Dtc "C22" (P1450-H/L): Ap Sensor Circuit Malfunction - Suzuki GSX-R600 Manual

1A-62 Engine General Information and Diagnosis:

DTC "C22" (P1450-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
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 terminal damage.
NOTE
After repairing the trouble, clear the DTC using SDS tool. Refer to "Use of SDS Diagnosis Reset
Procedures (Page 1A-15)".
ECM coupler (Harness side)
1 2 3 4 5 6 7 8 9 10 11 12
13 14 15 16 17 18 19 20 21 22 23 24
25 26 27 28 29 30 31 32 33 34 35 36
• Clogged vacuum passage with dust.
• AP sensor circuit open or shorted to 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 ground or VCC circuit
open.
G/Y
B/Br
R
37 38 39 40 41 42 43 44 45 46 47 48
49 50 51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70 71 72
Possible Cause
ECM
20 APS
35 E2
7 VCC
B837H11104016
I837H1110040-01
I837H1110007-02