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Ecu Inspection (service Code 55); Abs Hydraulic Unit Removal - KAWASAKI Z750 ABS Service Manual

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  • Contents

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Anti-Lock Brake System (Equipped Models)
•
Do the 2nd step test.
○
Connect the ignition switch connector and ABS hydraulic
unit connector.
○
Check the battery terminal voltage, connect the hand
tester to the brown terminal of ignition switch connector
[A] and ground.
Special Tool - Hand Tester: 57001-1394
○
Turn the ignition switch ON.
Battery Terminal Voltage
Standard:
16 V or less
If the battery terminal voltage is not within the specifica-
tion, 3rd step.
If the battery terminal voltage correct, 4th step.
•
Do the 3rd step test.
○
Check the battery condition and regulator/rectifier (see
Charging Condition Inspection, Regulator/Rectifier In-
spection in the Electrical System chapter).
•
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 ABS indicator light (LED) [A] lit, faulty ECU in the
ABS hydraulic unit. Replace the ABS hydraulic unit.
If the ABS indicator light (LED) unlit, ABS system is nor-
mal (service code is not stored; temporary failure.).

ECU Inspection (Service Code 55)

•
Do the 1st 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 ABS indicator light (LED) [A] lit, faulty ECU in the
ABS hydraulic unit. Replace the ABS hydraulic unit.
If the ABS indicator light (LED) unlit, ABS system is nor-
mal (service code is not stored; temporary failure.).

ABS Hydraulic Unit Removal

The ABS hydraulic unit [A] has been adjusted
and set with precision at the factory. Therefore, it
should be handled carefully, never struck sharply,
as with a hammer, or allowed to fall on a hard
surface.
Be careful not to get water or mud on the ABS hy-
draulic unit.
•
Drain the brake fluid from the front and rear brake lines.
○
Drain the brake fluid through the bleed valve by pumping
the brake lever and pedal.
CAUTION
BRAKES 12-55

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Z750

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