Kawasaki Ninja Service Manual: Oxygen Sensor Heater Power Source Voltage Inspection

Kawasaki Ninja Service Manual / Self-Diagnosis System / Oxygen Sensor Heater (Service Code 67, Equipped Models) / Oxygen Sensor Heater Power Source Voltage Inspection

NOTE

Be sure the battery is fully charged.

Oxygen Sensor Heater Power Source Voltage Inspection


Special Tool - Measuring Adapter: 57001-1700

Oxygen Sensor Heater Power Source Voltage Connections to Adapter: Digital Meter (+) → R (main harness W/R) lead Digital Meter (–) → Frame Ground terminal

Oxygen Sensor Heater Power Source Voltage Inspection


Power Source Voltage Standard: Battery Voltage

If the reading is in specification, but the problem still exists, replace the ECU (see ECU Removal/Installation in the Fuel System (DFI) chapter).

If the reading is out of the standard, check the following.

ECU Relay Fuse 15 A (see Fuse Inspection in the Electrical System chapter) Power Source Wiring (see Oxygen Sensor Circuit)

If the fuse and wiring are good, remove the ECU and check the wiring for continuity between harness connectors.

Special Tool - Hand Tester: 57001-1394

Disconnect the ECU and sensor connectors.

Oxygen Sensor Heater Power Source Voltage Inspection


Wiring Continuity Inspection ECU Connector [A] ←→ Oxygen Sensor Connectors [B] R lead (ECU terminal 76) [C]

If the wiring is good, check the ECU for its ground and power supply (see ECU Power Supply Inspection in the Fuel System (DFI) chapter).

If the ground and power supply are good, replace the ECU (see ECU Removal/Installation in the Fuel System (DFI) chapter).

Oxygen Sensor Circuit

Oxygen Sensor Circuit


1. ECU

2. Oxygen Sensor

3. Ignition Switch

4. Joint Connector F

5. Joint Connector A

6. Fuse Box 1

7. Ignition Fuse 15 A

8. Relay Box

9. ECU Main Relay

10. Frame Ground 3

11. Starter Relay

12. ECU Fuse 15 A

13. Main Fuse 30 A

14. Battery

15. Engine Ground

Oxygen Sensor Heater Resistance Inspection
Turn the ignition switch to OFF. Remove the fuel tank (see Fuel Tank Removal in the Fuel System (DFI) chapter). Disconnect the oxygen sensor lead connector [A]. Connect a digital me ...

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Other materials:

Switch Inspection
Using a hand tester, check to see that only the connections shown in the table have continuity. Special Tool - Hand Tester: 57001-1394 For the switch housings and the ignition switch, refer to the tables in the Wiring Diagram. If the switch has an open or short, repair it or replace it w ...

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Rinse your bike with cold water from a garden hose to remove any loose dirt. Mix a mild neutral detergent (designed for motorcycles or automobiles) and water in a bucket. Use a soft cloth or sponge to wash your motorcycle. If needed, use a mild degreaser to remove any oil or greas ...