Kawasaki Ninja Service Manual: ECU Communication Error (Service Code 39)

Kawasaki Ninja Service Manual / Self-Diagnosis System / ECU Communication Error (Service Code 39)

ECU Communication Line Inspection

When the data is not sent from the ECU to the meter unit for more than about 10 seconds, the service code 39 is displayed.

The data is sent through the CAN communication line.

The service code 39 is detected with the meter unit.

When the user mode, this communication error blinks the following items besides the FI warning symbol [A].

Power Mode and S-KTRC Symbols [B] Yellow Color LED [C]

ECU Communication Line Inspection


If the CAN communication line resistance is normal, check the wiring according following procedure.

Disconnect the ECU and meter unit connectors.

Special Tool - Hand Tester: 57001-1394

Wiring Inspection ECU Connector [A] ←→ Meter Unit Connector [B] GY/BL lead (ECU terminal 27) [C] LB lead (ECU terminal 28) [D]

ECU Communication Line Inspection


ECU Communication Line Circuit

ECU Communication Line Circuit


1. ECU

2. Joint Connector D

3. Joint Connector C

4. Meter Unit

5. Warning Indicator Light (LED, Yellow)

6. Warning Indicator Light (LED, Red)

Blank Key Detection (Service Code 36, Equipped Models)
Ignition Key Inspection Register the ignition key correctly (see Key Registration in the Electrical System chapter). If the service code 36 appears again, the transponder in the key is malfu ...

Fuel Pump Relay (Service Code 46)
...

Other materials:

Meter Unit Circuit (ZX1000K Model)
1. Ignition Switch 2. Joint Connector F 3. Stop Watch Button 4. Oil Pressure Switch 5. Crankshaft Sensor 6. Water Temperature Sensor 7. Gear Position Switch 8. Intake Air Temperature Sensor 9. ESD ECU (ZX1000JD/KD) 10. ECU 11. Rear Wheel Rotation Sensor 12. Frame Ground 1 13. Engine ...

Brake Disc Warp Inspection
Raise the wheel off the ground with the jack. Special Tools - Jack: 57001-1238 Jack Attachment: 57001-1608 For front disc inspection, turn the handlebar fully to one side. Set up a dial gauge against the disc [A] as shown in the figure and measure disc runout, while turning [B] the ...

Starter Clutch Assembly
Install the one-way clutch [A] to the driven gear. Face the circlip side of the one-way clutch to inside. Install the new snap ring [B] to the one-way clutch. Install the drive gear [C] while turn it counterclockwise [D]. Apply molybdenum disulfide oil solution to the needle bearing ...