Royal Enfield HIMALAYAN EURO IV 2017, Service Manual

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ROYAL ENFIELD HIMALAYAN EURO IV VEHICLE SERVICE MANUAL
SECTION 20.2 - EMS TROUBLE SHOOTING
ECU Check for P codes/blink pattern as mentioned in previous slide
for ECU internal error or any other internal issues.
Fuel Injector, * Check for Connector loose fitment, terminal back out or wire
cut etc.
Roll Over Sensor * Check for supply voltage, battery voltage etc.
Vehicle not starting Ignition Coil * Check for Connector loose fitment, terminal back out or wire
cut etc.
* Check for supply voltage, battery voltage etc.
* Check for harness continuity.
* Check for suppressor cap loose connection
* Check for sparkplug contamination
Crank Position Sensor * Check for Connector loose fitment, terminal back out or wire
cut etc.
* Check for crank shaft position sensor resistance.
Flywheel Magneto Assy * Check for stator short circuit.
* Check for connector loose fitment.
DTC History not ECU Clear DTC using only scan tool, do not re-set ECU by test pin
able to clear method
Fuel pump ECU ECU internal short, replace ECU
Continuous ON
Fuel Pump Fuel Pump Check for Connector loose fitment, terminal back out or wire
Not working cut etc.
Check for supply voltage, battery voltage etc.
Fuel pressure loss/ Fuel Pump Check for leakage near connectors
no fuel supply Check for clogged filter
Fuel pump short Pulse Fuel Pump Fuel pump Primes for 2 Sec, If priming cycle is less than 2 sec
check for Ignition coil Connector.
Fuel dripping through Fuel Pump Check for Pressure Lock in tank, if pressure lock is not there
Pump Nipple replace the pump
If Pressure Lock is there check for Tank Cap and EVAP Purge
valve.
ISSUE DESCRIPTION EMS COMPONENT CHECK POINTS