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ANTI-LOCK BRAKE SYSTEM (ABS)
CHAS
WARNING
WARNING
BASIC INSTRUCTION FOR TROUBLESHOOTING
Execute the troubleshooting on each malfunction from [A] to [D] in sequence.
Use the sufficiently charged regular batteries only.
[A] Malfunction check by the ABS warning light
[B] Detail check of malfunction
Results by self diagnosis are displayed by the ABS warning light or tester according to the ECU’s opera-
tion.
[C]Supposing the malfunction cause and position
Find the malfunction cause by reasoning the place and situation where it occurred.
[D]ABS system services
Execute the final check after disassembly and assembly.
Perform the troubleshooting [A]
[B]
[C]
[D] in order. Be sure to follow the order since it results
in the wrong diagnosis if the order is differently taken or omitted.
