K-ACT ABS (Equipped Models)
Power Supply Voltage Abnormal (Under-Voltage)
(Service Code 52)
Do the 1st step test.
Disconnect the K-ACT ABS Kawasaki self-diagnosis sys-
tem connector and K-ACT ABS hydraulic unit connector.
Check for continuity between the brown lead terminal of
the main harness side connector [A] and brown/white 
lead terminal of the main harness side [B].
If there is the continuity in the lead, proceed the 2nd step.
If there is not the continuity in the lead, replace or repair
the main harness.
Do the 2nd step test.
Connect the K-ACT ABS hydraulic unit connector.
Check the battery terminal voltage, connect the hand
tester to the brown terminal of K-ACT ABS Kawasaki
self-diagnosis system connector [A] and ground.
Special Tool - Hand Tester: 57001-1394
Turn the ignition switch ON.
Battery Terminal Voltage
9.6 V or more
If the battery terminal voltage is not within the specifica-
tion, proceed the 3rd step.
If the battery terminal voltage correct, proceed the 4th
Do the 3rd step test.
Inspect the following parts.
Battery (see Charging Condition Inspection in the Elec-
trical System chapter)
Ignition Switch (see Switch Inspection in the Electrical
Main Harness (see Wiring Inspection in the Electrical
Main Fuse 30 A (see Fuse Inspection in the Electrical
Do the 4th step test.
Recheck the service code indication; erase the service
code, perform the pre-diagnosis inspection 1 and 2, and
retrieve the service code.
If the K-ACT ABS indicator light (LED) [A] blinks (service
code 52), faulty ECU in the K-ACT ABS hydraulic unit.
Replace the K-ACT ABS hydraulic unit.
If the K-ACT ABS indicator light (LED) does not blink (ser-
vice code 52), K-ACT ABS is normal (service code is not
stored; temporary failure.).