3. Wire harness continuity.
• Disconnect the intake air pressure sensor 2 coupler "1" and ECU coupler "3".
• Remove the joint coupler cap "2".
• Open circuit check
Between ECU coupler "3" and joint coupler "2"
Between ECU coupler "3" and intake air pres-
sure sensor 2 coupler "1"
Between intake air pressure sensor 2 coupler
"1" and joint coupler "2"
Is resistance 0 Ω?
YES
→ Go to "Short circuit check".
NO
a. Replace the wire harness.
b. Turn the main switch to "ON", and then check 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 "Short circuit check".
• Short circuit check
TIP
Disconnect the ECU related connectors before checking.
Refer to "REPLACING THE ECU (Engine Control Unit)" on page 8-41.
3
1
B P L
2
L/W W
L/W
W
B
B L/B L/B Y/B Y/B
B B/L B B B B B
B/L
L/R
L/R L/R L/R
9-237
[P1607] black/blue–black/blue
[P1607] blue–blue
[P1606, P1607] pink–pink
[P1607] black–black
L/B
Y/L
O/W
Lg/L
P/W
P
V
L
L/W
B/Y
Br/L
G/L
Gy/G
Br/W
B/L
L/Y
L/W
Lg/B
G/W
G/W
P1606, P1607
L
Gy
B/L
W/G
W/Y