1
- A failure of the EMS system may depend on theconnections rather than on the components.
Before searching the EMS system for failures,perform the following checks:
2
-Failures to the EMS system may depend on loosenedconnectors. Make sure that all connections are properly
implemented.
Check the connectors being careful of thefollowing: 1 check that terminals are not bent.
check that connectors are properly engaged.
check whether the failure changes if theconnector is slightly vibrated.
3
-Before replacing the EMS controller, check thewhole system carefully.
If the fault is fixed by replacing the EMScontroller, install the original controller again and check whether the
faultoccurs again.
4
-For troubleshooting, use a multimeter with aninternal resistance of more than 10K(ohm)/V.
Improper instruments may damage the EMScontroller.
The instruments to be preferred have adefinition of more than 0.1V and 0.5
Ω
and an accuracy of more than ?2%.
.
1. Power supply
- Battery voltage
- Burnt fuse
- Remote control switches
- Connectors
2. Chassis earth
3. Fuel feeding
- Faulty fuel pump
- Dirty fuel filter
4. Ignition system
- Faulty spark plug
- Faulty coil
- Faulty screened cap
5. Intake circuit
- Dirty air filter
- Dirty by-pass circuit
- Faulty stepper motor
6. Other
- Wrong timing
- Wrong idle carburetion
- Wrong reset of the gas valve position
sensor
PGO BR-500 ENGINE
P.9-5
Troubleshooting