9-180
P0500, P1500
• Short circuit check
Disconnect the ECU related connectors before checking.
Refer to “PARTS CONNECTED TO THE ECU” on page 9-4.
Ground short circuit check “A”
Lines short circuit check “B”
Is it correct indication?
YES
→ Go to step 21.
NO
→ Go to “Short circuit check”.
Between relay unit coupler “1” and ground
black–ground
sky blue–ground
Relay unit coupler “1”
black–any other coupler terminal
sky blue–any other coupler terminal
ECU coupler “2” black/yellow–any other coupler terminal
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
2
**
2
*
1
W
L/W
R
L/B
LB
Sb/W
Sb
W
Br
L/W
RR
1
W
L/W
R
L/B
LB
Sb/W
Sb
W
Br
L/W
RR
BA
*. MTN890
**. MTN890D
Is resistance ∞ Ω?
YES
→ Go to step 11.
NO
a. Replace the wire harness.
b. Execute the diagnostic mode. (Code 21)
When the transmission is in neutral ON
When the transmission is in gear with the clutch lever released OFF
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