Zontes ZT125T-D Maintenance Manual page 7

Bolts and nuts for body and engine installation ....................................................................................................................... 82
1. Check the fasteners for the critical parts ...................................................................................................................... 82
2. Check engine fasteners ................................................................................................................................................. 82
D350 .......................................................................................................................................................................... 82
D125 .......................................................................................................................................................................... 83
Side bracket .............................................................................................................................................................................. 83
1. Check ............................................................................................................................................................................. 83
2. Lubrication .................................................................................................................................................................... 84
Main bracket ............................................................................................................................................................................. 84
1. Check ............................................................................................................................................................................. 84
2. Lubrication .................................................................................................................................................................... 85
3. Install the main bracket ................................................................................................................................................ 85
4. Replace the return spring post of the main support ..................................................................................................... 85
Sound, light, and electrical device Inspection ........................................................................................................................... 86
1. Check ............................................................................................................................................................................. 86
2. Headlight height adjustment ........................................................................................................................................ 87
3.Fuse box ......................................................................................................................................................................... 88
4. Troubleshooting ............................................................................................................................................................ 89
4.1 Right hand switch ................................................................................................................................................ 89
4.2 Right hand handle vice switch ............................................................................................................................. 89
4.3Left hand handle auxiliary switch......................................................................................................................... 90
4.4 Horn .................................................................................................................................................................... 90
4.5 Left hand switch .................................................................................................................................................. 91
4.6 Light ..................................................................................................................................................................... 92
4.7 Windshield failure ............................................................................................................................................... 92
3. EFI system ..................................................................................................................................................................................... 93
Know Before Service ................................................................................................................................................................. 93
Error code ................................................................................................................................................................................. 94
1. D350 Read the fault code through the meter ............................................................................................................... 94
2. Read the fault code through the diagnostic tool .......................................................................................................... 94
3. Error code ...................................................................................................................................................................... 95
4. Clear fault code ............................................................................................................................................................. 95
4.1 Manually clear ..................................................................................................................................................... 95
4.2 Use the diagnostic tool to clear .......................................................................................................................... 95
EFI parts layout ......................................................................................................................................................................... 96
Fault diagnosis and elimination of EFI parts ............................................................................................................................. 97
1. Dump switch ................................................................................................................................................................. 97
2. OBD port ....................................................................................................................................................................... 98
3. Fuel pump ..................................................................................................................................................................... 98
4. Carbon canister solenoid valve ..................................................................................................................................... 98
5. EFI relay ......................................................................................................................................................................... 99
6. Fuel injector .................................................................................................................................................................. 99
7. Ignition coils .................................................................................................................................................................. 99
D350 ........................................................................................................................................................................ 100
D125 ........................................................................................................................................................................ 100
8. Throttle valve body ..................................................................................................................................................... 101
8.1 Common failure phenomena ............................................................................................................................ 101
8.2 Disassembly ....................................................................................................................................................... 101
8.3Troubleshooting process .................................................................................................................................... 101
8.4 Sensor ................................................................................................................................................................ 101
D350 sensor .................................................................................................................................................... 101
M125 sensor.................................................................................................................................................... 101
9. Water and oil shared sensor ....................................................................................................................................... 101
10. Oxygen Sensor ........................................................................................................................................................... 102
10.1 Check ............................................................................................................................................................... 102
10.2 Replace ............................................................................................................................................................ 102
D350 ................................................................................................................................................................ 102
D125 ................................................................................................................................................................ 103
11. ECU ............................................................................................................................................................................ 103
D350 ........................................................................................................................................................................ 103
D125 ........................................................................................................................................................................ 104
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