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:

Location of parts
Clutch Lever Left Handlebar Switches Rebound Damping Force Adjuster (Front Fork) Compression damping force adjuster (Front Fork) Meter Instruments Brake Fluid Reservoir (Front) Right Handlebar Switches Front Brake Lever Throttle Grip Ignition Switch/Steering Lock Elect ...

Air Intake Duct Assembly (US, CA and CAL Models)
Install the dampers [A] and seal [B] as shown in the figure. Fit the holder [C] to the air intake ducts [D]. Projections [E] and Holes [F] Grooves [G] and Ribs [H] Tighten: Torque - Air Intake Duct Assembly Screws [I]: 1.5 N·m (0.15 kgf·m, 13 in·lb) Turn the plug [J] so that ...

Connecting Rod Bend Inspection
Remove the connecting rod big end bearing inserts, and reinstall the connecting rod big end cap. Select an arbor [A] of the same diameter as the connecting rod big end, and insert the arbor through the connecting rod big end. Select an arbor of the same diameter as the piston pin and ...