Kawasaki Ninja Service Manual: ECU Power Source Circuit

Kawasaki Ninja Service Manual / Fuel System (DFI) / ECU / ECU Power Source Circuit

ECU Power Source Circuit


1. Ignition Switch

2. Joint Connector E

3. ECU

4. Engine Ground

5. Battery

6. Starter Relay

7. Main Fuse 30 A

8. ECU Fuse 15 A

9. Frame Ground 2

10. Frame Ground 1

11. Fuse Box 1

12. Ignition Fuse 15 A

13. Joint Connector F

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 ...

CAN Communication Line
CAN Communication Line Resistance Inspection In this model, resistors for CAN communication line are built in the ECU [A] and meter unit. Refer to the Meter Unit Inspection in the Electrical Sy ...

Other materials:

Fuel Tank and Cap Inspection
Visually inspect the gasket [A] on the tank cap for any damage. Replace the gasket if it is damaged. Check to see if the water drain pipe [B] and fuel breather pipe [C] in the tank are not clogged. Check the tank cap breather also. If they are clogged, remove the tank and drain it ...

Water Temperature Sensor Resistance Inspection
Refer to the Water Temperature Sensor Inspection in the Electrical System chapter. If the reading is within the standard, but the problem still exists, replace the ECU (see ECU Removal/Installation in the Fuel System (DFI) chapter). Water Temperature Sensor Circuit 1. ECU 2. Water T ...

Spring Preload Adjustment
To adjust the spring preload, turn the spring preload adjuster [A]. The standard adjuster setting is the 6 turns in from the fully counterclockwise position. WARNINGIf both adjusters are not adjusted equally, handling may be impaired and a hazardous condition may result. B ...