Yamaha XSR 900 2022 Service Manual page 644

Ground short circuit check "A"
Between intake air pressure sensor 2 coupler
"1" and ground
Lines short circuit check "B"
ECU coupler "3"
Intake air pressure sensor 2 coupler "1"
Joint coupler "2"
A
1
B P L
Is resistance ∞ Ω?
YES
→ Go to step 4.
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 step 4.
4. Installed condition of intake air pressure sensor 2.
• Check for looseness or pinching.
Refer to "THROTTLE BODIES" on page 7-6.
[P1607] blue–ground
[P1606, P1607] pink–ground
[P1607] blue–any other coupler terminal
[P1607] black/blue–any other coupler terminal
[P1606, P1607] pink–any other coupler terminal
[P1607] blue–any other coupler terminal
[P1607] black–any other coupler terminal
[P1606, P1607] pink–any other coupler terminal
[P1607] black/blue–any other coupler terminal
[P1607] black–any other coupler terminal
B
1
B P L
2
L/W W L/W W B
B B/L B B B B B
9-238
P1606, P1607
3
L/B Y/L O/W Lg/L P/W P
L/W B/Y Br/L G/L Gy/G Br/W
L/Y L/W Lg/B G/W
B L/B L/B Y/B Y/B
B/L L/R L/R L/R L/R
V L L Gy
B/L B/L
G/W W/G W/Y