9-307
90_ABS
EAS20670
90_ABS
EAS33300
TROUBLESHOOTING
Item
CAN communication (between ECU and hydraulic unit assembly)
Procedure
1. Defective coupler between the ECU and the hydraulic unit assembly
• Check the coupler for any pins that may be pulled out.
• Check the locking condition of the coupler.
Turn the main switch to “OFF” before disconnecting or connecting a coupler.
2. 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
Is check result OK?
YES
→ Go to step 2.
NO
→ If there is a malfunction, repair it and connect the coupler securely.
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
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