Yamaha YZF-R1, Service Manual

Page: 793 / 808

89_ABS
9-296
• Short circuit check
TIP
Disconnect the ABS ECU related connectors before checking.
Refer to “PARTS CONNECTED TO THE ABS ECU” on page 9-4.
Ground short circuit check “A”
Lines short circuit check “B”
Between meter assembly coupler “1” and ground
blue/white–ground
blue/black–ground
Between ABS ECU coupler “3” and ground
blue/white–ground
blue/black–ground
Meter assembly coupler
blue/white–any other coupler terminal
blue/black–any other coupler terminal
Joint coupler “2”
blue/white–any other coupler terminal
blue/black–any other coupler terminal
ABS ECU coupler
blue/white–any other coupler terminal
blue/black–any other coupler terminal
L / W L / W L / W L / W L / W L / W L / B L / B L / B L / B L / B L / B
L / W L / W L / W L / W L / W L / W L / W
L / B L / B L / B L / B L / B L / B L / B
**
*
B / W R / W Br / W Br / B Br / Y L / W Lg L / B G / W Dg Ch W / L W / Y
R / GR / G Sb / W G / L G / Y W G / O Y G G / B W / B W / G
B / W R / W Br / W Br / B Br / Y L / W Lg L / B G / W Dg Ch W / L W / Y
R / GR / G Sb / W G / L G / Y W G / O Y G G / B W / B W / G
R / W
L / W
B
B / W
Gy / B L Y G R / B B L / W
G / O W / L L B W W L / B
R / W
L / W
B
B / W
Gy / B L Y G R / B B L / W
G / O W / L L B W W L / B
B A
1 1
2
3
3
*. Joint coupler for YZF-R1
**. Joint coupler for YZF-R1M
Is resistance
∞ Ω
?
YES
→
Go to step 3.
NO
→
Replace the wire harness.