9-86
P0117, P0118
3. Wire harness continuity.
• Disconnect the coolant temperature sensor coupler and ECU coupler.
• Open circuit check
• Short circuit check
Disconnect the ECU related connectors before checking.
Refer to “PARTS CONNECTED TO THE ECU” on page 9-3.
Ground short circuit check “A”
Lines short circuit check “B”
Between coolant temperature sensor coupler
“1” and ECU coupler “2”
[P0117, P0118] green/red–green/red
[P0118] black/blue–black/blue
B/Y
L
Y/G
P
Lg/L
O/WW/G
Y/L
Lg/W
B/L
Br/W
Gy/G
G/L
R/G
Lg/L
W/G
W/Y
G/R
Lg/B
L/W
Lg
B/Y
L
Y/G
P
W/G
Y/L
Lg/W
B/L
Br/W
Gy/G
Lg/L
W/G
W/Y
G/RL/W
Lg
B/L
G/R
2
*
2
**
1
*. XP560D
**. XP560E
Is resistance 0 ?
YES
Go to step “Short circuit check”.
NO
a. Replace the wire harness.
b. Push the ON/start switch, and then check the condition of the DTC using the malfunction mode
of the YDT.
Is it in the “Recovered” condition?
YES
Go to step 7, and complete the service.
NO
Go to step “Short circuit check”.
Between coolant temperature sensor coupler
“1” and ground
[P0117, P0118] green/red–ground
[P0118] black/blue–ground
Coolant temperature sensor coupler “1”
[P0117, P0118] green/red–any other coupler
terminal
[P0118] black/blue–any other coupler terminal
ECU coupler “2”
[P0117, P0118] green/red–any other coupler
terminal
[P0118] black/blue–any other coupler terminal
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