Yamaha 2003 FJR1300, Service Manual

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CHAS
• [C-5-13] Malfunction code 52 (Rear wheel does not recover from the locking tendency even
though the signal is continuously transmitted from the ECU (ABS) to release the hydraulic
pressure [when the battery voltage is low].)
Check the following:
1) Rotation of the rear wheel
Refer to “[C-5-11] Malfunction code 42”.
2) Brake master cylinder and brake caliper
Refer to “[C-5-11] Malfunction code 42”.
3) Brake fluid
Refer to “[C-5-11] Malfunction code 42”.
4) Brake hose lines
Refer to “[C-5-11] Malfunction code 42”.
5) Hydraulic unit solenoid coupler terminals
Refer to “[C-5-11] Malfunction code 42”.
6) Hydraulic unit
Refer to “[C-5-11] Malfunction code 42”.
7) Battery voltage
Measure the battery voltage.
ANTI-LOCK BRAKE SYSTEM (FJR1300A)