Kawasaki Ninja Service Manual: ECU Removal

Kawasaki Ninja Service Manual / Fuel System (DFI) / ECU / ECU Removal

NOTICE

Never drop the ECU especially on a hard surface.

Such a shock to the ECU can damage it.

Remove the upper air cleaner housing (see Air Cleaner Element Replacement in the Periodic Maintenance chapter).
Lift up the ECU [A] with rubber protector [B] to disconnect the connectors [C].

ECU Removal

ECU Installation

Install:

ECU [A] (in Rubber Protector [B])

ECU Connectors

ECU Installation

ECU Identification

Most countries have their own regulations, so each ECU has different characteristic. So, do not confuse ECU with each other and use only the ECU for your model. Otherwise, the motorcycle can ...

ECU Power Supply Inspection

Remove the upper air cleaner housing (see Air Cleaner Element Replacement in the Periodic Maintenance chapter). Visually inspect the ECU connectors. If the connector is clogged with mud or d ...

Other materials:

Air Cleaner
A clogged air cleaner restricts the engine’s air intake, increasing fuel consumption, reducing engine power, and causing spark plug fouling. This motorcycle’s air cleaner element consists of a wet paper filter, which cannot be cleaned. The air cleaner element must be replaced in acco ...

Fuel Injector Audible Inspection
NOTE Be sure the battery is fully charged. The secondary fuel injectors are operating with following conditions. 1. The engine speed is more than 6 000 r/min (rpm). 2. The throttle opening is more than 12°. Remove: Fuel Tank (see Fuel Tank Removal) Primary Fuel Hose (see Fuel ...

Relay Box Removal
Remove the left fuel tank cover (see Fuel Tank Removal in the Fuel System (DFI) chapter). Disconnect the connectors [A]. Pull out the relay box [B] from the rubber protector [C]. NOTE The relay box has relays and diodes. The relays and diodes can not be removed. Relay Box Installa ...