9-298
57_ABS
EAS20666
57_ABS
EAS33292
TROUBLESHOOTING
Item
Vehicle CAN communication line or power source of vehicle system
Procedure
1. Wire harness continuity.
• Disconnect the ECU coupler “1” and ABS ECU coupler “5”.
• Remove the joint coupler cap “2”, joint coupler cap “3” and joint coupler cap “4”.
• Open circuit check
• Short circuit check
Disconnect the ECU and ABS ECU related connectors before checking.
Refer to “PARTS CONNECTED TO THE ECU” on page 9-4 and “PARTS CONNECTED TO THE ABS
ECU” on page 9-4.
Between ECM coupler “1” and joint coupler “3” blue/black–blue/black
Between ECM coupler “1” and joint coupler “4” blue/white–blue/white
Between joint coupler “2” and joint coupler “3” yellow/black–yellow/black
Between joint coupler “2” and joint coupler “4” white–white
Between joint coupler “2” and ABS ECU coupler
“5”
blue/black–blue/black
blue/white–blue/white
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
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
L/B L/BY/B
L/W L/WW
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/LY/LL/B
B/LB/LBr/WGy/GG/LB/YL/W
W/YW/GG/WG/WL/WL/Y
1
*
1
**
4
5
3
2
*. MTN890
**. MTN890D
Is resistance 0 Ω?
YES
→ Go to “Short circuit check”
NO
→ Replace the wire harness.
To Next Page
Loading...
