Yamaha 2003 FJR1300, Service Manual

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CHAS
• [C-5-8] Malfunction code 33 (ABS motor operation malfunction is detected. [ABS motor
stops and does not rotate.])
Check the following:
1) ABS motor fuse
• Check if the ABS motor fuse beside the battery is blown.
2) Fail-safe relay
• Check if the fail-safe relay operates correctly.
→
[D-2]
3) Wire harness and sub-wire harness (ABS)
• Remove the fail-safe relay and the ABS motor fuse, and then check for continuity between the
red/blue terminal of the sub-wire harness (ABS) and the sub-wire harness (ABS) end (terminal A
shown in the illustration) of the ABS motor fuse terminal beside the battery. (Refer to “CIRCUIT
DIAGRAM”.)
• Check for continuity between the positive battery terminal and the battery end of the ABS motor
fuse terminal (terminal B shown in the above illustration).
• Remove the ECU (ABS) and the fail-safe relay from the sub-wire harness (ABS), and then check
for continuity between the white/black lead terminals and the red/white lead terminals.
• [C-5-9] Malfunction code 34 (ABS motor operation malfunction is detected. [ABS motor
keeps rotating and does not stop.])
Check the following:
1) ABS motor
• Check if the ABS motor coupler located in the right side cover is connected properly.
• Check the ABS motor for continuity.
→
[D-5]
2) Sub-wire harness (ABS)
• Remove the ABS motor coupler and check for continuity between the black terminal of the ABS
motor coupler of the sub-wire harness (ABS) and the negative battery terminal.
• Remove the ECU (ABS) coupler and check for continuity between the red/white terminal of the
ECU (ABS) coupler and the red/white terminal of the ABS motor coupler.
→
[D-1]
• Remove the fail-safe relay and check for continuity between the red/white terminal of the ABS
motor coupler of the sub-wire harness (ABS) and the positive battery terminal.
3) Fail-safe relay
• Check if the fail-safe relay operates correctly.
→
[D-2]
1
Terminal A
2
Terminal B
30
30
1
2
ANTI-LOCK BRAKE SYSTEM (FJR1300A)