Troubleshooting - Yamaha UMAX Service Manual

TROUBLESHOOTING (YUM1A/YUM2A) .......................................................9-1
GENERAL INFORMATION ....................................................................... 9-1
STARTING FAILURES..............................................................................9-1
POOR MEDIUM-AND-HIGH-SPEED PERFORMANCE ........................... 9-1
FAULTY GEAR SHIFTING........................................................................ 9-1
SHIFT LEVER DOES NOT MOVE ............................................................ 9-2
FAULTY DRIVE TRAIN PERFORMANCE ................................................ 9-2
OVERHEATING ........................................................................................9-2
POOR BRAKING PERFORMANCE.......................................................... 9-2
FAULTY SHOCK ABSORBER ASSEMBLY..............................................9-2
UNSTABLE HANDLING ............................................................................9-2
FAULTY LIGHTING SYSTEM ...................................................................9-3
DIAGNOSTIC/ERROR CODE IDENTIFICATION CHART
(YUM1A/YUM2A)............................................................................................ 9-4
TROUBLESHOOTING (YUM2E)..................................................................... 9-6
GENERAL INFORMATION ....................................................................... 9-6
POOR PERFORMANCE ...........................................................................9-6
POOR BRAKING PERFORMANCE.......................................................... 9-6
FAULTY SHOCK ABSORBER ASSEMBLY..............................................9-6
UNSTABLE HANDLING ............................................................................9-6
FAULTY LIGHTING SYSTEM ...................................................................9-6
RESETTING MOTOR CONTROL UNIT (MCU) (YUM2E) ........................9-6
MCU MAIN HARNESS COUPLER (YUM2E)............................................9-7
PC GENIUS DIAGNOSTIC SYSTEM (YUM2E) ..............................................9-8
INTRODUCTION .......................................................................................9-8
PC GENIUS DIAGNOSTIC TOOL............................................................. 9-8
CONNECTING THE PC GENIUS ............................................................. 9-8
DIAGNOSTIC MODE ................................................................................ 9-8
TROUBLESHOOTING USING PC GENIUS ...........................................9-11
Fault code table ....................................................................................... 9-24
PC GENIUS GOLF CAR PROGRAMMING SYSTEM (YUM2E)................... 9-26
GOLF CAR PROGRAMMING MODE .....................................................9-26

TROUBLESHOOTING

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