9-159
P2122, P2123, P2127, P2128, P2138
3. Wire harness continuity.
• Disconnect the accelerator position 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”
Is it in the “Recovered” condition?
YES
Go to step 6, and complete the service.
NO
Go to step 3.
Between accelerator position sensor coupler “1”
and ECU coupler “2”
[P2122, P2123, P2127, P2128, P2138]
white–white
[P2123, P2128] black/blue–black/blue
[P2122, P2127] blue–blue
[P2122, P2123, P2127, P2128, P2138] red–red
Is resistance 0 ?
YES
Go to “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 6, and complete the service.
NO
Go to “Short circuit check”.
Between accelerator position sensor coupler “1”
and ground
[P2122, P2123, P2127, P2128, P2138]
white–ground
[P2123, P2128] black/blue–ground
[P2122, P2127] blue–ground
[P2122, P2123, P2127, P2128, P2138]
red–ground
R/W
Y/R
L
Lg
L
WW
R
B/L
B
Lg
B/L
W
B/L
LR
12
To Next Page