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:

Oil Pump Drive Gear Installation
Install is the reverse of removal. Note the following. First, engage the oil pump chain [A] to the gears, and then install the oil pump drive gear [B]. Turn the “OUT” mark [C] to outside. Apply a non-permanent locking agent to the oil pump drive chain guide bolt and the oil pump drive ...

ABS and KIBS Indicator Lights (LED) Inspection
In this model, the ABS indicator light (LED) [A] and KIBS indicator light (LED) [B] go on or blink by the data sent from the KIBS hydraulic unit. Refer to the Meter Unit Inspection in the Electrical System chapter. ABS and KIBS Indicator Lights (LED) Function *: The mode of “Low ...

Clutch
Clutch Operation Inspection Pull the clutch lever just enough to take up the free play [A]. Measure the gap between the lever and the lever holder. If the gap is too wide, the clutch may not release fully. If the gap is too narrow, the clutch may not engage fully. In either case, adjust ...