Dtc "C22" (P01450-H/L): Ap Sensor Circuit Malfunction - Suzuki GSX1300BK B-King Service Manual

1A-58 Engine General Information and Diagnosis:

DTC "C22" (P01450-H/L): AP Sensor Circuit Malfunction

Detected Condition and Possible Cause
Detected Condition
AP sensor voltage is not within the
following range.
0.5 V Sensor voltage < 4.85 V
NOTE
Note that atmospheric pressure
C22
varies depending on weather
conditions as well as altitude.
Take that into consideration
when inspecting voltage.
Sensor voltage is higher than specified
H
value.
P1450
Sensor voltage is lower than specified
L
value.
Wiring Diagram
AP sensor
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
18 19 20 21 22 23 18 18
Troubleshooting
CAUTION
!
When using the multi-circuit tester, do not strongly touch the terminal of the ECM coupler with a
needle pointed tester probe to prevent the terminal damage or terminal bend.
NOTE
After repairing the trouble, clear the DTC using SDS tool. Refer to "Use of SDS Diagnosis Reset
Procedures (Page 1A-14)".
G/Y
B/Br
R
ECM coupler (Harness side)
24 25 26 27 28 29 30 31 32 33 34
Possible Cause
• Clogged vacuum passage with dust.
• AP sensor circuit open or shorted to the ground.
• AP sensor malfunction.
• ECM malfunction.
• AP sensor circuit is open or shorted to VCC or ground
circuit open.
• AP sensor circuit is shorted to the ground or VCC circuit
open.
35 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
52 52 52 53 54 55 56 57 58 59 60 61 62 63
B823H11104031
ECM
26 APS
29 E2
11 VCC
I823H1110045-05
64 65 66 67 68 68 68
I823H1110004-01