tests: Test for continuity.
Expected readings: Not open.
Serviceable: Replace as necessary.
Component: Motor (MT)
Location: Rear section of scooter on transaxle.
Function: Drives the scooter.
Connections: MT1
Failure Signs: Scooter runs slowly or not at all.
Tests: Test for internal resistance in motor. Test motor wires for continuity. See Beep Code #8.
Expected readings: Internal resistance is less than 50 ohms but not shorted. (NOTE: Can be as low as 0.2 ohms).
Serviceable: Replace motor.
Component: Motor Brake (MB)
Location: End of motor.
Function: Parking brake for the motor.
Connections: MB1
Failure Signs: Scooter will not move or moves sluggishly. No audible click when the scooter stops.
Tests: Test for open. See Beep Code #5.
Expected readings: Less than 80 ohms but not shorted.
Serviceable: Replace if open.
Component: Intermediate Motor Harness (IMH)
Location: Between motor and power harness.
Function: Provides connection between motor, motor brake, and power harness.
Connections: IM1 – IM5
Failure Signs: Scooter may not run or runs slowly.
Tests: Test for continuity
Expected readings: Not open.
Serviceable: Replace as necessary.
Component: Controller (CN)
Location: Underneath front section.
Function: Monitors the system and beeps when something in the system is out of range. These faults are heard as a fast
series of Beeps, followed by a Beep Code (BEEP CODES 2, 3, and 5-9).
Connections: CN1 – CN7
Failure Signs: Beep Code #9.
Tests: Test for voltage to motor when paddle is pressed.
Expected readings: Voltage varies.
Serviceable: Replace as necessary.
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