Dtc "C24" (P0351), "C25" (P0352), "C26" (P0353) Or "C27" (P0354): Ignition System Malfunction; Dtc "C28" (P1655): Secondary Throttle Valve Actuator (Stva) Malfunction - Suzuki GSX1300BK B-King Service Manual

1A-72 Engine General Information and Diagnosis:

DTC "C24" (P0351), "C25" (P0352), "C26" (P0353) or "C27" (P0354): Ignition System Malfunction

NOTE
Refer to "No Spark or Poor Spark in Section 1H (Page 1H-5)" for details.

DTC "C28" (P1655): Secondary Throttle Valve Actuator (STVA) Malfunction

Detected Condition and Possible Cause
Detected Condition
The operation voltage does not reach the STVA.
ECM does not receive communication signal from the
STVA. STVA can not operate properly.
Wiring Diagram
STVA
B
P
G
W/Bl
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
B/Lg
P/W
W/B
Y/W
ECM coupler (Harness side)
24 25 26 27 28 29 30 31 32 33 34
Possible Cause
• STVA malfunction.
• STVA circuit open or short.
• STVA motor malfunction.
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
B823H11104017
B823H11104018
ECM
19 STVA. 1B
2
STVA. 1A
18 STVA. 2B
1
STVA. 2A
I823H1110129-02
64 65 66 67 68 68 68
I823H1110004-01