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:

Timing Rotor Installation
Install the timing rotor [A] on the crankshaft [B] with their teeth [C] aligned. Holding the timing rotor with the flywheel & pulley holder and tighten the bolt. Torque - Timing Rotor Bolt: 39 N·m (4.0 kgf·m, 29 ft·lb) Special Tool - Flywheel & Pulley Holder: 57001-1605 I ...

Lap Counter/Coolant/Intake Air Temperature Meter
This meter shows the coolant temperature, the intake air temperature or the lap number. The lap number is displayed in the stop watch mode, refer to the “Stop Watch” item in this section. A. Lap Counter/Coolant / Intake Air Temperature Meter The coolant temperature meter and inta ...

Headlight Beam
NOTE Do not turn the bolts because the reflector in the headlight comes off. A. Bolts The left and right adjusters on the headlight can move the direction of the headlight beam to up, down, left and right by turning each adjuster itself as the below table. A. Left Adjuster ...