9-299
57_ABS
Ground short circuit check “A”
Lines short circuit check “B”
2. Defective battery
• Recharge or replace the battery, and check again.
Refer to “CHECKING AND CHARGING THE BATTERY” on page 8-56.
3. Defective coupler between the battery and the hydraulic unit assembly
• Check the coupler for any pins that may be pulled out.
• Check the locking condition of the coupler.
Between ECU coupler “1” and ground
blue/white–ground
blue/black–ground
Between ABS ECU coupler “5” and ground
blue/white–ground
blue/black–ground
ECU coupler “1”
blue/white–any other coupler terminal
blue/black–any other coupler terminal
Joint coupler “2”
yellow/black–any other coupler terminal
white–any other coupler terminal
ABS ECU coupler “5”
blue/white–any other coupler terminal
blue/black–any other coupler terminal
R
L/W
B
B/W
W/G
GYL
R/B
Br
L/W
G/O W/Y
LBWY
L/B
BA
Gy
LLVP
P/WLg/LO/WY/LL/B
B/LB/LBr/WGy/GG/LBr/LB/YL/W
W/YW/GG/WG/WLg/BL/WL/Y
R
L/W
B
B/W
W/G
GYL
R/B
Br
L/W
G/O W/Y
LBWY
L/B
Gy
LLVP
P/WLg/LO/WY/LL/B
B/LB/LBr/WGy/GG/LBr/LB/YL/W
W/YW/GG/WG/WLg/BL/WL/Y
Gy
LLVP
P/WLg/LY/LL/B
B/LB/LBr/WGy/GG/LB/YL/W
W/YW/GG/WG/WL/WL/Y
Gy
LLVP
P/WLg/LY/LL/B
B/LB/LBr/WGy/GG/LB/YL/W
W/YW/GG/WG/WL/WL/Y
L/W
WW
L/W
BB
L/B L/B Y/B Y/B
L/R L/R L/RL/RB/L
B
B/L
BBBBB
1
*
1
*
1
**
1
**
5
5
2
*. MTN890
**. MTN890D
Is resistance ∞ Ω?
YES
→ Go to step 2.
NO
→ Replace the wire harness.
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